CodeExpressionCollection.Contains(CodeExpression) Metode

Definisi

Ruang nama:

System.CodeDom

Rakitan:

System.CodeDom.dll

Paket:

System.CodeDom v8.0.0

Sumber:

CodeExpressionCollection.cs

Mendapatkan nilai yang menunjukkan apakah koleksi berisi objek yang ditentukan CodeExpression .

public:
 bool Contains(System::CodeDom::CodeExpression ^ value);

public bool Contains (System.CodeDom.CodeExpression value);

member this.Contains : System.CodeDom.CodeExpression -> bool

Public Function Contains (value As CodeExpression) As Boolean

Parameter

value

CodeExpression

Objek CodeExpression yang akan ditemukan dalam koleksi.

Mengembalikan

Boolean

true jika koleksi berisi objek yang ditentukan; jika tidak, false.

Contoh

Contoh berikut menggunakan Contains metode untuk mencari keberadaan objek tertentu CodeExpression dan mendapatkan nilai indeks tempatnya ditemukan.

// Tests for the presence of a CodeExpression in the 
// collection, and retrieves its index if it is found.
CodeExpression^ testComment = gcnew CodePrimitiveExpression( true );
int itemIndex = -1;
if ( collection->Contains( testComment ) )
   itemIndex = collection->IndexOf( testComment );

// Tests for the presence of a CodeExpression in the
// collection, and retrieves its index if it is found.
CodeExpression testComment = new CodePrimitiveExpression(true);
int itemIndex = -1;
if( collection.Contains( testComment ) )
    itemIndex = collection.IndexOf( testComment );

' Tests for the presence of a CodeExpression in the 
' collection, and retrieves its index if it is found.
Dim testComment = New CodePrimitiveExpression(True)
Dim itemIndex As Integer = -1
If collection.Contains(testComment) Then
    itemIndex = collection.IndexOf(testComment)
End If

Lihat juga

• IndexOf(CodeExpression)