public bool HookProc(IntPtr wParam, IntPtr lParam, MouseStruct data)
{
switch (wParam.ToInt32())
{
case NativeMethods.WM_MOUSEMOVE:
if (CaptureMode == CaptureMode.Window)
{
SetFocusedWindow(WindowHelper.ChildFromPoint(Control.MousePosition));
}
break;
case NativeMethods.WM_LBUTTONDOWN:
if (CaptureMode != CaptureMode.Unknown)
{
switch (CaptureMode)
{
case CaptureMode.Drag:
isDragging = true;
dragStartPosition = new Point(data.x, data.y);
BeginDragCapture?.Invoke(this, dragStartPosition);
break;
case CaptureMode.Window:
// TODO: Window Capture
break;
}
return(true);
}
break;
case NativeMethods.WM_LBUTTONUP:
if (CaptureMode == CaptureMode.Drag && isDragging)
{
isDragging = false;
var sw = new Stopwatch();
var dragEndPosition = new Point(data.x, data.y);
EndDragCapture?.Invoke(this, dragEndPosition);
RunCapture(
RectangleEx.GetRectangle(
dragStartPosition,
dragEndPosition));
return(true);
}
else if (CaptureMode == CaptureMode.Window)
{
if (focusedWindow != IntPtr.Zero)
{
IntPtr captureHandle = focusedWindow;
SetFocusedWindow(IntPtr.Zero);
EndCapture(null /* ScreenCapture.Capture(captureHandle) */);
}
return(true);
}
break;
}
return(false);
}