HWND

System\Windows\Forms\Accessibility\AccessibleObject.cs (6)

2512/// <inheritdoc cref="IOleWindow.GetWindow(HWND*)"/> 2532HRESULT IOleWindow.Interface.GetWindow(HWND* phwnd) 2554*phwnd = HWND.Null; 2729(HWND)handle, 2757(HWND)handle, 2998HRESULT IRawElementProviderHwndOverride.Interface.GetOverrideProviderForHwnd(HWND hwnd, IRawElementProviderSimple** pRetVal)

System\Windows\Forms\Accessibility\Control.ControlAccessibleObject.cs (7)

22private HWND _handle = HWND.Null; 255_handle = (HWND)value; 268internal HWND HandleInternal => _handle; 472new HandleRef<HWND>(Owner, HandleInternal), 524=> UIAHelper.WindowHandleToVariant(Owner?.InternalHandle ?? HWND.Null), 544PInvoke.UiaHostProviderFromHwnd(new HandleRef<HWND>(this, HandleInternal), out IRawElementProviderSimple* provider);

System\Windows\Forms\Accessibility\LabelEditAccessibleObject.cs (2)

41UIA_PROPERTY_ID.UIA_NativeWindowHandlePropertyId => UIAHelper.WindowHandleToVariant(_labelEdit.TryGetTarget(out var target) ? target.HWND : HWND.Null), 79_labelEdit.TryGetTarget(out var target) ? (int)target.HWND : (int)HWND.Null

System\Windows\Forms\Accessibility\LabelEditNativeWindow.cs (4)

22HWND hwnd, 45var functionPointer = (delegate* unmanaged[Stdcall]<HWINEVENTHOOK, uint, HWND, int, int, uint, uint, void>) 71public bool IsHandleCreated => Handle != HWND.Null; 118private void WinEventProcCallback(HWINEVENTHOOK hWinEventHook, uint eventId, HWND hwnd, int idObject, int idChild, uint idEventThread, uint dwmsEventTime)

System\Windows\Forms\Accessibility\LabelEditUiaTextProvider.cs (4)

25private readonly IHandle<HWND> _owningChildEdit; 228PInvokeCore.MapWindowPoints(_owningChildEdit.Handle, HWND.Null, ref pt); 272if (PInvokeCore.MapWindowPoints(HWND.Null, _owningChildEdit.Handle, ref clientLocation) == 0) 308PInvokeCore.MapWindowPoints(_owningChildEdit.Handle, HWND.Null, ref r);

System\Windows\Forms\ActiveX\AxHost.AxContainer.cs (4)

608HRESULT IOleInPlaceFrame.Interface.GetWindow(HWND* phwnd) 701HRESULT IOleInPlaceFrame.Interface.SetMenu(HMENU hmenuShared, nint holemenu, HWND hwndActiveObject) => HRESULT.E_NOTIMPL; 711HRESULT IOleInPlaceUIWindow.Interface.GetWindow(HWND* phwnd) 729HRESULT IOleWindow.Interface.GetWindow(HWND* phwnd)

System\Windows\Forms\ActiveX\AxHost.AxContainer.ExtenderProxy.cs (2)

263public HWND Hwnd => GetControl()?.HWND ?? HWND.Null;

System\Windows\Forms\ActiveX\AxHost.cs (16)

123private HWND _hwndFocus; 814private HWND GetHandleNoCreate() => IsHandleCreated ? (HWND)Handle : default; 1246HWND handle = HWND; 1757hwnd = (ContainingControl is null) ? HWND.Null : ContainingControl.HWND, 2156parent is null ? HWND.Null : parent.HWND, 2968hWndOwner = (ContainingControl is null) ? HWND.Null : ContainingControl.HWND, 3023HWND handle = ContainingControl is null ? HWND.Null : ContainingControl.HWND; 3104_hwndFocus = (HWND)(nint)m.WParamInternal; 3136HWND hwnd = HWND.Null; 3139Application.ParkHandle(new HandleRef<HWND>(this, hwnd), DpiAwarenessContext); 3204HWND handle = GetHandleNoCreate(); 3210(delegate* unmanaged[Stdcall]<HWND, uint, WPARAM, LPARAM, LRESULT>)wndProc, 3235private void AttachWindow(HWND hwnd)

System\Windows\Forms\ActiveX\AxHost.OleInterfaces.cs (8)

102HWND hwnd, 110HWND hwnd, 305HWND hwnd = HWND.Null; 332HRESULT IOleWindow.Interface.GetWindow(HWND* phwnd) 338HRESULT IOleInPlaceSite.Interface.GetWindow(HWND* phwnd) 345*phwnd = _host.ParentInternal?.HWND ?? HWND.Null; 402lpFrameInfo->hwndFrame = _host.ParentInternal?.HWND ?? HWND.Null;

System\Windows\Forms\ActiveX\Control.ActiveXImpl.cs (11)

270internal HWND HWNDParent { get; private set; } 331/// <inheritdoc cref="IOleObject.DoVerb(int, MSG*, IOleClientSite*, int, HWND, RECT*)"/> 337HWND hwndParent, 356HWND hwnd = lpmsg->hwnd; 360HWND hwndMap = hwnd.IsNull ? hwndParent : hwnd; 746/// <inheritdoc cref="IOleWindow.GetWindow(HWND*)"/> 747internal unsafe HRESULT GetWindow(HWND* phwnd) 756*phwnd = HWND.Null; 760*phwnd = (HWND)_control.Handle; 824HWND hwndParent = default; 1810HWND hWndParent = PInvoke.GetParent(_control);

System\Windows\Forms\ActiveX\Control_ActiveXControlInterfaces.cs (8)

83/// <inheritdoc cref="IOleWindow.GetWindow(HWND*)"/> 84HRESULT IOleInPlaceActiveObject.Interface.GetWindow(HWND* phwnd) 116/// <inheritdoc cref="IOleWindow.GetWindow(HWND*)"/> 117HRESULT IOleInPlaceObject.Interface.GetWindow(HWND* phwnd) => ActiveXInstance.GetWindow(phwnd); 205/// <inheritdoc cref="IOleObject.DoVerb(int, MSG*, IOleClientSite*, int, HWND, RECT*)"/> 211HWND hwndParent, 347/// <inheritdoc cref="IOleWindow.GetWindow(HWND*)"/> 348HRESULT IOleWindow.Interface.GetWindow(HWND* phwnd) => ((IOleInPlaceObject.Interface)this).GetWindow(phwnd);

