<PackageReference Include="System.Drawing.Common" Version="10.0.0-rc.1.25451.107" />

IDropTargetHelper

struct IDropTargetHelper : IVTable<IDropTargetHelper, Vtbl>, IVTable, IComIID
public static void PopulateVTable(Vtbl* vtable)

public uint AddRef()

public HRESULT DragEnter(HWND hwndTarget, IDataObject* pDataObject, Point* ppt, DROPEFFECT dwEffect)

Notifies the drag-image manager that the drop target's IDropTarget::DragEnter method has been called.

public HRESULT DragLeave()

Notifies the drag-image manager that the drop target's IDropTarget::DragLeave method has been called.

public HRESULT DragOver(Point* ppt, DROPEFFECT dwEffect)

Notifies the drag-image manager that the drop target's IDropTarget::DragOver method has been called.

public HRESULT Drop(IDataObject* pDataObject, Point* ppt, DROPEFFECT dwEffect)

Notifies the drag-image manager that the drop target's IDropTarget::Drop method has been called.

public HRESULT QueryInterface(Guid* riid, Void** ppvObject)

public uint Release()

public HRESULT Show(BOOL fShow)

Notifies the drag-image manager to show or hide the drag image.