Bagikan melalui


DesignerVerbCollection.Contains(DesignerVerb) Metode

Definisi

Mendapatkan nilai yang menunjukkan apakah yang ditentukan DesignerVerb ada dalam koleksi.

public:
 bool Contains(System::ComponentModel::Design::DesignerVerb ^ value);
public bool Contains (System.ComponentModel.Design.DesignerVerb value);
public bool Contains (System.ComponentModel.Design.DesignerVerb? value);
member this.Contains : System.ComponentModel.Design.DesignerVerb -> bool
Public Function Contains (value As DesignerVerb) As Boolean

Parameter

value
DesignerVerb

untuk DesignerVerb mencari dalam koleksi.

Mengembalikan

true jika objek yang ditentukan ada dalam koleksi; jika tidak, false.

Contoh

Contoh berikut menggunakan Contains metode untuk mencari keberadaan objek tertentu DesignerVerb dan kemudian mengambil nilai indeks tempatnya ditemukan.

// Tests for the presence of a DesignerVerb in the collection,
// and retrieves its index if it is found.
DesignerVerb^ testVerb = gcnew DesignerVerb( "Example designer verb", gcnew EventHandler( this, &Class1::ExampleEvent ) );
int itemIndex = -1;
if ( collection->Contains( testVerb ) )
         itemIndex = collection->IndexOf( testVerb );
// Tests for the presence of a DesignerVerb in the collection, 
// and retrieves its index if it is found.
DesignerVerb testVerb = new DesignerVerb("Example designer verb", new EventHandler(this.ExampleEvent));
int itemIndex = -1;
if( collection.Contains( testVerb ) )
    itemIndex = collection.IndexOf( testVerb );
' Tests for the presence of a DesignerVerb in the collection, 
' and retrieves its index if it is found.
Dim testVerb As New DesignerVerb("Example designer verb", New EventHandler(AddressOf Me.ExampleEvent))
Dim itemIndex As Integer = -1
If collection.Contains(testVerb) Then
    itemIndex = collection.IndexOf(testVerb)
End If

Berlaku untuk