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ToolStripItemCollection.ContainsKey Method

Determines whether the collection contains an item with the specified key.

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

public virtual bool ContainsKey(
	string key


Type: System.String

The key to locate in the ToolStripItemCollection.

Return Value

Type: System.Boolean
true if the ToolStripItemCollection contains a ToolStripItem with the specified key; otherwise, false.

The key parameter value corresponds to the ToolStripItem.Name property.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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