/// <summary>
/// Gets the <see cref="WinFormsToolStripItemProvider"/> for this <see cref="ToolStripItem"/>.
/// </summary>
/// <param name="source">The source menu.</param>
/// <returns>The <see cref="WinFormsToolStripItemProvider"/> for this <see cref="ToolStripItem"/>.</returns>
public static ITreeMappingProvider GetTreeMappingProvider(this ToolStripItem source)
{
var controlProvider = source.Get <WinFormsToolStripItemProvider>();
// Assign the ToolStripItem source.
controlProvider.Source = source;
return(controlProvider);
}