ToolBar.ToolBarButtonCollection.ContainsKey Method (String)


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

Namespace:   System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

public virtual bool ContainsKey(
	string key


Type: System.String

The name of the ToolBarButton to search for.

Return Value

Type: System.Boolean

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

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.

.NET Framework
Available since 2.0
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