System\Windows\Forms\Application.ComponentManager.cs (4)

201return PInvokeCore.PeekMessage(&msg, HWND.Null, 0, 0, PEEK_MESSAGE_REMOVE_TYPE.PM_NOREMOVE); 231if (PInvokeCore.PeekMessage(&msg, HWND.Null, 0, 0, PEEK_MESSAGE_REMOVE_TYPE.PM_NOREMOVE)) 239PInvoke.GetMessage(&msg, HWND.Null, 0, 0); 309if (!PInvokeCore.PeekMessage(&msg, HWND.Null, 0, 0, PEEK_MESSAGE_REMOVE_TYPE.PM_NOREMOVE))

System\Windows\Forms\Application.ComponentThreadContext.cs (5)

292if (PInvoke.GetMessage(&msg, HWND.Null, 0, 0)) 309else if (!PInvokeCore.PeekMessage(&msg, HWND.Null, 0, 0, PEEK_MESSAGE_REMOVE_TYPE.PM_NOREMOVE)) 454if (!PInvokeCore.PeekMessage(&temp, HWND.Null, 0, 0, PEEK_MESSAGE_REMOVE_TYPE.PM_NOREMOVE)) 478HWND IMsoComponent.Interface.HwndGetWindow(msocWindow dwWhich, uint dwReserved) => HWND.Null;

System\Windows\Forms\Application.cs (6)

360HWND hwnd = PInvoke.FindWindow(s_systemTrackerWindow, s_systemTrackerWindow); 733private static unsafe BOOL SendThemeChanged(HWND hwnd) 758private static BOOL SendThemeChangedRecursive(HWND handle) 1167internal static unsafe ThreadContext GetContextForHandle<T>(T handle) where T : IHandle<HWND> 1230internal static void ParkHandle(HandleRef<HWND> handle, DPI_AWARENESS_CONTEXT dpiAwarenessContext) 1272internal static void UnparkHandle(IHandle<HWND> handle, DPI_AWARENESS_CONTEXT context)

System\Windows\Forms\Application.LightThreadContext.cs (4)

64if (!PInvokeCore.PeekMessage(&temp, HWND.Null, 0, 0, PEEK_MESSAGE_REMOVE_TYPE.PM_NOREMOVE)) 83if (PInvokeCore.PeekMessage(&msg, HWND.Null, 0, 0, PEEK_MESSAGE_REMOVE_TYPE.PM_NOREMOVE)) 91PInvoke.GetMessage(&msg, HWND.Null, 0, 0); 134if (!PInvokeCore.PeekMessage(&msg, HWND.Null, 0, 0, PEEK_MESSAGE_REMOVE_TYPE.PM_NOREMOVE))

System\Windows\Forms\Application.MarshallingControl.cs (1)

32cp.Parent = HWND.HWND_MESSAGE;

System\Windows\Forms\Application.ModalApplicationContext.cs (2)

30HWND parentHandle = (HWND)PInvokeCore.GetWindowLong(MainForm, WINDOW_LONG_PTR_INDEX.GWL_HWNDPARENT);

System\Windows\Forms\Application.ParkingWindow.cs (5)

38cp.Parent = HWND.HWND_MESSAGE; 92HWND hwndChild = PInvoke.GetWindow(this, GET_WINDOW_CMD.GW_CHILD); 107internal void ParkHandle<T>(T handle) where T : IHandle<HWND> 114PInvoke.SetParent(handle, (IHandle<HWND>)this); 120internal void UnparkHandle<T>(T handle) where T : IHandle<HWND>

System\Windows\Forms\Application.ThreadContext.cs (4)

729HWND hwndOwner = default; 750hwndOwner = (HWND)PInvokeCore.GetWindowLong(CurrentForm, WINDOW_LONG_PTR_INDEX.GWL_HWNDPARENT); 878msg.hwnd = (HWND)message.HWnd; 972HWND hwndRoot = PInvoke.GetAncestor(msg.hwnd, GET_ANCESTOR_FLAGS.GA_ROOT);

System\Windows\Forms\Application.ThreadWindows.cs (7)

15private readonly List<HWND> _windows; 16private HWND _activeHwnd; 17private HWND _focusedHwnd; 23_windows = new List<HWND>(16); 28private BOOL Callback(HWND hwnd) 47foreach (HWND hwnd in _windows) 66foreach (HWND hwnd in _windows)

System\Windows\Forms\ComponentModel\COM2Interop\COM2ComponentEditor.cs (3)

51HWND handle = parent is null ? HWND.Null : (HWND)parent.Handle;

System\Windows\Forms\ComponentModel\COM2Interop\COM2PropertyBuilderUITypeEditor.cs (2)

31HWND parentHandle = PInvoke.GetFocus(); 39parentHandle = (HWND)parent.Handle;

System\Windows\Forms\ComponentModel\COM2Interop\COM2PropertyPageUITypeConverter.cs (2)

28HWND parentHandle = PInvoke.GetFocus(); 79(HWND)parentHandle,

System\Windows\Forms\Control.cs (56)

