protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (CaptionRect.Contains(e.Location))
{
CaptionState = ControlState.Pressed;
OnCaptionMouseDown(e);
}
}
protected override void OnMouseCaptureChanged(EventArgs e)
{
base.OnMouseCaptureChanged(e);
if (CaptionState == ControlState.Pressed &&
!CaptionRect.Contains(base.PointToClient(Control.MousePosition)))
{
CaptionState = ControlState.Normal;
OnCaptionMouseLeave(e);
System.Diagnostics.Trace.WriteLine("============================");
}
}
protected override void OnMouseUp(MouseEventArgs e)
{
base.OnMouseUp(e);
if (CaptionState == ControlState.Pressed &&
CaptionRect.Contains(e.Location))
{
CaptionState = ControlState.Hover;
OnCaptionMouseUp(e);
OnCaptionMouseClick(e);
}
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
if (CaptionRect.Contains(e.Location))
{
if (CaptionState == ControlState.Normal)
{
CaptionState = ControlState.Hover;
OnCaptionMouseEnter(e);
}
OnCaptionMouseMove(e);
}
else
{
if (CaptionState == ControlState.Hover)
{
CaptionState = ControlState.Normal;
OnCaptionMouseLeave(e);
}
}
}
private bool WmNcHitTest(ref Message m)
{
int para = m.LParam.ToInt32();
int x0 = WinAPI.LOWORD(para);
int y0 = WinAPI.HIWORD(para);
Point p = PointToClient(new Point(x0, y0));
if (Resizable)
{
if (TopLeftRect.Contains(p))
{
m.Result = new IntPtr((int)WinAPI.NCHITTEST.HTTOPLEFT);
return(true);
}
if (TopRect.Contains(p))
{
m.Result = new IntPtr((int)WinAPI.NCHITTEST.HTTOP);
return(true);
}
if (TopRightRect.Contains(p))
{
m.Result = new IntPtr((int)WinAPI.NCHITTEST.HTTOPRIGHT);
return(true);
}
if (LeftRect.Contains(p))
{
m.Result = new IntPtr((int)WinAPI.NCHITTEST.HTLEFT);
return(true);
}
if (RightRect.Contains(p))
{
m.Result = new IntPtr((int)WinAPI.NCHITTEST.HTRIGHT);
return(true);
}
if (BottomLeftRect.Contains(p))
{
m.Result = new IntPtr((int)WinAPI.NCHITTEST.HTBOTTOMLEFT);
return(true);
}
if (BottomRect.Contains(p))
{
m.Result = new IntPtr((int)WinAPI.NCHITTEST.HTBOTTOM);
return(true);
}
if (BottomRightRect.Contains(p))
{
m.Result = new IntPtr((int)WinAPI.NCHITTEST.HTBOTTOMRIGHT);
return(true);
}
}
if (IconRect.Contains(p))
{
m.Result = new IntPtr((int)WinAPI.NCHITTEST.HTSYSMENU);
return(true);
}
if (CloseBoxRect.Contains(p) || MaxBoxRect.Contains(p) || MinBoxRect.Contains(p))
{
m.Result = new IntPtr((int)WinAPI.NCHITTEST.HTCLIENT);
return(true);
}
if (IsMdiContainer && _mdiBarController != null)
{
if (_mdiBarController.HitTestBounds.Contains(p))
{
m.Result = new IntPtr((int)WinAPI.NCHITTEST.HTCLIENT);
return(true);
}
}
if (CaptionRect.Contains(p))
{
m.Result = new IntPtr((int)WinAPI.NCHITTEST.HTCAPTION);
return(true);
}
m.Result = new IntPtr((int)WinAPI.NCHITTEST.HTCLIENT);
return(true);
}