TreeNodeStyleCollection.Contains(TreeNodeStyle) 方法

定义

确定指定的 TreeNodeStyle 对象是否在集合中。Determines whether the specified TreeNodeStyle object is in the collection.

public:
 bool Contains(System::Web::UI::WebControls::TreeNodeStyle ^ style);
public bool Contains (System.Web.UI.WebControls.TreeNodeStyle style);
member this.Contains : System.Web.UI.WebControls.TreeNodeStyle -> bool
Public Function Contains (style As TreeNodeStyle) As Boolean

参数

style
TreeNodeStyle

要查找的 TreeNodeStyleThe TreeNodeStyle to find.

返回

Boolean

如果指定的 TreeNodeStyle 对象包含在集合中,则为 true;否则为 falsetrue, if the specified TreeNodeStyle object is contained in the collection; otherwise, false.

注解

使用 Contains 方法可确定对象中是否 TreeNodeStyle 包含对象 TreeNodeStyleCollectionUse the Contains method to determine whether a TreeNodeStyle object is contained in the TreeNodeStyleCollection object. Contains方法通常用于在 TreeNodeStyle 执行任务之前测试对象是否存在,例如,在集合中添加或删除节点。The Contains method is commonly used to test for the existence of a TreeNodeStyle object before performing a task, such as adding or removing the node from the collection.

适用于

另请参阅