48IHandle<HWND> 1311HWND focusHwnd = PInvoke.GetFocus(); 2221internal HWND HWNDInternal => _window.HWND; 2261HWND parentHandle = PInvoke.GetParent(this); 2262HWND lastParentHandle = parentHandle; 2332HWND prev; 2333HWND next; 2334HWND start = parent is not null ? parent.HWND : HWND; 2356internal HWND InternalHandle => !IsHandleCreated ? default : (HWND)Handle; 4403HWND.HWND_TOP, 5225HWND hwnd = (HWND)handle; 5244internal static HandleRef<HWND> GetHandleRef(HWND hwnd) => new(FromChildHandle(hwnd), hwnd); 5309HWND hwnd = PInvoke.ChildWindowFromPointEx(this, pt, (CWP_FLAGS)value); 5467for (HWND hWndChild = PInvoke.GetWindow(this, GET_WINDOW_CMD.GW_CHILD); 5469hWndChild = PInvoke.GetWindow(new HandleRef<HWND>(this, hWndChild), GET_WINDOW_CMD.GW_HWNDNEXT)) 5785internal static HandleRef<HWND> GetSafeHandle(IWin32Window window) 5794HWND hwnd = (HWND)window.Handle; 7989PInvokeCore.GetClientRect(new HandleRef<HWND>(_window, InternalHandle), out RECT rect); 8584PInvokeCore.MapWindowPoints((HWND)default, this, ref p); 8593PInvokeCore.MapWindowPoints(this, (HWND)default, ref p); 9245HWND parentHandle = PInvoke.GetParent(this); 9392PInvokeCore.MapWindowPoints(HWND.Null, this, ref rect); 9402PInvokeCore.MapWindowPoints(this, HWND.Null, ref rect); 9442internal virtual void ReleaseUiaProvider(HWND handle) 10054HWND.HWND_BOTTOM, 10195PInvoke.SetWindowPos(this, HWND.Null, x, y, width, height, flags); 10260private void SetParentHandle(HWND value) 10266HWND parentHandle = PInvoke.GetParent(this); 10323if (PInvoke.SetParent(this, HWND.Null).IsNull) 10454HWND.Null, 10515HWND.HWND_TOP, 10525static unsafe void PrepareDarkMode(HWND hwnd, bool darkModeEnabled) 10866PInvokeCore.MapWindowPoints(HWND.Null, PInvoke.GetParent(this), ref rect); 10957HWND hWnd = control.InternalHandle; 10996HWND parentHandle = PInvoke.GetParent(this); 11026HWND previous = HWND.HWND_TOP; 11106HWND.HWND_TOP, 11125internal void WindowAssignHandle(HWND handle, bool value) 11139HWND parentHandle = HWND; 11140HWND lastParentHandle = parentHandle; 11797HWND dialogItem = PInvoke.GetDlgItem(m.HWND, controlId); 11804dialogItem = (HWND)controlId; 11813HWND handle = NativeWindow.GetHandleFromWindowId((short)m.WParamInternal.LOWORD); 11982if ((HWND)m.WParamInternal == InternalHandle && m.LParamInternal.LOWORD == PInvoke.HTCLIENT) 12032HWND hWnd = HWND.Null; 12036hWnd = (HWND)m.LParamInternal; 12952HWND IHandle<HWND>.Handle => HWND; 12954internal HWND HWND => (HWND)Handle;

System\Windows\Forms\Control.Ime.cs (14)

System\Windows\Forms\Controls\Buttons\ButtonInternal\ButtonStandardAdapter.cs (1)

61ScaleHelper.IsScalingRequirementMet ? Control.HWNDInternal : HWND.Null);

System\Windows\Forms\Controls\Buttons\ButtonRenderer.cs (2)

91HWND hwnd) 126DrawButtonForHandle(g, bounds, focused, state, HWND.Null);

System\Windows\Forms\Controls\Buttons\CheckBoxRenderer.cs (5)

74HWND hwnd = default) 110CheckBoxState state) => DrawCheckBox(g, glyphLocation, textBounds, checkBoxText, font, flags, focused, state, HWND.Null); 121HWND hwnd) 232internal static Size GetGlyphSize(IDeviceContext deviceContext, CheckBoxState state, HWND hwnd = default) 243internal static Size GetGlyphSize(HDC hdc, CheckBoxState state, HWND hwnd)

System\Windows\Forms\Controls\Buttons\RadioButtonRenderer.cs (9)

51DrawRadioButton(g, glyphLocation, state, HWND.Null); 57HWND hwnd) 68HWND hwnd) 113DrawRadioButton(g, glyphLocation, textBounds, radioButtonText, font, flags, focused, state, HWND.Null); 125HWND hwnd) 201HWND.Null); 214HWND hwnd) 254return GetGlyphSize(hdc, state, HWND.Null); 257internal static Size GetGlyphSize(HDC hdc, RadioButtonState state, HWND hwnd)

System\Windows\Forms\Controls\ComboBox\ComboBox.ACNativeWindow.cs (7)

16private static readonly Dictionary<HWND, ACNativeWindow?> s_acWindows = []; 18internal ACNativeWindow(HWND acHandle) 23PInvokeCore.EnumChildWindows(new HandleRef<HWND>(this, acHandle), RegisterACWindowRecursive); 26private static BOOL RegisterACWindowRecursive(HWND handle) 78internal static void RegisterACWindow(HWND acHandle, bool subclass) 107List<HWND> toRemove = []; 116foreach (HWND handle in toRemove)

System\Windows\Forms\Controls\ComboBox\ComboBox.AutoCompleteDropDownFinder.cs (1)

37private unsafe BOOL Callback(HWND hwnd)

System\Windows\Forms\Controls\ComboBox\ComboBox.ComboBoxChildEditUiaProvider.cs (3)

22private readonly HWND _handle; 29public ComboBoxChildEditUiaProvider(ComboBox owner, HWND childEditControlhandle) : base(owner, childEditControlhandle) 88PInvoke.UiaHostProviderFromHwnd(new HandleRef<HWND>(this, _handle), out IRawElementProviderSimple* provider);

System\Windows\Forms\Controls\ComboBox\ComboBox.ComboBoxChildListUiaProvider.cs (3)

22private readonly HWND _childListControlhandle; 24public ComboBoxChildListUiaProvider(ComboBox owningComboBox, HWND childListControlhandle) : base(owningComboBox, childListControlhandle) 183PInvoke.UiaHostProviderFromHwnd(new HandleRef<HWND>(this, _childListControlhandle), out IRawElementProviderSimple* provider);

System\Windows\Forms\Controls\ComboBox\ComboBox.ComboBoxItemAccessibleObject.cs (1)

54PInvokeCore.MapWindowPoints(listHandle, HWND.Null, ref translated);

System\Windows\Forms\Controls\ComboBox\ComboBox.ComboBoxUiaTextProvider.cs (3)

28private readonly IHandle<HWND> _owningChildEdit; 295PInvokeCore.MapWindowPoints(_owningChildEdit, (HWND)default, ref pt); 345if (PInvokeCore.MapWindowPoints((HWND)default, _owningChildEdit, ref clientLocation) == 0)

System\Windows\Forms\Controls\ComboBox\ComboBox.cs (11)

