private static int DragEnter(IntPtr thisPtr, IntPtr pDataObj, uint grfKeyState, Point pt, uint *pdwEffect)
{
Ole32.IDropTarget inst = ComInterfaceDispatch.GetInstance <Ole32.IDropTarget>((ComInterfaceDispatch *)thisPtr);
var dataObject = WinFormsComWrappers.Instance.GetOrCreateObjectForComInstance(pDataObj, CreateObjectFlags.Unwrap);
return((int)inst.DragEnter(dataObject, grfKeyState, pt, ref *pdwEffect));
}
private static int DragEnter(IntPtr thisPtr, IntPtr pDataObj, uint grfKeyState, Point pt, uint *pdwEffect)
{
try
{
Ole32.IDropTarget instance = ComInterfaceDispatch.GetInstance <Ole32.IDropTarget>((ComInterfaceDispatch *)thisPtr);
var dataObject = WinFormsComWrappers.Instance.GetOrCreateObjectForComInstance(pDataObj, CreateObjectFlags.Unwrap);
return((int)instance.DragEnter(dataObject, grfKeyState, pt, ref *pdwEffect));
}
catch (Exception ex)
{
Debug.WriteLine(ex);
return(ex.HResult);
}
}