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ToolboxItemCollection.Contains(ToolboxItem) Metode

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Definisi

Ruang nama:
System.Drawing.Design
Rakitan:
System.Drawing.dll
Rakitan:
System.Windows.Forms.Design.dll

Menunjukkan apakah koleksi berisi yang ditentukan ToolboxItem.

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

Parameter

value
ToolboxItem

A ToolboxItem untuk mencari koleksi.

Mengembalikan

Boolean

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

Contoh

Contoh kode berikut menunjukkan menggunakan Contains metode dari ToolboxItemCollection.

// If the collection contains the specified ToolboxItem, 
// retrieve the collection index of the specified item.
int indx = -1;
if ( collection->Contains( item ) )
   indx = collection->IndexOf( item );

// If the collection contains the specified ToolboxItem, 
// retrieve the collection index of the specified item.
int indx = -1;
if( collection.Contains( item ) )
    indx = collection.IndexOf( item );

' If the collection contains the specified ToolboxItem, 
' retrieve the collection index of the specified item.
Dim indx As Integer = -1
If collection.Contains(item) Then
    indx = collection.IndexOf(item)
End If

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