public void EnableLine(bool flag)
{
if (RectLeft != null)
{
RectLeft.EnableLine(this, flag);
}
if (RectRight != null)
{
RectRight.EnableLine(this, flag);
}
if (flag)
{
UIController.Instance.EnableLine(_uiLine);
_uiLine.MouseLeftButtonUp -= UiLineOnMouseLeftButtonUp;
}
}
protected override void WndProc(ref Message message)
{
base.WndProc(ref message);
if (message.Msg == 0x84) // WM_NCHITTEST
{
var cursor = this.PointToClient(Cursor.Position);
if (TopLeft.Contains(cursor))
{
message.Result = (IntPtr)HTTOPLEFT;
}
else if (TopRight.Contains(cursor))
{
message.Result = (IntPtr)HTTOPRIGHT;
}
else if (BottomLeft.Contains(cursor))
{
message.Result = (IntPtr)HTBOTTOMLEFT;
}
else if (BottomRight.Contains(cursor))
{
message.Result = (IntPtr)HTBOTTOMRIGHT;
}
else if (RectTop.Contains(cursor))
{
message.Result = (IntPtr)HTTOP;
}
else if (RectLeft.Contains(cursor))
{
message.Result = (IntPtr)HTLEFT;
}
else if (RectRight.Contains(cursor))
{
message.Result = (IntPtr)HTRIGHT;
}
else if (RectBottom.Contains(cursor))
{
message.Result = (IntPtr)HTBOTTOM;
}
}
}