ParentInternal

System\Windows\Forms\Accessibility\Control.ControlAccessibleObject.cs (2)

131Control? parentControl = owner.ParentInternal; 394if (!this.TryGetOwnerAs(out Control? owner) || owner.ParentInternal is not { } parent)

System\Windows\Forms\ActiveX\AxHost.AxContainer.cs (1)

207if (control.ParentInternal is { } parent)

System\Windows\Forms\ActiveX\AxHost.cs (13)

405if (ParentInternal is not null) 407ParentInternal.CreateControl(true); 1525if (ParentInternal is not null) 1540if ((IsHandleCreated || value) && ParentInternal is not null && ParentInternal.Created && !_axState[s_fOwnWindow]) 1985private bool ShouldSerializeContainingControl() => ContainingControl != ParentInternal; 2002control = control.ParentInternal; 2077Control? richParent = ParentInternal; 2148Control? parent = ParentInternal; 2996if (ParentInternal is null || !ParentInternal.IsHandleCreated) 3001ShowPropertyPages(ParentInternal); 3324Control? parent = ParentInternal;

System\Windows\Forms\ActiveX\AxHost.OleInterfaces.cs (2)

343*phwnd = _host.ParentInternal?.HWND ?? HWND.Null; 400lpFrameInfo->hwndFrame = _host.ParentInternal?.HWND ?? HWND.Null;

System\Windows\Forms\Control.ControlCollection.cs (1)

294if (value.ParentInternal == Owner)

System\Windows\Forms\Control.cs (75)

System\Windows\Forms\Control.Ime.cs (1)

46Control? parent = ParentInternal;

System\Windows\Forms\Controls\Buttons\Button.cs (4)

60if (ParentInternal is not null) 65if (ParentInternal.LayoutEngine == DefaultLayout.Instance) 67ParentInternal.LayoutEngine.InitLayout(this, BoundsSpecified.Size); 70LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.AutoSize);

System\Windows\Forms\Controls\Buttons\ButtonBase.cs (8)

354LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.FlatStyle); 415LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.Image); 438LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.ImageAlign); 687LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.TextAlign); 716LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.TextImageRelation); 739LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.Text); 744private void Animate() => Animate(!DesignMode && Visible && Enabled && ParentInternal is not null); 1102using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.Text))

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

73using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.Appearance)) 128LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.CheckAlign);

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

43if (_owner.ParentInternal is not null) 47_owner.ParentInternal,

System\Windows\Forms\Controls\Buttons\RadioButton.cs (3)

89using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.Appearance)) 407if (!_isChecked || ParentInternal is not { } parent) 430if (ParentInternal is not { } parent)

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

2255using (new LayoutTransaction(ParentInternal, this, PropertyNames.Bounds)) 3450if ((DropDownStyle == ComboBoxStyle.Simple) && ParentInternal is not null) 3454using var hbrush = new CreateBrushScope(ParentInternal?.BackColor ?? SystemColors.Control);

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

1082using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.BorderStyle)) 1661using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.ColumnHeadersVisible)) 3349using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.RowHeadersVisible)) 3397using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.RowHeadersWidth)) 3584using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.ScrollBars))

System\Windows\Forms\Controls\DataGridView\DataGridView.Methods.cs (7)

13284LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.Columns); 14518LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.Columns); 17561LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.Rows); 26704using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.ColumnHeadersHeight)) 28980LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.Rows); 29030LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.Rows); 29052LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.Rows);

System\Windows\Forms\Controls\DataGridView\DataGridViewCell.cs (12)

