private void runFilter(string filter)
{
using (var operation = new FilterNodeOperation(filter, ShowDescendantNode))
{
treeView.DoWithinBatchUpdate(() => treeView.NodesIterator.DoOperation(operation));
}
}
/// <summary>
/// 实现树节点的过滤查询
/// </summary>
private void InitSearchControl1()
{
this.treeList1.OptionsBehavior.Editable = false;
this.treeList1.OptionsView.EnableAppearanceOddRow = true;
this.treeList1.OptionsView.EnableAppearanceEvenRow = true;
//this.treeList1.OptionsView.RowIma = RowImagesShowMode.InCell;//紧凑型图标
//this.treeList1.RowHeight = 20;
this.treeList1.ExpandAll();
this.treeList1.OptionsView.ShowAutoFilterRow = true; //显示过滤行
this.treeList1.OptionsBehavior.EnableFiltering = true; //开启过滤功能
this.treeList1.ColumnFilterChanged += (s, e) => //自定义过滤事件
{
var tree = (TreeList)s;
if (tree != null && tree.ActiveEditor != null)
{
string newKey = tree.ActiveEditor.EditValue.ToString();
tree.FilterNodes();
var operation = new FilterNodeOperation(newKey ?? "");
tree.NodesIterator.DoOperation(operation);
}
};
////初始化树节点选择事件
//this.treeList1.FocusedNodeChanged += (s, e) =>
//{
// this.FocusedNodeChanged(s, e);
//};
}
private void applyFilterButton_Click(object sender, EventArgs e)
{
FilterNodeOperation operation = new FilterNodeOperation(textEdit1.EditValue != null ? textEdit1.EditValue.ToString() : "");
treeList1.NodesIterator.DoOperation(operation);
}
