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Because you find by $treescope_children (default). Try this $oMuteButton = _UIA_getObjectByFindAll($oChrome, 'LegacyIAccessibleName:=Mute;ControlType:=UIA_ButtonControlTypeId', $treescope_subtree) If mouse cursor is over "mute" button, then LegacyIAccessible.Name of "mute" button is empty. But if you move mouse cursor from "mute" button, then LegacyIAccessible.Name will be "Mute".

#initial garbage that spawned other garbage and a garbage explanation by myself see post #14 were i get better

jazzyjeff, I think I have it sorted - this beta version works with the code you posted: Can you please check it out and confirm that it works for you too. M23

Here is a first try: #include <Excel.au3> Global $oExcel = _Excel_Open(True) ; Set this to False to let Excel run in the background Global $oWorkbook, $aUsedRange _ProcessWorkbook("C:\temp\test1.xlsx") ; Process workbooks 1 to 3 _ProcessWorkbook("C:\temp\test2.xlsx") _ProcessWorkbook("C:\temp\test3.xlsx") Func _ProcessWorkbook($sWorkbook) $oWorkbook = _Excel_BookOpen($oExcel, $sWorkbook) ; Open the Workbook $aUsedRange = _Excel_RangeRead($oWorkBook) ; Read all used cells For $i = 0 To UBound($aUsedRange, 1) - 1 ; Process all rows of the Workbook For $j = 0 To UBound($aUsedRange, 2) - 1 ; Should the input be checked for valid data (empty cells ...)? ; Send the content to the browser here Next Next _Excel_BookClose($oWorkbook, False) EndFunc Which Browser do you want to use?

Great But how is child positioned in Main GUI? Before the DLL call the child is placed outside of Main GUI. I have the need to place several children inside the Main GUI so need to place accurately.