protected override void UnExecuteCore()
{
if (row != -1 && rowDefinition != null)
{
grid.InsertRowDefinitionCore(rowDefinition, row);
}
if (column != -1 && columnDefinition != null)
{
grid.InsertColumnDefinitionCore(columnDefinition, column);
}
}
protected override void ExecuteCore()
{
grid.InsertRowDefinitionCore(this.rowDefinition, this.rowIndex);
}