// ------------------------------------------------------------------------------ // <auto-generated> // This code was generated by a tool. // // Changes to this file may cause incorrect behavior and will be lost if // the code is regenerated. // </auto-generated> // ------------------------------------------------------------------------------ #pragma warning disable CS1591,CS1573,CS0465,CS0649,CS8019,CS1570,CS1584,CS1658,CS0436,CS8981,SYSLIB1092,CS3021,CS3019 using global::System; using global::System.Diagnostics; using global::System.Diagnostics.CodeAnalysis; using global::System.Runtime.CompilerServices; using global::System.Runtime.InteropServices; using global::System.Runtime.Versioning; using winmdroot = global::Windows.Win32; namespace Windows.Win32 { namespace System.Ole { [Guid("00000121-0000-0000-C000-000000000046")] [CLSCompliant(false)] [SupportedOSPlatform("windows5.0")] [global::System.CodeDom.Compiler.GeneratedCode("Microsoft.Windows.CsWin32", "0.3.287+85e3fa26dd.RR")] internal unsafe partial struct IDropSource :winmdroot.IVTable<IDropSource,IDropSource.Vtbl>,IComIID { /// <inheritdoc cref="QueryInterface(global::System.Guid*, void**)"/> [OverloadResolutionPriority(1)] internal unsafe winmdroot.Foundation.HRESULT QueryInterface(in global::System.Guid riid, out void* ppvObject) { fixed (void** ppvObjectLocal = &ppvObject) { fixed (global::System.Guid* riidLocal = &riid) { winmdroot.Foundation.HRESULT __result = this.QueryInterface(riidLocal, ppvObjectLocal); return __result; } } } public unsafe winmdroot.Foundation.HRESULT QueryInterface(global::System.Guid* riid, void** ppvObject) { return ((delegate *unmanaged [Stdcall]<IDropSource*,global::System.Guid* ,void** ,winmdroot.Foundation.HRESULT>)lpVtbl[0])((IDropSource*)Unsafe.AsPointer(ref this), riid, ppvObject); } public uint AddRef() { return ((delegate *unmanaged [Stdcall]<IDropSource*,uint>)lpVtbl[1])((IDropSource*)Unsafe.AsPointer(ref this)); } public uint Release() { return ((delegate *unmanaged [Stdcall]<IDropSource*,uint>)lpVtbl[2])((IDropSource*)Unsafe.AsPointer(ref this)); } [UnmanagedCallersOnly(CallConvs = new []{ typeof(CallConvStdcall)} )] private static winmdroot.Foundation.HRESULT QueryContinueDrag(IDropSource* pThis, winmdroot.Foundation.BOOL fEscapePressed, winmdroot.System.SystemServices.MODIFIERKEYS_FLAGS grfKeyState) { try { winmdroot.Foundation.HRESULT __hr = winmdroot.ComHelpers.UnwrapCCW(pThis, out Interface __object); if (__hr.Failed) { return __hr; } return __object.QueryContinueDrag(fEscapePressed, grfKeyState); } catch (Exception ex) { return (winmdroot.Foundation.HRESULT)ex.HResult; } } /// <summary>Determines whether a drag-and-drop operation should be continued, canceled, or completed. You do not call this method directly. The OLE DoDragDrop function calls this method during a drag-and-drop operation.</summary> /// <param name="fEscapePressed">Indicates whether the Esc key has been pressed since the previous call to <b>QueryContinueDrag</b> or to <a href="https://docs.microsoft.com/windows/desktop/api/ole2/nf-ole2-dodragdrop">DoDragDrop</a> if this is the first call to <b>QueryContinueDrag</b>. A <b>TRUE</b> value indicates the end user has pressed the escape key; a <b>FALSE</b> value indicates it has not been pressed.</param> /// <param name="grfKeyState">The current state of the keyboard modifier keys on the keyboard. Possible values can be a combination of any of the flags MK_CONTROL, MK_SHIFT, MK_ALT, MK_BUTTON, MK_LBUTTON, MK_MBUTTON, and MK_RBUTTON.</param> /// <returns> /// <para>This method can return the following values. </para> /// <para>This doc was truncated.