private void HandleEditResultMessage(EditResultMessage editResultMsg)
 {
     if (editResultMsg.IsSaved)
     {
         LoadMatrixTask();
     }
     MatrixTaskPropertiesViewModel = null;
 }
 private void OpenMatrixTaskProperties(MatrixTask matrixTask)
 {
     MatrixTaskPropertiesViewModel = new MatrixTaskPropertiesViewModel(matrixTask, _DataService);
 }