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ToolBar.ToolBarButtonCollection.ContainsKey(String) Method

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Definition

Namespace:
System.Windows.Forms
Assembly:
System.Windows.Forms.dll

Determines if a ToolBarButton with the specified key is contained in the collection.

public:
 virtual bool ContainsKey(System::String ^ key);
public virtual bool ContainsKey (string key);
abstract member ContainsKey : string -> bool
override this.ContainsKey : string -> bool
Public Overridable Function ContainsKey (key As String) As Boolean

Parameters

key
String

The name of the ToolBarButton to search for.

Returns

Boolean

true to indicate a ToolBarButton with the specified key is found; otherwise, false.

Remarks

The Name property corresponds to the key for a ToolBarButton in the ToolBar.ToolBarButtonCollection.

The key comparison is not case-sensitive. If the key parameter is null or an empty string, Item[] returns false.

Applies to