private void treeList1_FilterNode(object sender, DevExpress.XtraTreeList.FilterNodeEventArgs e)
{
string NodeText = e.Node["CountryName"].ToString();
bool IsVisible = NodeText == "中国";
if (IsVisible)
{
DevExpress.XtraTreeList.Nodes.TreeListNode Node = e.Node.ParentNode;
while (Node != null)
{
if (!Node.Visible)
{
Node.Visible = true;
Node = Node.ParentNode;
}
else
{
break;
}
}
}
e.Node.Visible = IsVisible;
e.Handled = true;
}
private void popTree_FilterNode(object sender, DevExpress.XtraTreeList.FilterNodeEventArgs e)
{
string _key = string.Format("{0}", e.Node[_DropDisplayName]).ToUpper();
string _filterTxt = this.Text.ToUpper();
bool _isVisible = _filterTxt.Length > 2 ? _key.Contains(_filterTxt) : _key.StartsWith(_filterTxt);
if (this.popTree.Selection.Count == 0 ||
this.popTree.Selection[0].ParentNode == null ||
this.popTree.Selection[0].ParentNode != e.Node)
{
e.Node.Visible = _isVisible;//父项设置不可见后，子项被选中项会被取消
}
if (_isVisible)
{
ExpandedParentNode(e.Node);
}
//if (e.Node.ParentNode != null)
//{
// if (_isVisible &&
// (!e.Node.ParentNode.Visible || !e.Node.ParentNode.Expanded))
// {
// e.Node.ParentNode.Expanded =
// e.Node.ParentNode.Visible = true;
// }
//}
e.Handled = true;
}
private void OnFilterNode(object sender, DevExpress.XtraTreeList.FilterNodeEventArgs e)
{
//List<TreeListColumn> filteredColumns = e.Node.TreeList.Columns.Cast<TreeListColumn>().ToList();
//if (filteredColumns.Count == 0) return;
if (string.IsNullOrEmpty(getValue(treeListLookUpViTriTreeList.FilterPanelText)))
{
return;
}
e.Handled = true;
//e.Node.Visible = filteredColumns.Any(c => IsNodeMatchFilter(e.Node, c));
e.Node.Visible = IsNodeMatchFilter(e.Node, colten);
e.Node.Expanded = e.Node.Visible;
}
private void OnFilterNode(object sender, DevExpress.XtraTreeList.FilterNodeEventArgs e)
{
List <DevExpress.XtraTreeList.Columns.TreeListColumn> filteredColumns = e.Node.TreeList.Columns.Cast <DevExpress.XtraTreeList.Columns.TreeListColumn>(
).ToList();
if (filteredColumns.Count == 0)
{
return;
}
if (string.IsNullOrEmpty(treeListLoaiTB.FindFilterText))
{
return;
}
e.Handled = true;
e.Node.Visible = filteredColumns.Any(c => IsNodeMatchFilter(e.Node, c));
e.Node.Expanded = e.Node.Visible;
}