69private HWND _dropDownHandle; 532HWND focus = PInvoke.GetFocus(); 1972internal HandleRef<HWND> GetListHandle() 2283HWND hwnd = PInvoke.GetWindow(this, GET_WINDOW_CMD.GW_CHILD); 2293hwnd = PInvoke.GetWindow(new HandleRef<HWND>(this, hwnd), GET_WINDOW_CMD.GW_HWNDNEXT); 2372_dropDownHandle = HWND.Null; 3048internal override void ReleaseUiaProvider(HWND handle) 3348HWND.HWND_TOP, 3453_dropDownHandle = (HWND)m.LParamInternal; 3665HWND hwndChild = (HWND)m.LParamInternal;

System\Windows\Forms\Controls\ComboBox\ComboBoxRenderer.cs (2)

105DrawDropDownButtonForHandle(hdc, bounds, state, HWND.Null); 115internal static void DrawDropDownButtonForHandle(HDC hdc, Rectangle bounds, ComboBoxState state, HWND hwnd)

System\Windows\Forms\Controls\DataGridView\DataGridView.Methods.cs (2)

25596internal override void ReleaseUiaProvider(HWND handle) 25621_editingPanel?.ReleaseUiaProvider(HWND.Null);

System\Windows\Forms\Controls\DataGridView\DataGridViewComboBoxCell.cs (1)

2430EditingComboBox?.ReleaseUiaProvider(HWND.Null);

System\Windows\Forms\Controls\DataGridView\DataGridViewComboBoxEditingControl.cs (1)

128internal override void ReleaseUiaProvider(HWND handle)

System\Windows\Forms\Controls\DataGridView\DataGridViewTextBoxEditingControl.cs (1)

287internal override void ReleaseUiaProvider(HWND handle)

System\Windows\Forms\Controls\DateTimePicker\DateTimePicker.cs (2)

1503HWND handle = (HWND)PInvokeCore.SendMessage(this, PInvoke.DTM_GETMONTHCAL);

System\Windows\Forms\Controls\DateTimePicker\DateTimePicker.EnumChildren.cs (2)

10public HWND hwndFound; 12public BOOL enumChildren(HWND hwnd)

System\Windows\Forms\Controls\Labels\LinkLabel.cs (2)

428internal override void ReleaseUiaProvider(HWND handle) 1748if ((HWND)m.WParamInternal == InternalHandle && m.LParamInternal.LOWORD == PInvoke.HTCLIENT)

System\Windows\Forms\Controls\ListBoxes\ListBox.cs (1)

2037internal override void ReleaseUiaProvider(HWND handle)

System\Windows\Forms\Controls\ListBoxes\ListBox.ItemAccessibleObject.cs (1)

171UIA_PROPERTY_ID.UIA_NativeWindowHandlePropertyId => UIAHelper.WindowHandleToVariant(HWND.Null),

System\Windows\Forms\Controls\ListView\ColumnHeader.cs (2)

395HWND hwndHdr = (HWND)PInvokeCore.SendMessage(ListView, PInvoke.LVM_GETHEADER);

System\Windows\Forms\Controls\ListView\ListView.cs (13)

2187HWND hwnd = (HWND)PInvokeCore.SendMessage(this, PInvoke.LVM_GETHEADER); 3794HWND header = (HWND)PInvokeCore.SendMessage(this, PInvoke.LVM_GETHEADER); 3797PInvoke.InvalidateRect(new HandleRef<HWND>(this, header), lpRect: null, bErase: true); 4695HWND columnHeaderHandle = (HWND)PInvokeCore.SendMessage( 4940HWND headerWindow = PInvoke.GetWindow(this, GET_WINDOW_CMD.GW_CHILD); 5087internal override void ReleaseUiaProvider(HWND handle) 5422HWND oldHandle = (HWND)PInvokeCore.SendMessage(this, PInvoke.LVM_SETTOOLTIPS, toolTip); 6376HWND hwndHdr = (HWND)PInvokeCore.SendMessage(this, PInvoke.LVM_GETHEADER);

System\Windows\Forms\Controls\ListView\ListViewGroup.ListViewGroupAccessibleObject.cs (1)

189UIA_PROPERTY_ID.UIA_NativeWindowHandlePropertyId => UIAHelper.WindowHandleToVariant(HWND.Null),

System\Windows\Forms\Controls\ListView\ListViewItem.ListViewItemBaseAccessibleObject.cs (1)

194return UIAHelper.WindowHandleToVariant(HWND.Null);

System\Windows\Forms\Controls\Menus\MenuStrip.cs (1)

240HWND ancestor = PInvoke.GetAncestor(this, GET_ANCESTOR_FLAGS.GA_ROOT);

System\Windows\Forms\Controls\MonthCalendar\MonthCalendar.cs (1)

1479internal override void ReleaseUiaProvider(HWND handle)

System\Windows\Forms\Controls\PropertyGrid\PropertyGrid.cs (5)

1852internal override void ReleaseUiaProvider(HWND handle) 1862_helpPane?.ReleaseUiaProvider(HWND.Null); 1863_commandsPane?.ReleaseUiaProvider(HWND.Null); 1864_toolStrip?.ReleaseUiaProvider(HWND.Null); 3336HWND hWndParent = PInvoke.GetParent(this);

System\Windows\Forms\Controls\PropertyGrid\PropertyGridInternal\DropDownButton.cs (1)

148ScaleHelper.IsScalingRequirementMet ? HWNDInternal : HWND.Null);

System\Windows\Forms\Controls\PropertyGrid\PropertyGridInternal\GridEntry.cs (2)

1655void PaintOutlineWithExplorerTreeStyle(Graphics g, Rectangle r, HWND hwnd) 1699HWND hwnd)

System\Windows\Forms\Controls\PropertyGrid\PropertyGridInternal\GridEntry.GridEntryAccessibleObject.cs (3)

201/// they don't have windows - we use <see cref="HWND" /> of <see cref="PropertyGridView" />. 210? (int)(owner?.OwnerGridView?.InternalHandle ?? HWND.Null) 211: (int)HWND.Null,

System\Windows\Forms\Controls\PropertyGrid\PropertyGridInternal\GridToolTip.cs (1)

127HWND.HWND_TOPMOST,

System\Windows\Forms\Controls\PropertyGrid\PropertyGridInternal\PropertyGridView.cs (11)

