embedded Kingsoft office spreadsheet in winforms

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VB

Office

WinForms

MS-Excel

Hi,
I'm using KSO (KingSoft Office) spreadsheet in my vb.net winforms application. In some machines Microsoft excel has been installed and in some KSO. I'm able to identify what is installed. And if Microsoft excel is installed I create and excel application through code and get the window handle like

Dim oa = New Microsoft.Office.Interop.Excel.Application
ExcelWnd = oa.Hwnd

Like this I need to get the handle to KSO spreadsheet application. I've created KSO as

Dim oaKSO = New ET.Application

But osKSO.Hwnd or similar property is not available.
How to get that?

As a workaround...
I'm able to create ET.Application.
Is it possible to get the handle through looping the process list or some thing related to processes like getProcessByID etc..?

Or any other win32 functions..

Thanks,
Thams