DesignerVerbCollection.Contains(DesignerVerb) 方法

定義

命名空間:

System.ComponentModel.Design

組件:

System.ComponentModel.TypeConverter.dll

來源:

DesignerVerbCollection.cs

取得值，表示指定的 DesignerVerb 是否存在於集合中。

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

參數

value

DesignerVerb

要在集合中搜尋的 DesignerVerb。

傳回

Boolean

如果指定的物件存在於集合中，則為 true，否則為 false。

範例

下列範例會 Contains 使用 方法來搜尋特定 DesignerVerb 物件是否存在，然後擷取找到它的索引值。

// 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