Clicks a tab
#include <GuiTab.au3>
_GUICtrlTab_ClickTab ( $hWnd, $iIndex [, $sButton = "left" [, $bMove = False [, $iClicks = 1 [, $iSpeed = 1]]]] )
| $hWnd | Control ID/Handle to the control | 
| $iIndex | Specifies the 0-based index of the item | 
| $sButton | [optional] Button to click with | 
| $bMove | [optional] If True, the mouse will be moved. If False, the mouse does not move. | 
| $iClicks | [optional] Number of clicks | 
| $iSpeed | [optional] Mouse movement speed | 
#include "Extras\HelpFileInternals.au3"
#include <GUIConstantsEx.au3>
#include <GuiTab.au3>
#include <MsgBoxConstants.au3>
Example()
Func Example()
    ; Create GUI
    Local $hGUI = GUICreate("Tab Control Click Tab - v(" & @AutoItVersion & ")", 450, 300, 100, 100)
    Local $idTab = GUICtrlCreateTab(2, 2, 446, 266)
    _MemoMsgBoxStatus() ; Status creation
    GUISetState(@SW_SHOW)
    ; Add tabs
    _GUICtrlTab_InsertItem($idTab, 0, "Tab 0")
    _GUICtrlTab_InsertItem($idTab, 1, "Tab 1")
    _GUICtrlTab_InsertItem($idTab, 2, "Tab 2")
    _MemoMsgBox($MB_SYSTEMMODAL, "Information", "Tab Control Click")
    ; Click Tab
    _GUICtrlTab_ClickTab($idTab, 1, "left", True, 100)
    _MemoMsgBoxStatus("", -1, $hGUI) ; no more action, wait GUI for closing
EndFunc   ;==>Example