TreeNodeCollection.IndexOfKey(String) Method
Definition
Important
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Returns the index of the first occurrence of a tree node with the specified key.
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 tree node to search for.
Returns
The zero-based index of the first occurrence of a tree node with the specified key, if found; otherwise, -1.
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 Name property corresponds to the key for a TreeNode in the TreeNodeCollection.
The key comparison is not case-sensitive. If key is null or an empty string, the Item[] property returns -1.
