private unsafe IntPtr MouseHookProc(User32.HC nCode, IntPtr wparam, IntPtr lparam)
{
GC.KeepAlive(this);
if (nCode == User32.HC.ACTION)
{
User32.MOUSEHOOKSTRUCT *mhs = (User32.MOUSEHOOKSTRUCT *)lparam;
if (mhs is not null)
{
switch (unchecked ((User32.WM)(long) wparam))
{
case User32.WM.LBUTTONDOWN:
case User32.WM.MBUTTONDOWN:
case User32.WM.RBUTTONDOWN:
case User32.WM.NCLBUTTONDOWN:
case User32.WM.NCMBUTTONDOWN:
case User32.WM.NCRBUTTONDOWN:
case User32.WM.MOUSEACTIVATE:
if (ProcessMouseDown(mhs->hWnd, mhs->pt.X, mhs->pt.Y))
{
return((IntPtr)1);
}
break;
}
}
}
return(User32.CallNextHookEx(new HandleRef(this, _mouseHookHandle), nCode, wparam, lparam));
}
private unsafe IntPtr MouseHookProc(User32.HC nCode, IntPtr wparam, IntPtr lparam)
{
if (_isHooked && nCode == User32.HC.ACTION && lparam != IntPtr.Zero)
{
User32.MOUSEHOOKSTRUCT *mhs = (User32.MOUSEHOOKSTRUCT *)lparam;
try
{
if (ProcessMouseMessage(mhs->hWnd, unchecked ((int)(long)wparam), mhs->pt.X, mhs->pt.Y))
{
return((IntPtr)1);
}
}
catch (Exception ex)
{
_currentAdornerWindow.Capture = false;
if (ex != CheckoutException.Canceled)
{
_currentAdornerWindow._behaviorService.ShowError(ex);
}
if (ClientUtils.IsCriticalException(ex))
{
throw;
}
}
finally
{
_currentAdornerWindow = null;
}
}
Debug.Assert(_isHooked, "How did we get here when we are disposed?");
return(User32.CallNextHookEx(new HandleRef(this, _mouseHookHandle), nCode, wparam, lparam));
}