</para> /// </returns> /// <remarks>The <a href="https://docs.microsoft.com/windows/desktop/api/ole2/nf-ole2-dodragdrop">DoDragDrop</a> function calls <b>QueryContinueDrag</b> whenever it detects a change in the keyboard or mouse button state during a drag-and-drop operation. <b>QueryContinueDrag</b> must determine whether the drag-and-drop operation should be continued, canceled, or completed based on the contents of the parameters <i>grfKeyState</i> and <i>fEscapePressed</i>.</remarks> public winmdroot.Foundation.HRESULT QueryContinueDrag(winmdroot.Foundation.BOOL fEscapePressed, winmdroot.System.SystemServices.MODIFIERKEYS_FLAGS grfKeyState) { return ((delegate *unmanaged [Stdcall]<IDropSource*,winmdroot.Foundation.BOOL ,winmdroot.System.SystemServices.MODIFIERKEYS_FLAGS ,winmdroot.Foundation.HRESULT>)lpVtbl[3])((IDropSource*)Unsafe.AsPointer(ref this), fEscapePressed, grfKeyState); } [UnmanagedCallersOnly(CallConvs = new []{ typeof(CallConvStdcall)} )] private static winmdroot.Foundation.HRESULT GiveFeedback(IDropSource* pThis, winmdroot.System.Ole.DROPEFFECT dwEffect) { try { winmdroot.Foundation.HRESULT __hr = winmdroot.ComHelpers.UnwrapCCW(pThis, out Interface __object); if (__hr.Failed) { return __hr; } return __object.GiveFeedback(dwEffect); } catch (Exception ex) { return (winmdroot.Foundation.HRESULT)ex.HResult; } } /// <summary>Enables a source application to give visual feedback to the end user during a drag-and-drop operation by providing the DoDragDrop function with an enumeration value specifying the visual effect.</summary> /// <param name="dwEffect">The <a href="https://docs.microsoft.com/windows/desktop/com/dropeffect-constants">DROPEFFECT</a> value returned by the most recent call to <a href="https://docs.microsoft.com/windows/desktop/api/oleidl/nf-oleidl-idroptarget-dragenter">IDropTarget::DragEnter</a>, <a href="https://docs.microsoft.com/windows/desktop/api/oleidl/nf-oleidl-idroptarget-dragover">IDropTarget::DragOver</a>, or <a href="https://docs.microsoft.com/windows/desktop/api/oleidl/nf-oleidl-idroptarget-dragleave">IDropTarget::DragLeave</a>.</param> /// <returns> /// <para>This method returns S_OK on success. Other possible values include the following. </para> /// <para>This doc was truncated.</para> /// </returns> /// <remarks> /// <para>When your application detects that the user has started a drag-and-drop operation, it should call the <a href="https://docs.microsoft.com/windows/desktop/api/ole2/nf-ole2-dodragdrop">DoDragDrop</a> function. <b>DoDragDrop</b> enters a loop, calling <a href="https://docs.microsoft.com/windows/desktop/api/oleidl/nf-oleidl-idroptarget-dragenter">IDropTarget::DragEnter</a> when the mouse first enters a drop target window, <a href="https://docs.microsoft.com/windows/desktop/api/oleidl/nf-oleidl-idroptarget-dragover">IDropTarget::DragOver</a> when the mouse changes its position within the target window, and <a href="https://docs.microsoft.com/windows/desktop/api/oleidl/nf-oleidl-idroptarget-dragleave">IDropTarget::DragLeave</a> when the mouse leaves the target window. For every call to either <a href="https://docs.microsoft.com/windows/desktop/api/oleidl/nf-oleidl-idroptarget-dragenter">IDropTarget::DragEnter</a> or <a href="https://docs.microsoft.com/windows/desktop/api/oleidl/nf-oleidl-idroptarget-dragover">IDropTarget::DragOver</a>, <a href="https://docs.microsoft.com/windows/desktop/api/ole2/nf-ole2-dodragdrop">DoDragDrop</a> calls <b>IDropSource::GiveFeedback</b>, passing it the DROPEFFECT value returned from the drop target call.