unsafe HRESULT IOleInPlaceSite.OnPosRectChange(RECT *lprcPosRect)
{
if (lprcPosRect is null)
{
return(HRESULT.E_INVALIDARG);
}
// The MediaPlayer control has a AllowChangeDisplaySize property that users
// can set to control size changes at runtime, but the control itself ignores that and sets the new size.
// We prevent this by not allowing controls to call OnPosRectChange(), unless we instantiated the resize.
// visual basic6 does the same.
//
bool useRect = true;
if (AxHost.windowsMediaPlayer_Clsid.Equals(host.clsid))
{
useRect = host.GetAxState(AxHost.handlePosRectChanged);
}
if (useRect)
{
Debug.WriteLineIf(AxHTraceSwitch.TraceVerbose, "in OnPosRectChange" + lprcPosRect->ToString());
RECT clipRect = WebBrowserHelper.GetClipRect();
host.GetInPlaceObject().SetObjectRects(lprcPosRect, &clipRect);
host.MakeDirty();
}
else
{
Debug.WriteLineIf(AxHTraceSwitch.TraceVerbose, "Control directly called OnPosRectChange... ignoring the new size");
}
return(HRESULT.S_OK);
}
internal override void Execute(AxHost ctl)
{
if (this.dirties)
{
ctl.MakeDirty();
}
ctl.DoVerb(base.id);
}
