TcxCustomTreeList.OnNodeCheckChanging Event

Enables you to prohibit a node from changing its checked state.

Declaration

property OnNodeCheckChanging: TcxTreeListNodeCheckChangingEvent read; write;

Remarks

This event fires when an end-user or one of the following node members is about to change the checked state:

• The CheckClick method

• The Checked or CheckState property

Sender specifies the tree list.

ANode specifies the node whose checked state is about to be changed to the AState.

Pass False as the Allow parameter to prohibit the state change and suspend the OnNodeCheckChanged event.