</para> /// <para><a href="https://docs.microsoft.com/windows/desktop/api/ole2/nf-ole2-dodragdrop">DoDragDrop</a> calls <a href="https://docs.microsoft.com/windows/desktop/api/oleidl/nf-oleidl-idroptarget-dragleave">IDropTarget::DragLeave</a> when the mouse has left the target window. Then, <b>DoDragDrop</b> calls <b>IDropSource::GiveFeedback</b> and passes the DROPEFFECT_NONE value in the <i>dwEffect</i> parameter. The <i>dwEffect</i> parameter can include DROPEFFECT_SCROLL, indicating that the source should put up the drag-scrolling variation of the appropriate pointer. <h3><a id="Notes_to_Implementers"></a><a id="notes_to_implementers"></a><a id="NOTES_TO_IMPLEMENTERS"></a>Notes to Implementers</h3> This function is called frequently during the <a href="https://docs.microsoft.com/windows/desktop/api/ole2/nf-ole2-dodragdrop">DoDragDrop</a> loop, so you can gain performance advantages if you optimize your implementation as much as possible. <b>IDropSource::GiveFeedback</b> is responsible for changing the cursor shape or for changing the highlighted source based on the value of the <i>dwEffect</i> parameter. If you are using default cursors, you can return DRAGDROP_S_USEDEFAULTCURSORS, which causes OLE to update the cursor for you, using its defaults.</para> /// <para><see href="https://learn.microsoft.com/windows/win32/api/oleidl/nf-oleidl-idropsource-givefeedback#">Read more on learn.microsoft.com</see>.</para> /// </remarks> public winmdroot.Foundation.HRESULT GiveFeedback(winmdroot.System.Ole.DROPEFFECT dwEffect) { return ((delegate *unmanaged [Stdcall]<IDropSource*,winmdroot.System.Ole.DROPEFFECT ,winmdroot.Foundation.HRESULT>)lpVtbl[4])((IDropSource*)Unsafe.AsPointer(ref this), dwEffect); } internal unsafe global::Windows.Win32.Foundation.HRESULT QueryInterface<T>(out T* ppv) where T : unmanaged { Guid guid = typeof(T).GUID; void* pv; var hr = this.QueryInterface(&guid, &pv); if (hr.Succeeded) { ppv = (T*)pv; } else { ppv = null; } return hr; } internal struct Vtbl { internal delegate *unmanaged [Stdcall]<IDropSource*,global::System.Guid* ,void** ,winmdroot.Foundation.HRESULT> QueryInterface_1; internal delegate *unmanaged [Stdcall]<IDropSource*,uint> AddRef_2; internal delegate *unmanaged [Stdcall]<IDropSource*,uint> Release_3; internal delegate *unmanaged [Stdcall]<IDropSource*,winmdroot.Foundation.BOOL ,winmdroot.System.SystemServices.MODIFIERKEYS_FLAGS ,winmdroot.Foundation.HRESULT> QueryContinueDrag_4; internal delegate *unmanaged [Stdcall]<IDropSource*,winmdroot.System.Ole.DROPEFFECT ,winmdroot.Foundation.HRESULT> GiveFeedback_5; } public static void PopulateVTable(Vtbl* vtable) { vtable->QueryContinueDrag_4 = &QueryContinueDrag; vtable->GiveFeedback_5 = &GiveFeedback; } private void** lpVtbl; /// <summary>The IID guid for this interface.</summary> /// <value>{00000121-0000-0000-c000-000000000046}</value> internal static readonly Guid IID_Guid = new Guid(0x00000121, 0x0000, 0x0000, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46); static ref readonly Guid IComIID.Guid { [MethodImpl(MethodImplOptions.AggressiveInlining)] get { ReadOnlySpan<byte> data = new byte[] { 0x21,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46 }; return ref Unsafe.As<byte,Guid>(ref MemoryMarshal.GetReference(data)); } } [Guid("00000121-0000-0000-C000-000000000046"),InterfaceType(ComInterfaceType.InterfaceIsIUnknown),ComImport()] [SupportedOSPlatform("windows5.0")] internal interface Interface { [PreserveSig()] winmdroot.Foundation.HRESULT QueryContinueDrag(winmdroot.Foundation.BOOL fEscapePressed, winmdroot.System.SystemServices.MODIFIERKEYS_FLAGS grfKeyState); [PreserveSig()] winmdroot.Foundation.HRESULT GiveFeedback(winmdroot.System.Ole.DROPEFFECT dwEffect); } } } }