2562for (HWND hwnd = PInvokeCore.GetForegroundWindow(); !hwnd.IsNull; hwnd = PInvoke.GetParent(hwnd)) 4783internal override void ReleaseUiaProvider(HWND handle) 4793_scrollBar?.ReleaseUiaProvider(HWND.Null); 4794_listBox?.ReleaseUiaProvider(HWND.Null); 4795_dropDownHolder?.ReleaseUiaProvider(HWND.Null); 4796_editTextBox?.ReleaseUiaProvider(HWND.Null); 4797_dropDownButton?.ReleaseUiaProvider(HWND.Null); 4798_dialogButton?.ReleaseUiaProvider(HWND.Null); 4903HWND priorFocus = PInvoke.GetFocus(); 4938HWND.Null, 5011HWND.Null,

System\Windows\Forms\Controls\PropertyGrid\PropertyGridInternal\PropertyGridView.DropDownHolder.cs (4)

264private bool OwnsWindow(HWND hWnd) 268hWnd = (HWND)PInvokeCore.GetWindowLong(hWnd, WINDOW_LONG_PTR_INDEX.GWL_HWNDPARENT); 667HWND activatedWindow = (HWND)m.LParamInternal;

System\Windows\Forms\Controls\PropertyGrid\PropertyGridInternal\PropertyGridView.MouseHook.cs (1)

152private bool ProcessMouseDown(HWND hwnd)

System\Windows\Forms\Controls\TabControl\TabControl.cs (4)

1255HWND tooltipHwnd = (HWND)PInvokeCore.SendMessage(this, PInvoke.TCM_GETTOOLTIPS); 1260HWND.HWND_TOPMOST, 1790private BOOL StyleChildren(HWND handle) =>

System\Windows\Forms\Controls\TabControl\TabPage.cs (1)

648internal override void ReleaseUiaProvider(HWND handle)

System\Windows\Forms\Controls\TextBox\TextBoxBase.TextBoxBaseUiaTextProvider.cs (1)

110if (PInvokeCore.MapWindowPoints((HWND)default, Owner, ref clientLocation) == 0)

System\Windows\Forms\Controls\ToolStrips\StatusStrip.cs (2)

171HWND rootHwnd = PInvoke.GetAncestor(this, GET_ANCESTOR_FLAGS.GA_ROOT); 577HWND rootHwnd = PInvoke.GetAncestor(this, GET_ANCESTOR_FLAGS.GA_ROOT);

System\Windows\Forms\Controls\ToolStrips\ToolStrip.cs (13)

35private HWND _hwndThatLostFocus; 3912internal override void ReleaseUiaProvider(HWND handle) 4399private void SnapFocus(HWND otherHwnd) 4428HWND thisHwndRoot = PInvoke.GetAncestor(this, GET_ANCESTOR_FLAGS.GA_ROOT); 4429HWND otherHwndRoot = PInvoke.GetAncestor(otherHwnd, GET_ANCESTOR_FLAGS.GA_ROOT); 4580SnapFocus((HWND)(nint)m.WParamInternal); 4594HWND previousFocus = (HWND)(nint)m.WParamInternal; 4611HWND nextFocus = (HWND)(nint)m.WParamInternal; 4632HWND hwndClicked = PInvoke.ChildWindowFromPointEx( 4647HWND rootHwnd = PInvoke.GetAncestor(this, GET_ANCESTOR_FLAGS.GA_ROOT); 4651HWND hwndActive = PInvoke.GetActiveWindow();

System\Windows\Forms\Controls\ToolStrips\ToolStrip.RestoreFocusMessageFilter.cs (1)

39HWND rootHwnd = PInvoke.GetAncestor(_ownerToolStrip, GET_ANCESTOR_FLAGS.GA_ROOT);

System\Windows\Forms\Controls\ToolStrips\ToolStripControlHost.cs (1)

855_control?.ReleaseUiaProvider(HWND.Null);

System\Windows\Forms\Controls\ToolStrips\ToolStripDropDown.cs (6)

893topMost ? HWND.HWND_TOPMOST : HWND.HWND_NOTOPMOST, 1581HWND foregroundWindow = PInvokeCore.GetForegroundWindow(); 1624HWND.HWND_TOP, 1916Debug.Fail($"Why are we being activated when we're not visible? Deactivating thing is {WindowsFormsUtils.GetControlInformation((HWND)(nint)m.LParamInternal)}"); 1982HandleRef<HWND> activeWindow = ToolStripManager.ModalMenuFilter.ActiveHwnd;

System\Windows\Forms\Controls\ToolStrips\ToolStripDropDownItem.cs (1)

640_dropDown?.ReleaseUiaProvider(HWND.Null);

System\Windows\Forms\Controls\ToolStrips\ToolStripManager.cs (4)

831HWND rootWindowOfToolStrip = PInvoke.GetAncestor(topMostToolStrip, GET_ANCESTOR_FLAGS.GA_ROOT); 832HWND rootWindowOfControl = PInvoke.GetAncestor(activeControl, GET_ANCESTOR_FLAGS.GA_ROOT); 932HWND topmostParentOfMenu = PInvoke.GetAncestor(menuStripToActivate, GET_ANCESTOR_FLAGS.GA_ROOT); 933HWND foregroundWindow = PInvokeCore.GetForegroundWindow();

System\Windows\Forms\Controls\ToolStrips\ToolStripManager.ModalMenuFilter.cs (15)

31private HandleRef<HWND> _activeHwnd; 33private HandleRef<HWND> _lastActiveWindow; 60internal static HandleRef<HWND> ActiveHwnd => Instance.ActiveHwndInternal; 76private HandleRef<HWND> ActiveHwndInternal 132HWND hwndActive = PInvoke.GetActiveWindow(); 201PInvoke.ShowCaret(HWND.Null); 312private void ProcessMouseButtonPressed(HWND hwndMouseMessageIsFrom, Point location) 402HWND hwndActive = PInvoke.GetActiveWindow(); 461PInvoke.HideCaret(HWND.Null); 487private static bool IsChildOrSameWindow<T>(in T hwndParent, in T hwndChild) where T : IHandle<HWND> 527HandleRef<HWND> activeToolStripHandle = new(activeToolStrip); 571if (!IsChildOrSameWindow<IHandle<HWND>>(activeToolStripHandle, m)) 576if (toplevelToolStrip is not null && IsChildOrSameWindow<IHandle<HWND>>(toplevelToolStrip, m)) 585else if (!IsChildOrSameWindow<IHandle<HWND>>(ActiveHwnd, m)) 639internal static DPI_AWARENESS_CONTEXT GetDpiAwarenessContextForWindow(HWND hwnd)

