protected override void WndProc(ref Message m)
{
if (m.Msg == (int)Win32.Msgs.WM_NCCALCSIZE)
{
Win32.RECT rect = (Win32.RECT)m.GetLParam(typeof(Win32.RECT));
m_sizeFrame = new Size(rect.right - rect.left, rect.bottom - rect.top);
base.WndProc(ref m);
rect.left += BorderWidth;
rect.right -= BorderWidth;
rect.top += BorderWidth;
rect.bottom -= BorderWidth;
Marshal.StructureToPtr(rect, m.LParam, true);
return;
}
else if (m.Msg == (int)Win32.Msgs.WM_NCPAINT)
{
if (BorderWidth <= 0)
{
return;
}
IntPtr hDC = User32.GetWindowDC(m.HWnd);
Graphics g = Graphics.FromHdc(hDC);
Rectangle rectFrame = new Rectangle(0, 0, m_sizeFrame.Width, m_sizeFrame.Height);
using (Region regionBorder = new Region(rectFrame))
{
regionBorder.Xor(Rectangle.Inflate(rectFrame, -BorderWidth, -BorderWidth));
g.FillRegion(SystemBrushes.ControlDark, regionBorder);
}
User32.ReleaseDC(m.HWnd, hDC);
return;
}
else if (m.Msg == (int)Win32.Msgs.WM_MOUSEACTIVATE)
{
if (!ContentWindow.FlagMouseActivate)
{
ContentWindow.FlagMouseActivate = true;
base.WndProc(ref m);
ContentWindow.FlagMouseActivate = false;
ContentWindow.Activate();
}
else
{
base.WndProc(ref m);
}
return;
}
else if (m.Msg == (int)Win32.Msgs.WM_LBUTTONDBLCLK)
{
base.WndProc(ref m);
HitTestResult hitTestResult = GetHitTest();
if (hitTestResult.HitArea != HitTestArea.Caption)
{
return;
}
if (DockHelper.IsDockStateAutoHide(DockState))
{
DockManager.ActiveAutoHideContent = null;
return;
}
if (DockHelper.IsDockStateDocked(DockState) && ContentWindow.IsDockStateValid(DockState.Float))
{
ContentWindow.VisibleState = DockState.Float;
}
else if (DockState == DockState.Float && ContentWindow.RestoreState != DockState.Unknown &&
ContentWindow.IsDockStateValid(ContentWindow.RestoreState))
{
ContentWindow.VisibleState = ContentWindow.RestoreState;
}
return;
}
base.WndProc(ref m);
return;
}
