GetExpressionDialog.Result Command_Expression_Copy_Dialog() => GetExpressionDialog.Run(WindowParent, GetVariables());
GetExpressionDialog.Result Command_File_Save_SaveAsByExpression_Dialog() => GetExpressionDialog.Run(WindowParent, GetVariables(), Selections.Count);
GetExpressionDialog.Result Command_Table_Select_RowsByExpression_Dialog() { var table = GetTable(); return(GetExpressionDialog.Run(WindowParent, GetTableVariables(table), table.NumRows)); }