private bool ShouldPaneDiamondVisible()
{
if (DockPane == null)
{
return(false);
}
if (DragHandler.DragControl == DockPane)
{
return(false);
}
if (DragHandler.DragControl == DockPane.DockListContainer)
{
return(false);
}
IDockableWindow content = DragHandler.DragControl as IDockableWindow;
if (content != null && DockPane.Contents.Contains(content) && DockPane.DisplayingContents.Count == 1)
{
return(false);
}
return(DragHandler.IsDockStateValid(DockPane.DockState));
}
private bool ShouldPanelIndicatorVisible(DockState dockState)
{
if (!Visible)
{
return(false);
}
if (DockPanel.DockWindows[dockState].Visible)
{
return(false);
}
return(DragHandler.IsDockStateValid(dockState));
}
internal void TestDrop(DragHandler dragHandler)
{
if (!dragHandler.IsDockStateValid(DockState) ||
DisplayingList.Count != 1)
{
return;
}
Point ptMouse = Control.MousePosition;
uint lParam = Win32Helper.MakeLong(ptMouse.X, ptMouse.Y);
if (User32.SendMessage(Handle, (int)Win32.Msgs.WM_NCHITTEST, 0, lParam) == (uint)Win32.HitTest.HTCAPTION)
{
dragHandler.DockOutline.Show(DisplayingList[0], -1);
}
}
internal void TestDrop(DragHandler dragHandler)
{
if (!dragHandler.IsDockStateValid(DockState))
{
return;
}
Point ptMouse = Control.MousePosition;
HitTestResult hitTestResult = GetHitTest(ptMouse);
if (hitTestResult.HitArea == HitTestArea.Caption)
{
dragHandler.DockOutline.Show(this, -1);
}
else if (hitTestResult.HitArea == HitTestArea.TabStrip && hitTestResult.Index != -1)
{
dragHandler.DockOutline.Show(this, hitTestResult.Index);
}
}