DevExpress.XtraEditors.Repository.RepositoryItemButtonEdit ApplyDisplayEdit;   ApplyDisplayEdit.ButtonClick += new DevExpress.XtraEditors.Controls.ButtonPressedEventHandler(ApplyDisplayEdit_Click);                 TreeListColumn ApplyDisplay = new TreeListColumn();                ApplyDisplay.Caption = "";                ApplyDisplay.FieldName = "ApplyDisplayEdit";                ApplyDisplay.Visible = true;                ApplyDisplay.VisibleIndex = 10;                ApplyDisplay.ColumnEdit = ApplyDisplayProgramEdit;                ListView.Columns.AddRange(new TreeListColumn[]{ApplyDisplay});
  private void ApplyDisplayEdit_Click(object    sender,DevExpress.XtraEditors.Controls.ButtonPressedEventArgs e)
{
  // }我这样添加事件,对不对? 怎么触发不了。