Control.ControlCollection.IndexOfKey(String) Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Retrieves the index of the first occurrence of the specified item within the collection.
public:
virtual int IndexOfKey(System::String ^ key);public virtual int IndexOfKey (string key);public virtual int IndexOfKey (string? key);abstract member IndexOfKey : string -> int
override this.IndexOfKey : string -> intPublic Overridable Function IndexOfKey (key As String) As IntegerParameters
- key
- String
The name of the control to search for.
Returns
The zero-based index of the first occurrence of the control with the specified name in the collection.
Remarks
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 key comparison is not case-sensitive. If the key parameter is null or an empty string, or an item with the specified key is not found, IndexOfKey returns -1.
The Name property of a Control corresponds to the key for a Control in the Control.ControlCollection.
