/// <summary>
///
/// </summary>
/// <param name="m"></param>
protected override void WndProc(ref Message m)
{
switch (m.Msg)
{
case NativeMethods.WM_NCLBUTTONUP:
this.captionCapture = false;
if (this.captionDoubleClick)
{
RestoreAllDockWindows();
this.captionDoubleClick = false;
return;
}
break;
case NativeMethods.WM_NCLBUTTONDBLCLK:
if (m.WParam.ToInt64() == NativeMethods.HTCAPTION)
{
this.captionDoubleClick = true;
}
break;
case NativeMethods.WM_NCLBUTTONDOWN:
//Handle NC_LBUTTONDOWN to prevent WM_ENTERSIZEMOVE modal loop
if (m.WParam.ToInt64() == NativeMethods.HTCAPTION && this.IsInDragArea())
{
this.captionDoubleClick = false;
this.captionCapture = true;
captionDragStart = Control.MousePosition;
ControlHelper.BringToFront(m.HWnd, true);
return;
}
break;
case NativeMethods.WM_NCMOUSEMOVE:
if (captionCapture)
{
if (Control.MouseButtons != MouseButtons.Left)
{
captionCapture = false;
}
else if (DockHelper.ShouldBeginDrag(Control.MousePosition, this.captionDragStart))
{
this.dockManager.BeginDrag(this);
}
return;
}
break;
case NativeMethods.WM_NCHITTEST:
if (this.dragged)
{
//we are not target of mouse input while being dragged
m.Result = new IntPtr(NativeMethods.HTTRANSPARENT);
return;
}
break;
case NativeMethods.WM_NCRBUTTONDOWN:
//prevent right-button down within the non-client area
if (this.dockManager != null)
{
return;
}
break;
case NativeMethods.WM_NCRBUTTONUP:
if (this.dockManager == null)
{
break;
}
DockWindow activeWindow = this.dockManager.ActiveWindow;
if (activeWindow == null || activeWindow.FloatingParent != this)
{
break;
}
ContextMenuService service = this.DockManager.GetService <ContextMenuService>(ServiceConstants.ContextMenu);
if (service != null)
{
service.DisplayContextMenu(this.dockManager.ActiveWindow, Control.MousePosition);
}
return;
}
base.WndProc(ref m);
}