BExplorer.Shell.ShellView.Column_OnClick C# (CSharp) Méthode

    private void Column_OnClick(Int32 iItem) {
      var rect = new User32.RECT();
      IntPtr headerhandle = User32.SendMessage(this.LVHandle, MSG.LVM_GETHEADER, 0, 0);

      if (User32.SendMessage(headerhandle, MSG.HDM_GETITEMDROPDOWNRECT, iItem, ref rect) == 0) throw new Win32Exception();
      var pt = this.PointToScreen(new DPoint(rect.Left, rect.Bottom));
      this.OnListViewColumnDropDownClicked?.Invoke(this.Collumns[iItem], new ListViewColumnDropDownArgs(iItem, pt));
    }