private void data_ContentChanged(object sender, EventArgs e)
{
DevExpress.Xpf.Grid.EditGridCellData data = this.DataContext as DevExpress.Xpf.Grid.EditGridCellData;
TreeListNode node = this.treeListView.GetNodeByContent(data.RowData.Row);
this.IsExpand = node.IsExpanded;
this._CheckItems(data.RowData.Row);
}
private void TreeViewExpand_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
DevExpress.Xpf.Grid.EditGridCellData data = this.DataContext as DevExpress.Xpf.Grid.EditGridCellData;
if (this.IsExpand)
{
(data.RowData.View as DevExpress.Xpf.Grid.TreeListView).CollapseNode(data.RowData.RowHandle.Value);
this.IsExpand = false;
}
else
{
(data.RowData.View as DevExpress.Xpf.Grid.TreeListView).ExpandNode(data.RowData.RowHandle.Value);
this.IsExpand = true;
}
e.Handled = true;
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
DevExpress.Xpf.Grid.EditGridCellData data = this.DataContext as DevExpress.Xpf.Grid.EditGridCellData;
data.ContentChanged -= new EventHandler(data_ContentChanged);
data.ContentChanged += new EventHandler(data_ContentChanged);
if (this.treeListView == null)
{
this.treeListView = data.View as DevExpress.Xpf.Grid.TreeListView;
}
if (this.treeView == null)
{
this.treeView = this.treeListView.GetAncestorByType <TreeView>();
}
this._CheckItems(data.RowData.Row);
}