System.Windows.Forms.ContainerControl.GetMostDeeplyNestedActiveControl C# (CSharp) Method

		private Control GetMostDeeplyNestedActiveControl (ContainerControl container)
		{
			Control active = container.ActiveControl;
			while (active is ContainerControl) {
				if (((ContainerControl)active).ActiveControl == null)
					break;
				active = ((ContainerControl)active).ActiveControl;
			}
			return active;
		}