private void AddCustomContextMenuItem()
{
DelegateCommand highlightCommand = null;
Action <object> highlightCommandAction = new Action <object>((parameter) =>
{
this.radSpreadsheet.ActiveWorksheetEditor.Selection.Cells.SetFill(highlightFill);
highlightCommand.InvalidateCanExecute();
});
Predicate <object> highlightCommandPredicate = new Predicate <object>((obj) =>
{
RadWorksheetEditor editor = this.radSpreadsheet.ActiveWorksheetEditor;
if (editor != null)
{
PatternFill patternFill = editor.Worksheet.Cells[editor.Selection.ActiveRange.SelectedCellRange].GetFill().Value as PatternFill;
if (patternFill != null)
{
return(!patternFill.Equals(highlightFill));
}
}
return(false);
});
highlightCommand = new SelectionDependentCommand(this.radSpreadsheet, highlightCommandAction, highlightCommandPredicate);
RadMenuItem newItem = new RadMenuItem();
newItem.Header = ContextMenuItemHeader;
newItem.Command = highlightCommand;
this.radSpreadsheet.WorksheetEditorContextMenu.Items.Add(newItem);
}