UIA Invoke click for a UIA_ListItemControlTypeId - Is that possible?

[mycloutier]

Have been playing around with UIAWrappers for a bit now and I am facing a challenge when trying to select a specific item in a combo box. I am able to select the combo box item as long as it is visible in the drop down menu. There are 34 different items in the combo box but only 5 are visible in the drop down menu without scrolling down the list ...  This is the code I have so far ...

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#include "UIAWrappers1.au3"
#include <MsgBoxConstants.au3>
#include <File.au3>
#include <FileConstants.au3>

Local $oP10
Local $oP9
Local $oP8
Local $oP7
Local $oP6
Local $oP5
Local $oP4
Local $oP3
Local $oP2
Local $oP1
Local $oP0
Local $oUIElement
Local $COMPORT= "COM7"

AutoItSetOption("MustDeclareVars", 1)

ShellExecute("C:\CampSilv\CAMPCuSv.bat")

WinWait("SilverScreen")

Sleep (5000)

Call("InvokeCOM")

Func InvokeCOM()

IF Not WinActive("{CLASS:}", "SilverScreen") Then WinActivate("{CLASS:}", "SilverScreen")

Local $oP6=_UIA_getObjectByFindAll($UIA_oDesktop, "Title:=SilverScreen;controltype:=UIA_WindowControlTypeId;class:=", $treescope_children)
_UIA_Action($oP6,"setfocus")
Local $oP5=_UIA_getObjectByFindAll($oP6, "Title:=MOSS Setup(Version Feb 2013);controltype:=UIA_WindowControlTypeId;class:=#32770", $treescope_children)
_UIA_Action($oP5,"setfocus")
Local $oP4=_UIA_getObjectByFindAll($oP5, "Title:=Setup;controltype:=UIA_ButtonControlTypeId", $treescope_children)
_UIA_Action($oP4,"setfocus")
_UIA_Action($oP3,"invoke")
Local $oP3=_UIA_getObjectByFindAll($UIA_oDesktop, "Title:=SilverScreen;controltype:=UIA_WindowControlTypeId;class:=", $treescope_children)
Local $oP2=_UIA_getObjectByFindAll($oP3, "Title:=Survey import[C:\CAMPSILV\DRW\];controltype:=UIA_WindowControlTypeId;class:=#32770", $treescope_children)
_UIA_Action($oP2,"setfocus")
Local $oP1=_UIA_getObjectByFindAll($oP2, "Title:=Data Source:;controltype:=UIA_ComboBoxControlTypeId;class:=ComboBox", $treescope_children)
_UIA_Action($oP1,"setfocus")
_UIA_Action($oP1,"click")
Local $oP0=_UIA_getObjectByFindAll($oP1, "Title:=Data Source:;controltype:=UIA_ListControlTypeId;class:=ComboLBox", $treescope_subtree)
_UIA_action($oP0,"highlight")
Local $oUIElement=_UIA_getObjectByFindAll($oP0, "Title:=COM7;ControlType:=UIA_ListItemControlTypeId", $treescope_subtree)
_UIA_action($oUIElement,"highlight")
_UIA_action($oUIElement,"click")

EndFunc

The default item selected varies and changes all the time. Is there a way to click an item without having to scroll down the list?

Any ideas or help would be greatly appreciated! Thank you!

Edited July 19, 2015 by mycloutier

[junkew]

Not sure but study example 18. I normally scroll till item is visible. If invoke or click is possible you can see with inspect.exe of windows sdk tools.

Edited July 19, 2015 by junkew

[mycloutier]

I am able to click the desired item as long as it is visible ... inspect says false under IsInvokePatternAvailable. Is there a way to scroll to the desired item list according to its title?

[mycloutier]

If a desired listitem IsOffscreen the value should be set to true ... is there a way to change this value to false in order to make it on screen thus making it available to click?