The TreeNodeCheckingEventArgs class implements argument of the event that occurs before the element checkbox selection is changed.
| Constructor name | Brief description | |
| The Create constructor creates an argument of the event that occurs before the element checkbox selection is changed. |
| Property name | Brief description | |
| The Allow property determines whether it is possible to change selection of the element flag. |
| Property name | Brief description | |
| The Value property returns the set value of the element checkbox selection. |
| Property name | Brief description | |
| Node | The Node property returns the node, for which the event was generated. |
| Property name | Brief description | |
| The TreeControl property returns the component, for which the event was generated. |
See also: