FileName from HWND
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From: Ahmed Samieh on 19 May 2006 09:58 Steve wrote: > Ahmed Samieh wrote: > > > > if you wanna get the file name of any running process by handle you can > > use this code : > > > > GetModuleFileName(GetWindowLong(hWnd, GWL_HINSTANCE), > > szModuleFileName, > > sizeof(szModuleFileName)); > > > > Have you tried it? It doesn't work. At least, I can't make it work. All > it returns is the filename to my own exe regardless of what hWnd I give it. i didn't try it, coz i hvn't win9x, on win2k or xp it will return the filename of ur exe test it on win9x i googled the problem and found this: http://support.microsoft.com/default.aspx?scid=kb;en-us;Q112649 http://www.elists.org/pipermail/delphi-talk/2004-September.txt Ahmed
From: Alf P. Steinbach on 19 May 2006 10:11 * Ahmed Samieh: > Steve wrote: >> Ahmed Samieh wrote: >>> if you wanna get the file name of any running process by handle you can >>> use this code : >>> >>> GetModuleFileName(GetWindowLong(hWnd, GWL_HINSTANCE), >>> szModuleFileName, >>> sizeof(szModuleFileName)); >>> >> Have you tried it? It doesn't work. At least, I can't make it work. All >> it returns is the filename to my own exe regardless of what hWnd I give it. > > i didn't try it, coz i hvn't win9x, on win2k or xp it will return the > filename of ur exe > test it on win9x > i googled the problem and found this: A module handle (what you get from GWL_INSTANCE) is the base address of a loaded module. It's only guaranteed to be unique within a process, because each process has its own address space. For the main executable it's very likely to be the number 0x00400000 no matter which process. -- A: Because it messes up the order in which people normally read text. Q: Why is it such a bad thing? A: Top-posting. Q: What is the most annoying thing on usenet and in e-mail?
From: Ahmed Samieh on 19 May 2006 17:19
Alf P. Steinbach wrote: > * Ahmed Samieh: > > Steve wrote: > >> Ahmed Samieh wrote: > >>> if you wanna get the file name of any running process by handle you can > >>> use this code : > >>> > >>> GetModuleFileName(GetWindowLong(hWnd, GWL_HINSTANCE), > >>> szModuleFileName, > >>> sizeof(szModuleFileName)); > >>> > >> Have you tried it? It doesn't work. At least, I can't make it work. All > >> it returns is the filename to my own exe regardless of what hWnd I give it. > > > > i didn't try it, coz i hvn't win9x, on win2k or xp it will return the > > filename of ur exe > > test it on win9x > > i googled the problem and found this: > > A module handle (what you get from GWL_INSTANCE) is the base address of > a loaded module. > It's only guaranteed to be unique within a process, because each process > has its own address space. ammmm, it seems to be the best way to make it under win9x is using ToolHelp32 the problem exist since 11/05/1998 :) http://www.experts-exchange.com/Programming/Programming_Languages/Delphi/Q_10095725.html > For the main executable it's very likely to be the number 0x00400000 no > matter which process. not always, sometimes give me 0x01000000, 0x75F80000, .... and 0x00400000 too Ahmed |