This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.
Returns the index of the specified tree node in the collection.
Type: System.Int32The zero-based index of the item found in the tree node collection; otherwise, -1.
If node is not a TreeNode, the IList.IndexOf method returns -1. Therefore, you cannot pass in a string to find the node that has the value of the string as its Text property.
Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1
.NET Framework Client Profile
Supported in: 4, 3.5 SP1