System\Windows\Forms\Controls\ToolStrips\ToolStripMenuItem.cs (1)

37private HandleRef<HWND> _targetWindowHandle;

System\Windows\Forms\Controls\ToolStrips\ToolStripPanel.FeedbackRectangle.FeedbackDropDown.cs (1)

54HWND.Null,

System\Windows\Forms\Controls\TrackBar\TrackBar.TrackBarChildAccessibleObject.cs (1)

61(int)(this.TryGetOwnerAs(out TrackBar? owner) ? owner.InternalHandle : HWND.Null),

System\Windows\Forms\Controls\TreeView\TreeView.cs (5)

175internal override void ReleaseUiaProvider(HWND handle) 1936HWND.HWND_TOP, 1949HWND.HWND_TOP, 2906HWND tooltipHandle = nmhdr->hwndFrom; 2922HWND.HWND_TOPMOST,

System\Windows\Forms\Controls\UpDown\UpDownBase.cs (1)

456internal override void ReleaseUiaProvider(HWND handle)

System\Windows\Forms\Controls\UpDown\UpDownBase.UpDownButtons.cs (1)

402internal override void ReleaseUiaProvider(HWND handle)

System\Windows\Forms\Controls\WebBrowser\WebBrowser.cs (1)

1104HWND hwndFocus = PInvoke.GetFocus();

System\Windows\Forms\Controls\WebBrowser\WebBrowserBase.cs (5)

333hwnd = HWND.Null, 425HWND hwndInPlaceObject = HWND.Null; 428Application.ParkHandle(new HandleRef<HWND>(AXInPlaceObject, hwndInPlaceObject), DpiAwarenessContext); 769internal void AttachWindow(HWND hwnd)

System\Windows\Forms\Controls\WebBrowser\WebBrowserContainer.cs (4)

69HRESULT IOleInPlaceFrame.Interface.GetWindow(HWND* phwnd) 142HRESULT IOleInPlaceFrame.Interface.SetMenu(HMENU hmenuShared, nint holemenu, HWND hwndActiveObject) 414HRESULT IOleInPlaceUIWindow.Interface.GetWindow(HWND* phwnd) 432HRESULT IOleWindow.Interface.GetWindow(HWND* phwnd)

System\Windows\Forms\Controls\WebBrowser\WebBrowserSiteBase.cs (7)

187HWND hwnd = HWND.Null; 214unsafe HRESULT IOleInPlaceSite.Interface.GetWindow(HWND* phwnd) 271lpFrameInfo->hwndFrame = Host.ParentInternal is { } parent ? parent.HWND : HWND.Null; 310HWND hWnd, 318HWND hWnd, 418HRESULT IOleWindow.Interface.GetWindow(HWND* phwnd)

System\Windows\Forms\Dialogs\CommonDialogs\ColorDialog.cs (2)

174hwndOwner = (HWND)hwndOwner, 175hInstance = (HWND)Instance,

System\Windows\Forms\Dialogs\CommonDialogs\CommonDialog.cs (14)

22private HWND _defaultControlHwnd; 24private readonly unsafe delegate* unmanaged[Stdcall]<HWND, uint, WPARAM, LPARAM, nuint> _functionPointer; 33_functionPointer = (delegate* unmanaged[Stdcall]<HWND, uint, WPARAM, LPARAM, nuint>)(void*)Marshal.GetFunctionPointerForDelegate(_hookProc); 54internal LRESULT HookProcInternal(HWND hWnd, uint msg, WPARAM wparam, LPARAM lparam) 57private protected unsafe delegate* unmanaged[Stdcall]<HWND, uint, WPARAM, LPARAM, nuint> HookProcFunctionPointer 68MoveToScreenCenter((HWND)hWnd); 72_defaultControlHwnd = (HWND)wparam; 73PInvoke.SetFocus((HWND)wparam); 77PInvokeCore.PostMessage((HWND)hWnd, CDM_SETDEFAULTFOCUS); 95private protected static void MoveToScreenCenter(HWND hwnd) 103HWND.HWND_TOP, 117private LRESULT OwnerWndProcInternal(HWND hWnd, uint msg, WPARAM wparam, LPARAM lparam) 146return PInvokeCore.CallWindowProc((void*)_priorWindowProcedure, (HWND)hWnd, (uint)msg, (nuint)wparam, lparam); 193HandleRef<HWND> ownerHwnd = default;

System\Windows\Forms\Dialogs\CommonDialogs\FileDialog.cs (8)

35private HWND _dialogHWnd; 499_dialogHWnd = PInvoke.GetParent((HWND)hWnd); 549PInvokeCore.SetWindowLong((HWND)hWnd, 0, -1); 556PInvokeCore.SetWindowLong((HWND)hWnd, 0, -1); 671HWND focusHandle = PInvoke.GetFocus(); 734if (UseVistaDialogInternal && TryRunDialogVista((HWND)hWndOwner, out bool returnValue)) 739return RunDialogOld((HWND)hWndOwner); 742private unsafe bool RunDialogOld(HWND owner)

System\Windows\Forms\Dialogs\CommonDialogs\FileDialog.Vista.cs (1)

23private unsafe bool TryRunDialogVista(HWND hWndOwner, out bool returnValue)

System\Windows\Forms\Dialogs\CommonDialogs\FolderBrowserDialog.cs (5)

279UseVistaDialogInternal && TryRunDialogVista((HWND)hwndOwner, out bool returnValue) 281: RunDialogOld((HWND)hwndOwner); 283private unsafe bool TryRunDialogVista(HWND owner, out bool returnValue) 436private unsafe bool RunDialogOld(HWND owner) 488private static unsafe int FolderBrowserDialog_BrowseCallbackProc(HWND hwnd, uint msg, LPARAM lParam, LPARAM lpData)

System\Windows\Forms\Dialogs\CommonDialogs\FontDialog.cs (7)