1054if (dataGridView.EditingControl.ParentInternal is not null) 1071Debug.Assert(dataGridView.EditingControl.ParentInternal == dataGridView.EditingPanel); 1074Debug.Assert(dataGridView.EditingControl.ParentInternal is null); 1085if (dataGridView.EditingPanel.ParentInternal is not null) 1087Debug.Assert(dataGridView.EditingPanel.ParentInternal == dataGridView); 1090Debug.Assert(dataGridView.EditingPanel.ParentInternal is null); 1093Debug.Assert(dataGridView.EditingControl.ParentInternal is null); 1094Debug.Assert(dataGridView.EditingPanel.ParentInternal is null); 2471if (dgv.EditingControl.ParentInternal is null) 2479Debug.Assert(dgv.EditingPanel.ParentInternal is null); 2485Debug.Assert(dgv.EditingControl.ParentInternal == dgv.EditingPanel); 2486Debug.Assert(dgv.EditingPanel.ParentInternal == dgv);

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

1272if (comboBox.ParentInternal is not null) 1274h = comboBox.ParentInternal.Handle;

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

96if (ParentInternal is not null) 101if (ParentInternal.LayoutEngine == DefaultLayout.Instance) 103ParentInternal.LayoutEngine.InitLayout(this, BoundsSpecified.Size); 106LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.AutoSize);

System\Windows\Forms\Controls\Labels\Label.cs (10)

155if (ParentInternal is not null) 157LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.AutoEllipsis); 222if (ParentInternal is not null) 224LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.BorderStyle); 347LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.BorderStyle); 560LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.ImageAlign); 787using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.Text)) 849internal void Animate() => Animate(!DesignMode && Visible && Enabled && ParentInternal is not null); 1213using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.Text)) 1364Control? parent = ParentInternal;

System\Windows\Forms\Controls\Labels\LinkLabel.cs (1)

201LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.LinkArea);

System\Windows\Forms\Controls\Labels\LinkLabel.LinkCollection.cs (3)

163LayoutTransaction.DoLayout(_owner.ParentInternal, _owner, PropertyNames.Links); 307LayoutTransaction.DoLayout(_owner.ParentInternal, _owner, PropertyNames.Links); 345LayoutTransaction.DoLayout(_owner.ParentInternal, _owner, PropertyNames.Links);

System\Windows\Forms\Controls\ListBoxes\ListBox.cs (2)

417LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.DrawMode); 1843if (ParentInternal is not null)

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

972private void Animate() => Animate(animate: !DesignMode && Visible && Enabled && ParentInternal is not null);

System\Windows\Forms\Controls\PropertyGrid\PropertyGridInternal\PropertyGridView.cs (12)

2050Control? parent = control.ParentInternal; 2059parent = parent.ParentInternal; 2081Control? parent1 = control1.ParentInternal; 2082Control? parent2 = control2.ParentInternal; 2091parent2 = parent2.ParentInternal; 3460if (Disposing || ParentInternal is null || ParentInternal.Disposing) 3480if (Disposing || ParentInternal is null || ParentInternal.Disposing) 3485if (Visible && ParentInternal is not null) 4856while (topControl.ParentInternal is not null) 4858topControl = topControl.ParentInternal;

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

75if (_gridView is not null && _gridView.ParentInternal is not null) 77cp.Parent = _gridView.ParentInternal.Handle;

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

645using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.ScrollBars)) 1346using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.Text))

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

641Control? parent = ParentInternal; 692if (_splitTarget is null || ParentInternal is null) 698using GetDcScope dc = new(ParentInternal.HWND, HRGN.Null, GET_DCX_FLAGS.DCX_CACHE | GET_DCX_FLAGS.DCX_LOCKWINDOWUPDATE); 704GC.KeepAlive(ParentInternal); 715Control? parent = ParentInternal;

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

1957if (IsAccessibilityObjectCreated && SelectedTab?.ParentInternal is TabControl)

System\Windows\Forms\Controls\TabControl\TabPage.cs (13)

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

55private TabControl? OwningTabControl => _owningTabPage.ParentInternal as TabControl;

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

24this.TryGetOwnerAs(out TabPage? owningTabPage) ? owningTabPage.ParentInternal as TabControl : null;

System\Windows\Forms\Controls\TextBox\TextBoxBase.cs (3)

365using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.BorderStyle)) 726using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.Multiline)) 1162using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.WordWrap))

