public static void DockHorizontal(LayoutContent layoutContent, ILayoutElement paneRelativeTo, GridLength dockHeight, bool dockBefore = false)
{
if (paneRelativeTo is ILayoutDocumentPane parentDocumentPane)
{
var parentDocumentGroup = paneRelativeTo.FindParent <LayoutDocumentPaneGroup>();
if (parentDocumentGroup == null)
{
var grandParent = parentDocumentPane.Parent as ILayoutContainer;
parentDocumentGroup = new LayoutDocumentPaneGroup()
{
Orientation = System.Windows.Controls.Orientation.Vertical
};
grandParent.ReplaceChild(paneRelativeTo, parentDocumentGroup);
parentDocumentGroup.Children.Add(parentDocumentPane);
}
parentDocumentGroup.Orientation = System.Windows.Controls.Orientation.Vertical;
int indexOfParentPane = parentDocumentGroup.IndexOfChild(parentDocumentPane);
var layoutDocumentPane = new LayoutDocumentPane(layoutContent)
{
DockHeight = dockHeight
};
parentDocumentGroup.InsertChildAt(dockBefore ? indexOfParentPane : indexOfParentPane + 1, layoutDocumentPane);
layoutContent.IsActive = true;
layoutContent.Root.CollectGarbage();
Application.Current.MainWindow.Dispatcher.Invoke(() => {
layoutDocumentPane.DockHeight = dockHeight;
}, System.Windows.Threading.DispatcherPriority.Loaded);
}
}