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IndexOfKey Method

ToolBar.ToolBarButtonCollection.IndexOfKey Method

Retrieves the index of the first occurrence of a ToolBarButton with the specified key.

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

public virtual int IndexOfKey(
	string key
)

Parameters

key
Type: System.String

The name of the ToolBarButton to search for.

Return Value

Type: System.Int32
The index of the first occurrence of a ToolBarButton with the specified key, if found; otherwise, -1.

If IndexOfKey is called successively, the last returned index will be checked for a key match first, and if there is no match, the search starts at the beginning of the collection.

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 -1.

.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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