Member 514252 wrote: I am able to list the applications using EnumWindowsProc and Process.ProcessName. But i don't know how to find the path of the document. Can anyone help me? Using the Windows API, there's no way to find out what the path of the file is. You'd have to use the Excel object model (Google for "Excel Object Model") to get the workbook names and paths. A guide to posting questions on CodeProject[^] Dave Kreskowiak Microsoft MVP Visual Developer - Visual Basic      2006, 2007, 2008

Thank you again for your effort Martin. As you said, i tried SendMessage-ing WM_CHAR, it works for Notepad and Wordpad. But i couldnot write into Excel or Word file. With SendKeys, I am able to send text to any window. Is there anyway we can do to avoid showing the file? JRK

Hi suiram Thanks for your response. Yes i am passing hdc to the thread. I tried with CS_OWNDC, But of no improvement. My problem is with the CDC of PrintPreview. What should i do now. Please, do help me. kumari