public bool PreFilterMessage(ref Message m)
{
try {
Win32.WindowsMessages message = (Win32.WindowsMessages)m.Msg;
if (message == Win32.WindowsMessages.WM_LBUTTONUP)
{
return(ProcessMouseMessage(ref m, MouseButtons.Left, true));
}
else if (message == Win32.WindowsMessages.WM_RBUTTONUP)
{
return(ProcessMouseMessage(ref m, MouseButtons.Right, true));
}
else if (message == Win32.WindowsMessages.WM_MBUTTONUP)
{
return(ProcessMouseMessage(ref m, MouseButtons.Middle, true));
}
else if (message == Win32.WindowsMessages.WM_LBUTTONDOWN)
{
return(ProcessMouseMessage(ref m, MouseButtons.Left, false));
}
else if (message == Win32.WindowsMessages.WM_RBUTTONDOWN)
{
return(ProcessMouseMessage(ref m, MouseButtons.Right, false));
}
else if (message == Win32.WindowsMessages.WM_MBUTTONDOWN)
{
return(ProcessMouseMessage(ref m, MouseButtons.Middle, false));
}
else if (message == Win32.WindowsMessages.WM_LBUTTONDBLCLK)
{
return(ProcessDblClickMessage(ref m, MouseButtons.Left));
}
else if (message == Win32.WindowsMessages.WM_RBUTTONDBLCLK)
{
return(ProcessDblClickMessage(ref m, MouseButtons.Right));
}
else if (message == Win32.WindowsMessages.WM_MBUTTONDBLCLK)
{
return(ProcessDblClickMessage(ref m, MouseButtons.Middle));
}
else if (message == Win32.WindowsMessages.WM_MOUSEWHEEL)
{
return(ProcessMouseWheelMessage(ref m));
}
else if (message == Win32.WindowsMessages.WM_KEYDOWN)
{
return(ProcessKeyMessage(ref m, false));
}
else if (message == Win32.WindowsMessages.WM_KEYUP)
{
return(ProcessKeyMessage(ref m, true));
}
else if (message == Win32.WindowsMessages.WM_CHAR)
{
return(ProcessKeyCharMessage(ref m));
}
return(false);
}
catch {
return(false);
}
}
private static IntPtr MyWndProc(IntPtr hWnd, Win32.WindowsMessages message, IntPtr wParam, IntPtr lParam)
{
switch (message)
{
case Win32.WindowsMessages.MOUSEMOVE:
UInt16 x = (UInt16)((int)lParam & 0xFFFF);
UInt16 y = (UInt16)(((int)lParam >> 16) & 0xFFFF);
unsafe
{
Int16 ix = *(Int16 *)&x; Int16 iy = *(Int16 *)&y;
UpdateMouse(ix, iy);
}
return(IntPtr.Zero);
case Win32.WindowsMessages.SIZE:
UpdateWindowSize((int)lParam & 0xFFFF, (int)(((int)lParam >> 16) & 0xFFFF));
return(IntPtr.Zero);
case Win32.WindowsMessages.MOUSEWHEEL:
UpdateMouseWheel(((short)((int)wParam >> 16)));
return(IntPtr.Zero);
case Win32.WindowsMessages.MOUSELEAVE:
UpdateMouseFocus(false);
return(IntPtr.Zero);
case Win32.WindowsMessages.SETFOCUS:
UpdateKeyFocus(true);
return(IntPtr.Zero);
case Win32.WindowsMessages.KILLFOCUS:
UpdateKeyFocus(false);
return(IntPtr.Zero);
case Win32.WindowsMessages.KEYDOWN:
UpdateKeyState((int)mapKeys[(int)wParam], true);
return(IntPtr.Zero);
case Win32.WindowsMessages.KEYUP:
UpdateKeyState((int)mapKeys[(int)wParam], false);
return(IntPtr.Zero);
case Win32.WindowsMessages.LBUTTONDOWN:
UpdateMouseState(0, true);
return(IntPtr.Zero);
case Win32.WindowsMessages.LBUTTONUP:
UpdateMouseState(0, false);
return(IntPtr.Zero);
case Win32.WindowsMessages.RBUTTONDOWN:
UpdateMouseState(1, true);
return(IntPtr.Zero);
case Win32.WindowsMessages.RBUTTONUP:
UpdateMouseState(1, false);
return(IntPtr.Zero);
case Win32.WindowsMessages.MBUTTONDOWN:
UpdateMouseState(2, true);
return(IntPtr.Zero);
case Win32.WindowsMessages.MBUTTONUP:
UpdateMouseState(2, false);
return(IntPtr.Zero);
case Win32.WindowsMessages.CLOSE:
Terminate();
return(IntPtr.Zero);
case Win32.WindowsMessages.PAINT:
{
IntPtr hDC;
hDC = Win32.BeginPaint(hWnd, out Win32.PAINTSTRUCT ps);
Win32.EndPaint(hWnd, ref ps);
return(IntPtr.Zero);
}
case Win32.WindowsMessages.DESTROY:
Win32.PostQuitMessage(0);
return(IntPtr.Zero);
default:
return(Win32.DefWindowProc(hWnd, message, wParam, lParam));
}
}
public static int SendMessage(IntPtr hWnd, Win32.WindowsMessages Msg, IntPtr wParam, IntPtr lParam)
{
return(UnsafeNativeMethods.SendMessage(hWnd, (int)Msg, wParam, lParam));
}