System\Windows\Forms\Controls\ToolStrips\ToolStrip.cs (10)

390if (ParentInternal is { } parent && parent.CanAccessProperties) 580DockStyle actualDock = (ParentInternal is not null) ? ParentInternal.Dock : DockStyle.Left; 599if (IsInToolStripPanel && ParentInternal is not null) 601dock = ParentInternal.Dock; // we want the orientation of the ToolStripPanel; 651using (new LayoutTransaction(ParentInternal, this, PropertyNames.Dock)) 4133if (ParentInternal is not null) 4135IContainerControl? c = ParentInternal.GetContainerControl(); 4539if (ParentInternal is not null) 4541LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.Orientation);

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

101if (ParentInternal is ToolStripContainer && value == Color.Transparent) 103ParentInternal.BackColor = Color.Transparent;

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

690= GetControlCollection(_control.ParentInternal as ToolStrip);

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

1005parentClientPoint = (_ownerItem is ToolStripDropDownItem dropDownItem) && (ParentInternal is not null) 1006? ParentInternal.PointToClient(dropDownItem.DropDownLocation)

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

327if (start is null || start.ParentInternal is null) 783activeControlInChain = activeControlInChain.ParentInternal;

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

62get { return ParentInternal; }

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

482if (e.AffectedComponent != ParentInternal && e.AffectedComponent as Control is not null) 1030if (ParentInternal is not null) 1034bounds.Width = ParentInternal.DisplayRectangle.Width; 1038bounds.Height = ParentInternal.DisplayRectangle.Height;

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

115if (Control is not null && ToolStripPanelRow is not null && Control.ParentInternal == ToolStripPanelRow.ToolStripPanel)

System\Windows\Forms\Controls\ToolStrips\ToolStripPanelRow.HorizontalRowManager.cs (2)

32if ((!ToolStripPanel.Visible || LayoutUtils.IsZeroWidthOrHeight(raftingDisplayRectangle)) && (ToolStripPanel.ParentInternal is not null)) 35displayRect.Width = ToolStripPanel.ParentInternal.DisplayRectangle.Width - (ToolStripPanel.Margin.Horizontal + ToolStripPanel.Padding.Horizontal) - Row.Margin.Horizontal;

System\Windows\Forms\Controls\ToolStrips\ToolStripPanelRow.ToolStripPanelRowControlCollection.cs (2)

238if (ToolStripPanel is not null && ToolStripPanel.ParentInternal is not null) 240layoutTransaction = new LayoutTransaction(ToolStripPanel, ToolStripPanel.ParentInternal, PropertyNames.Parent);

System\Windows\Forms\Controls\ToolStrips\ToolStripPanelRow.VerticalRowManager.cs (2)

33if ((!ToolStripPanel.Visible || LayoutUtils.IsZeroWidthOrHeight(raftingDisplayRectangle)) && (ToolStripPanel.ParentInternal is not null)) 36displayRect.Height = ToolStripPanel.ParentInternal.DisplayRectangle.Height - (ToolStripPanel.Margin.Vertical + ToolStripPanel.Padding.Vertical) - Row.Margin.Vertical;

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

850if (toolStrip.ParentInternal is not null) 1138Control? parent = control.ParentInternal;

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

46return owner.ParentInternal?.RectangleToScreen(bounds) ?? Rectangle.Empty;

System\Windows\Forms\Controls\WebBrowser\WebBrowserBase.cs (2)

465Control? parent = ParentInternal; 1146for (Control? control = this; control is not null; control = control.ParentInternal)

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

272lpFrameInfo->hwndFrame = Host.ParentInternal is { } parent ? parent.HWND : HWND.Null;

System\Windows\Forms\ErrorProvider\ErrorProvider.ControlItem.ControlItemAccessibleObject.cs (3)

34=> _control.ParentInternal is not null && _control.ParentInternal.IsHandleCreated 35? _control.ParentInternal.RectangleToScreen(_controlItem.GetIconBounds(_provider.Region.Size))

