CodeAttributeDeclarationCollection.Contains(CodeAttributeDeclaration) 方法

定義

命名空間:
System.CodeDom
組件:
System.dll

取得或設定一個值，指示集合是否包含指定 CodeAttributeDeclaration 物件。

public:
 bool Contains(System::CodeDom::CodeAttributeDeclaration ^ value);
public bool Contains(System.CodeDom.CodeAttributeDeclaration value);
member this.Contains : System.CodeDom.CodeAttributeDeclaration -> bool
Public Function Contains (value As CodeAttributeDeclaration) As Boolean

參數

value
CodeAttributeDeclaration

CodeAttributeDeclaration要找到的物品。

傳回

Boolean

true若集合包含指定的物件;否則，。 false

範例

以下範例使用該 Contains 方法搜尋特定 CodeAttributeDeclaration 實例的存在，並取得該實例所在的索引值。

// Tests for the presence of a CodeAttributeDeclaration in
// the collection, and retrieves its index if it is found.
CodeAttributeDeclaration testdeclaration = new CodeAttributeDeclaration("DescriptionAttribute", new CodeAttributeArgument(new CodePrimitiveExpression("Test Description")) );
int itemIndex = -1;
if( collection.Contains( testdeclaration ) )
    itemIndex = collection.IndexOf( testdeclaration );

' Tests for the presence of a CodeAttributeDeclaration in the 
' collection, and retrieves its index if it is found.
Dim testdeclaration As New CodeAttributeDeclaration("DescriptionAttribute", New CodeAttributeArgument(New CodePrimitiveExpression("Test Description")))
Dim itemIndex As Integer = -1
If collection.Contains(testdeclaration) Then
    itemIndex = collection.IndexOf(testdeclaration)
End If

適用於

另請參閱