CodeAttributeDeclarationCollection.Contains(CodeAttributeDeclaration) 方法

定義

命名空間:

System.CodeDom

組件:

System.CodeDom.dll

套件:

System.CodeDom v8.0.0

來源:

CodeAttributeDeclarationCollection.cs

取得或設定值，這個值表示集合是否包含指定的 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

要尋找的 CodeAttributeDeclaration 物件。

傳回

Boolean

如果集合包含指定的物件，則為 true，否則為 false。

範例

下列範例會 Contains 使用 方法來搜尋特定 CodeAttributeDeclaration 實例是否存在，並取得找到該實例的索引值。

// Tests for the presence of a CodeAttributeDeclaration in 
// the collection, and retrieves its index if it is found.
array<CodeAttributeArgument^>^temp3 = {gcnew CodeAttributeArgument( gcnew CodePrimitiveExpression( "Test Description" ) )};
CodeAttributeDeclaration^ testdeclaration = gcnew CodeAttributeDeclaration( "DescriptionAttribute",temp3 );
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.
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

另請參閱

• IndexOf(CodeAttributeDeclaration)