System.Windows.Forms.TabControl.OnSelecting C# (CSharp) Method

		protected virtual void OnSelecting (TabControlCancelEventArgs e)
		{
			TabControlCancelEventHandler eh = (TabControlCancelEventHandler) (Events[SelectingEvent]);
			if (eh != null)
				eh (this, e);

			if (!e.Cancel)
				OnSelected (new TabControlEventArgs (SelectedTab, selected_index, TabControlAction.Selected));
		}