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Version: 4.1

TreeViewCancelEventHandler

Namespace: Wisej.Web

Assembly: Wisej.Framework (4.1.0.0)

Represents the method that will handle the BeforeCheck, BeforeCollapse, BeforeExpand, or BeforeSelect event of a TreeView.

public delegate void TreeViewCancelEventHandler(Object sender, TreeViewCancelEventArgs e)

Parameters​

NameTypeDescription
senderObjectThe source of the event.
eTreeViewCancelEventArgsA TreeViewCancelEventArgs that contains the event data.

Fired By​

NameDescription
TreeNode.BeforeCheckOccurs before the tree node check box is checked.
TreeNode.BeforeCollapseOccurs before the tree node is collapsed.
TreeNode.BeforeExpandOccurs before the tree node is expanded.
TreeNode.BeforeSelectOccurs before the tree node is selected.
TreeView.BeforeCheckOccurs before the tree node check box is checked.
TreeView.BeforeCollapseOccurs before the tree node is collapsed.
TreeView.BeforeExpandOccurs before the tree node is expanded.
TreeView.BeforeSelectOccurs before the tree node is selected.