bool IMessageFilter.PreFilterMessage(ref Message m)
{
if (m.Msg == WM_MOUSEWHEEL)
{
var left = (int)m.LParam & 0xFFFF;
var top = ((int)m.LParam >> 16) & 0xFFFF;
var controlHandle = WindowFromPoint(new POINT(left, top));
var args = new WheelInterceptedEventArgs(controlHandle, m.HWnd);
if (WheelIntercepted != null)
{
WheelIntercepted(this, args);
}
if (args.DestinationHandle != IntPtr.Zero)
{
SendMessage(args.DestinationHandle, m.Msg, m.WParam, m.LParam);
return(true);
}
}
return(false);
}
bool IMessageFilter.PreFilterMessage(ref Message m)
{
if (m.Msg == WM_MOUSEWHEEL)
{
var left = (int)m.LParam & 0xFFFF;
var top = ((int)m.LParam >> 16) & 0xFFFF;
var controlHandle = WindowFromPoint(new POINT(left, top));
var args = new WheelInterceptedEventArgs(controlHandle, m.HWnd);
if (WheelIntercepted != null)
WheelIntercepted(this, args);
if (args.DestinationHandle != IntPtr.Zero)
{
SendMessage(args.DestinationHandle, m.Msg, m.WParam, m.LParam);
return true;
}
}
return false;
}