int UnsafeNativeMethods.IOleDropTarget.OleDragOver(int grfKeyState, UnsafeNativeMethods.POINTSTRUCT pt, ref int pdwEffect) {
Debug.WriteLineIf(CompModSwitches.DragDrop.TraceInfo, "OleDragOver recieved");
NativeMethods.POINTL ptl = new NativeMethods.POINTL();
ptl.x = pt.x;
ptl.y = pt.y;
Debug.WriteLineIf(CompModSwitches.DragDrop.TraceInfo, "\t" + (ptl.x) + "," + (ptl.y));
DragEventArgs drgevent = CreateDragEventArgs(null, grfKeyState, ptl, pdwEffect);
owner.OnDragOver(drgevent);
pdwEffect = (int)drgevent.Effect;
lastEffect = drgevent.Effect;
return NativeMethods.S_OK;
}
int UnsafeNativeMethods.IOleDropTarget.OleDragOver(int grfKeyState, long pt, ref int pdwEffect)
{
NativeMethods.POINTL pointl = new NativeMethods.POINTL {
x = this.GetX(pt),
y = this.GetY(pt)
};
DragEventArgs e = this.CreateDragEventArgs(null, grfKeyState, pointl, pdwEffect);
this.owner.OnDragOver(e);
pdwEffect = (int) e.Effect;
this.lastEffect = e.Effect;
return 0;
}
int UnsafeNativeMethods.IOleDropTarget.OleDragEnter(object pDataObj, int grfKeyState, long pt, ref int pdwEffect)
{
NativeMethods.POINTL pointl = new NativeMethods.POINTL {
x = this.GetX(pt),
y = this.GetY(pt)
};
DragEventArgs e = this.CreateDragEventArgs(pDataObj, grfKeyState, pointl, pdwEffect);
if (e != null)
{
this.owner.OnDragEnter(e);
pdwEffect = (int) e.Effect;
this.lastEffect = e.Effect;
}
else
{
pdwEffect = 0;
}
return 0;
}
int UnsafeNativeMethods.IOleDropTarget.OleDragEnter(object pDataObj, int grfKeyState,
UnsafeNativeMethods.POINTSTRUCT pt,
ref int pdwEffect) {
Debug.WriteLineIf(CompModSwitches.DragDrop.TraceInfo, "OleDragEnter recieved");
NativeMethods.POINTL ptl = new NativeMethods.POINTL();
ptl.x = pt.x;
ptl.y = pt.y;
Debug.WriteLineIf(CompModSwitches.DragDrop.TraceInfo, "\t" + (ptl.x) + "," + (ptl.y));
Debug.Assert(pDataObj != null, "OleDragEnter didn't give us a valid data object.");
DragEventArgs drgevent = CreateDragEventArgs(pDataObj, grfKeyState, ptl, pdwEffect);
if (drgevent != null) {
owner.OnDragEnter(drgevent);
pdwEffect = (int)drgevent.Effect;
lastEffect = drgevent.Effect;
}
else {
pdwEffect = (int)DragDropEffects.None;
}
return NativeMethods.S_OK;
}