313PInvokeCore.SendMessage((HWND)hWnd, PInvokeCore.WM_CHOOSEFONT_GETLOGFONT, (WPARAM)0, ref logFont); 315int index = (int)PInvoke.SendDlgItemMessage((HWND)hWnd, (int)PInvoke.cmb4, PInvoke.CB_GETCURSEL, 0, 0); 319(HWND)hWnd, 346HWND hWndCtl = PInvoke.GetDlgItem((HWND)hWnd, (int)PInvoke.cmb4); 348hWndCtl = PInvoke.GetDlgItem((HWND)hWnd, (int)PInvoke.stc4); 389hwndOwner = (HWND)hWndOwner,

System\Windows\Forms\Dialogs\MessageBox.cs (1)

456HandleRef<HWND> handle = default;

System\Windows\Forms\Dialogs\TaskDialog\TaskDialog.cs (6)

86private HWND _handle; 270HWND hwnd, 665_handle = HWND.Null; 909HWND hWnd, 1012_handle = HWND.Null; 1448hwndParent = (HWND)hwndOwner,

System\Windows\Forms\Dialogs\TaskDialog\TaskDialog.WindowSubclassHandler.cs (1)

13: base((HWND)taskDialog.OrThrowIfNull().Handle)

System\Windows\Forms\ErrorProvider\ErrorProvider.ControlItem.ControlItemAccessibleObject.cs (1)

90=> UIAHelper.WindowHandleToVariant(_window?.Handle ?? HWND.Null),

System\Windows\Forms\ErrorProvider\ErrorProvider.ErrorWindow.cs (3)

128HWND.HWND_TOP, 151HWND.HWND_TOP, 380HWND.HWND_TOP,

System\Windows\Forms\ErrorProvider\ErrorProvider.ErrorWindow.ErrorWindowAccessibleObject.cs (1)

83PInvoke.UiaHostProviderFromHwnd(new HandleRef<HWND>(this, _owner.HWND), out IRawElementProviderSimple* provider);

System\Windows\Forms\Form.cs (17)

1362HWND.HWND_TOP, 2003private IHandle<HWND> TaskbarOwner 2067value ? HWND.HWND_TOPMOST : HWND.HWND_NOTOPMOST, 3712HandleRef<HWND> ownerHandle = dialogOwner is not null 3903HWND ownerHandle = (HWND)PInvokeCore.GetWindowLong(this, WINDOW_LONG_PTR_INDEX.GWL_HWNDPARENT); 3955HWND hWndOwner = default; 3958hWndOwner = (HWND)PInvokeCore.GetWindowLong(this, WINDOW_LONG_PTR_INDEX.GWL_HWNDPARENT); 5477HWND activeHwnd = PInvoke.GetActiveWindow(); 5478HandleRef<HWND> ownerHwnd = owner is null ? GetHandleRef(activeHwnd) : GetSafeHandle(owner); 5709HWND captureHwnd = PInvoke.GetCapture(); 5716HWND activeHwnd = PInvoke.GetActiveWindow(); 5717HandleRef<HWND> ownerHwnd = owner is null ? GetHandleRef(activeHwnd) : GetSafeHandle(owner); 6115IHandle<HWND> ownerHwnd = NullHandle<HWND>.Instance; 6946if (HWND == (HWND)m.WParamInternal)

System\Windows\Forms\Form.EnumThreadWindowsCallback.cs (8)

14private List<HWND>? _ownedWindows; 16private readonly HWND _formHandle; 18internal EnumThreadWindowsCallback(HWND formHandle) 23internal BOOL Callback(HWND hwnd) 25HWND parent = (HWND)PInvokeCore.GetWindowLong(hwnd, WINDOW_LONG_PTR_INDEX.GWL_HWNDPARENT); 42foreach (HWND hwnd in _ownedWindows) 55foreach (HWND hwnd in _ownedWindows)

System\Windows\Forms\Help\Help.cs (3)

140HandleRef<HWND> handle = parent is not null ? (new(parent)) : Control.GetHandleRef(PInvoke.GetActiveWindow()); 166PInvoke.HtmlHelp(HWND.Null, pathAndFileName, HH_DISPLAY_TOPIC, null); 217HandleRef<HWND> handle = parent is not null ? new(parent) : Control.GetHandleRef(PInvoke.GetActiveWindow());

System\Windows\Forms\Internal\WinFormsUtils.cs (1)

153internal static string GetControlInformation(HWND hwnd)

System\Windows\Forms\Layout\Containers\ContainerControl.cs (2)

628HWND focusHandle = PInvoke.GetFocus(); 1411HWND.HWND_TOP,

System\Windows\Forms\Layout\Containers\SplitContainer.cs (1)

2270if ((HWND)m.WParamInternal == InternalHandle && m.LParamInternal.LOWORD == PInvoke.HTCLIENT)

System\Windows\Forms\NativeWindow.cs (26)

14public unsafe partial class NativeWindow : MarshalByRefObject, IWin32Window, IHandle<HWND> 38private static readonly Dictionary<HWND, GCHandle> s_windowHandles = []; 39private static readonly Dictionary<short, HWND> s_windowIds = []; 90HWND handle; 153internal HWND HWND { get; private set; } 155HWND IHandle<HWND>.Handle => HWND; 236private static void AddWindowToTable(HWND handle, NativeWindow window) 278internal static short CreateWindowId(IHandle<HWND> handle) 292public void AssignHandle(IntPtr handle) => AssignHandle((HWND)handle, assignUniqueID: true); 294internal unsafe void AssignHandle(HWND hwnd, bool assignUniqueID) 340private LRESULT Callback(HWND hWnd, uint msg, WPARAM wparam, LPARAM lparam) 414HWND createResult = HWND.Null; 448(HWND)cp.Parent, 541HWND = HWND.Null; 555=> handle != IntPtr.Zero ? GetWindowFromTable((HWND)handle) : null; 560private static NativeWindow? GetWindowFromTable(HWND handle) => 569internal static HWND GetHandleFromWindowId(short id) 571if (!s_windowIds.TryGetValue(id, out HWND handle)) 573handle = HWND.Null; 613foreach ((HWND handle, GCHandle gcHandle) in s_windowHandles) 615if (!handle.IsNull && handle != (HWND)(-1)) 626w?.HWND = HWND.Null; 688HWND = HWND.Null; 702private static void RemoveWindowFromDictionary(HWND hwnd, NativeWindow window)

