protected override IntPtr WndProc(IntPtr hwnd, int _msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
var msg = (WM)_msg;
switch (msg)
{
case WM.WM_PAINT:
{
PAINTSTRUCT ps;
var hdc = Import.BeginPaint(hwnd, out ps);
Import.EndPaint(hwnd, ref ps);
}
RaiseEvent(new Win32EventArgs
{
RoutedEvent = Win32Event,
Source = this,
EventType = msg,
});
handled = true;
return IntPtr.Zero;
case WM.WM_SIZE:
RaiseEvent(new Win32EventArgs
{
RoutedEvent = Win32Event,
Source = this,
EventType = msg,
X = lParam.Lo(),
Y = lParam.Hi(),
});
handled = true;
return IntPtr.Zero;
case WM.WM_DESTROY:
RaiseEvent(new Win32EventArgs
{
RoutedEvent = Win32Event,
Source = this,
EventType = msg,
});
handled = true;
return IntPtr.Zero;
case WM.WM_ERASEBKGND:
handled = true;
return IntPtr.Zero;
#region MouseEvent
case WM.WM_LBUTTONDOWN:
RaiseEvent(new Win32EventArgs
{
RoutedEvent = Win32Event,
Source = this,
EventType = msg,
X = lParam.Lo(),
Y = lParam.Hi(),
});
CaptureAndCursor(hwnd);
handled = true;
return IntPtr.Zero;
case WM.WM_LBUTTONUP:
RaiseEvent(new Win32EventArgs
{
RoutedEvent = Win32Event,
Source = this,
EventType = msg,
X = lParam.Lo(),
Y = lParam.Hi(),
});
ReleaseMouse();
handled = true;
return IntPtr.Zero;
case WM.WM_RBUTTONDOWN:
RaiseEvent(new Win32EventArgs
{
RoutedEvent = Win32Event,
Source = this,
EventType = msg,
X = lParam.Lo(),
Y = lParam.Hi(),
});
CaptureAndCursor(hwnd);
handled = true;
return IntPtr.Zero;
case WM.WM_RBUTTONUP:
RaiseEvent(new Win32EventArgs
{
RoutedEvent = Win32Event,
Source = this,
EventType = msg,
X = lParam.Lo(),
Y = lParam.Hi(),
});
ReleaseMouse();
handled = true;
return IntPtr.Zero;
case WM.WM_MBUTTONDOWN:
RaiseEvent(new Win32EventArgs
{
RoutedEvent = Win32Event,
Source = this,
EventType = msg,
X = lParam.Lo(),
Y = lParam.Hi(),
});
CaptureAndCursor(hwnd);
handled = true;
return IntPtr.Zero;
case WM.WM_MBUTTONUP:
RaiseEvent(new Win32EventArgs
{
RoutedEvent = Win32Event,
Source = this,
EventType = msg,
X = lParam.Lo(),
Y = lParam.Hi(),
});
ReleaseMouse();
handled = true;
return IntPtr.Zero;
case WM.WM_MOUSEMOVE:
if (Capture>0)
{
RaiseEvent(new Win32EventArgs
{
RoutedEvent = Win32Event,
Source = this,
EventType = msg,
X = lParam.Lo(),
Y = lParam.Hi(),
});
}
else
{
}
Cursor = Cursors.Hand;
handled = true;
return IntPtr.Zero;
case WM.WM_MOUSEWHEEL:
RaiseEvent(new Win32EventArgs
{
RoutedEvent = Win32Event,
Source = this,
EventType = msg,
Y = (short)wParam.Hi(),
});
handled = true;
return IntPtr.Zero;
#endregion
}
return base.WndProc(hwnd, _msg, wParam, lParam, ref handled);
}