System\Windows\Forms\ErrorProvider\ErrorProvider.ControlItem.cs (2)

271_control.Visible && _control.ParentInternal is not null && 274_window = _provider.EnsureErrorWindow(_control.ParentInternal);

System\Windows\Forms\Form.cs (2)

1714get => base.ParentInternal; 3427if (_ctlClient is not null && _ctlClient.IsHandleCreated && _ctlClient.ParentInternal == this)

System\Windows\Forms\Layout\Containers\ContainerControl.cs (35)

System\Windows\Forms\Layout\Containers\SplitContainer.cs (17)

249if (ParentInternal is SplitterPanel splitterPanel) 310if (ParentInternal is SplitterPanel splitterPanel) 1146IContainerControl? c = ParentInternal?.GetContainerControl(); 1540group = ActiveControl.ParentInternal; 1803Control? parent = ParentInternal; 1807if (parent.SelectNextControl(this, forward, true, true, parent.ParentInternal is null)) 1812parent = parent.ParentInternal; 1829(!nested && ctl.ParentInternal != this)) 1850if (!forward && firstPanel is not null && ctl?.ParentInternal != firstPanel) 1883IContainerControl? c = ParentInternal?.GetContainerControl(); 1906Control? parent = ParentInternal; 1932(!nested && ctl.ParentInternal != this)) 1980if (ctl is null || (ctl.ParentInternal is not null && !ctl.ParentInternal.Visible)) 2000if (container.ParentInternal is not null) 2002IContainerControl? c = container.ParentInternal.GetContainerControl(); 2370IContainerControl? c = ParentInternal?.GetContainerControl();

System\Windows\Forms\Layout\TableLayout.cs (4)

695if (containerInfo.Container is TableLayoutPanel tlp && tlp.ParentInternal is not null && tlp.ParentInternal.LayoutEngine == DefaultLayout.Instance) 821if (containerInfo.Container is TableLayoutPanel tlp && tlp.ParentInternal is not null && tlp.ParentInternal.LayoutEngine == DefaultLayout.Instance)

System\Windows\Forms\MDI\MDIClient.cs (17)

52if (result is null && ParentInternal is not null) 54result = ParentInternal.BackgroundImage; 69if (backgroundImage is not null && ParentInternal is not null) 72if (imageLayout != ParentInternal.BackgroundImageLayout) 75return ParentInternal.BackgroundImageLayout; 102ISite? site = ParentInternal?.Site; 109if (RightToLeft == RightToLeft.Yes && ParentInternal is not null && ParentInternal.IsMirrored) 172ISite? site = ParentInternal?.Site; 223|| ParentInternal is Form { MdiChildrenMinimizedAnchorBottom: false } 224|| ParentInternal?.Site?.DesignMode == true) 333if (ParentInternal is not null && ParentInternal.Site is not null && ParentInternal.Site.DesignMode && Handle != IntPtr.Zero) 341InvokeGotFocus(ParentInternal, EventArgs.Empty); 343if (ParentInternal is Form parentInternalAsForm) 365InvokeLostFocus(ParentInternal, EventArgs.Empty);

System\Windows\Forms\Panels\Panel.cs (4)

79if (ParentInternal is not null) 84if (ParentInternal.LayoutEngine == DefaultLayout.Instance) 86ParentInternal.LayoutEngine.InitLayout(this, BoundsSpecified.Size); 89LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.AutoSize);

System\Windows\Forms\Scrolling\ScrollableControl.cs (3)

861if (activeControl.ParentInternal != this) 863if (activeControl.ParentInternal is null) 868bounds = RectangleToClient(activeControl.ParentInternal.RectangleToScreen(bounds));

System\Windows\Forms\ToolTip\ToolTip.cs (4)

504if (control is not null && control.ParentInternal is not null) 506while (control.ParentInternal is not null) 508control = control.ParentInternal; 1099current = current.ParentInternal;

System\Windows\Forms\UserControl.cs (2)

81Control toLayout = DesignMode || ParentInternal is null ? this : ParentInternal;