System\Windows\Forms\NativeWindow.WindowClass.cs (2)

42public LRESULT Callback(HWND hwnd, uint msg, WPARAM wparam, LPARAM lparam) 158windowClass.lpfnWndProc = (delegate* unmanaged[Stdcall]<HWND, uint, WPARAM, LPARAM, LRESULT>)callback;

System\Windows\Forms\OLE\DropSource.cs (3)

16private HWND _lastHwndTarget; 84void UpdateDragImage(GiveFeedbackEventArgs e, IComVisibleDataObject? dataObject, HWND lastHwndTarget) 100public unsafe HRESULT DragEnterTarget(HWND hwndTarget)

System\Windows\Forms\OLE\DropTarget.cs (1)

18private readonly HWND _hwndTarget;

System\Windows\Forms\Printing\PageSetupDialog.cs (1)

275hwndOwner = (HWND)hwndOwner,

System\Windows\Forms\Printing\PrintDialog.cs (4)

220UseEXDialog ? ShowPrintDialogEx((HWND)hwndOwner) : ShowPrintDialog((HWND)hwndOwner); 222private unsafe bool ShowPrintDialog(HWND hwndOwner) 348private unsafe bool ShowPrintDialogEx(HWND hwndOwner)

System\Windows\Forms\Printing\PrinterSettingsExtensions.cs (2)

26modeSize = PInvoke.DocumentProperties(HWND.Null, global::Windows.Win32.Graphics.Printing.PRINTER_HANDLE.Null, n, null, (DEVMODEW*)null, 0); 39HWND.Null,

System\Windows\Forms\Rendering\ControlPaint.cs (1)

335using GetDcScope screenDC = new(HWND.Null);

System\Windows\Forms\Screen.cs (1)

277? new Screen(PInvokeCore.MonitorFromWindow((HWND)hwnd, MONITOR_FROM_FLAGS.MONITOR_DEFAULTTONEAREST))

System\Windows\Forms\SendKeys\SendKeys.cs (5)

129HWND hwnd, 182private static void AddMsgsForVK(int vk, int repeat, bool altnoctrldown, HWND hwnd) 195private static void CancelMods(ref (int HaveShift, int HaveCtrl, int HaveAlt) haveKeys, int level, HWND hwnd) 379private static void ParseKeys(string keys, HWND hwnd) 923ParseKeys(keys, (control is not null) ? (HWND)control.Handle : default);

System\Windows\Forms\SendKeys\SendKeys.SKEvent.cs (3)

16public readonly HWND HWND; 18public SKEvent(MessageId wm, uint paramL, bool paramH, HWND hwnd) 26public SKEvent(MessageId wm, uint paramL, uint paramH, HWND hwnd)

System\Windows\Forms\StringSource.cs (1)

40public bool Bind(IHandle<HWND> edit, AUTOCOMPLETEOPTIONS options)

System\Windows\Forms\Timer.cs (3)

224Parent = HWND.HWND_MESSAGE 237private static bool GetInvokeRequired(HWND hwnd) 273public void StopTimer(HWND hwnd, bool destroyHwnd)

System\Windows\Forms\ToolTip\ToolTip.cs (29)

17public partial class ToolTip : Component, IExtenderProvider, IHandle<HWND> 50private readonly Dictionary<HWND, Control> _owners = []; 257HWND IHandle<HWND>.Handle => HWND; 259internal HWND HWND => (HWND)Handle; 308HWND hwnd = PInvoke.GetActiveWindow(); 309HWND rootHwnd = PInvoke.GetAncestor(control, GET_ANCESTOR_FLAGS.GA_ROOT); 987private ToolInfoWrapper<HandleRef<HWND>> GetWinTOOLINFO(IWin32Window window) 1028private HWND GetWindowFromPoint(Point screenCoords, ref bool success) 1036HWND hwndControl = PInvoke.WindowFromPoint(screenCoords); 1047return HWND.Null; 1050HWND baseHwnd = current?.HWND ?? HWND.Null; 1051HWND hwnd = HWND.Null; 1061HWND found = PInvoke.ChildWindowFromPointEx(baseHwnd, pt, CWP_FLAGS.CWP_SKIPINVISIBLE); 1104hwnd = HWND.Null; 1527HWND hwnd = GetCurrentToolHwnd(); 1532ToolInfoWrapper<HandleRef<HWND>> info = new(Control.GetSafeHandle(ownerWindow)); 1737ToolInfoWrapper<HandleRef<HWND>> info = new(Control.GetSafeHandle(win)); 1747_owners.Remove((HWND)win.Handle); 1757_owners.Remove((HWND)win.Handle); 1945HWND.HWND_TOPMOST, 1953private HWND GetCurrentToolHwnd() 1966HWND hwnd = GetCurrentToolHwnd(); 2092HWND.HWND_TOPMOST, 2103HWND.HWND_TOPMOST, 2242_owners.Remove((HWND)window.Handle);

System\Windows\Forms\UserControl.cs (1)

248HWND hwndFocus = PInvoke.GetFocus();

System\Windows\Forms\VisualStyles\VisualStyleRenderer.cs (10)

106using PInvoke.OpenThemeDataScope handle = new(HWND.Null, className); 216DrawBackground(hdc, bounds, HWND.Null); 219internal unsafe void DrawBackground(HDC dc, Rectangle bounds, HWND hwnd = default) 245DrawBackground(hdc, bounds, clipRectangle, HWND.Null); 248internal unsafe void DrawBackground(HDC dc, Rectangle bounds, Rectangle clipRectangle, HWND hwnd) 576return GetPartSize(hdc, type, HWND.Null); 579internal unsafe Size GetPartSize(HDC dc, ThemeSizeType type, HWND hwnd = default) 865private static PInvoke.OpenThemeDataScope OpenThemeData(HWND hwnd, string classList) 883return Create(className, throwExceptionOnFail, HWND.Null); 886internal static ThemeHandle? Create(string className, bool throwExceptionOnFail, HWND hWndRef)

System\Windows\Forms\WindowSubclassHandler.cs (3)

26private readonly HWND _handle; 61public unsafe WindowSubclassHandler(HWND hwnd) 266HWND hWnd,