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You are reading a General forum message. Re: Using TDx under Windows XP Author: BCB-Tools.com Date Posted: 2004-02-13 01:01:24 Hi Giovanni, Unfortunately, you have found the only serious bug in DirectX 7. This is the dreaded 'Dx_Draw1->Create(NULL)' failure. This only occurs when using DirectX 7 on Windows 2000 and Windows XP. It does not affect all pc's the same - some pc's have the problem, most do not. As yet we are unsure what the error is, but it is most likely to be DDERR_NOHWND, meaning that DirectDraw cannot run using the project settings as established in all the BCB-Tools.com demos. There is no known bugfix that can solve your problem, as it is a DirectX failure, not a failure of the TDx_Library. The only suggestion I can make is to try using the components on another pc configuration. We compile and test our applications on both Windows ME and Windows XP, using BCB 1 thru 6. Of these, I do the majority of the work on a Windows ME pc, configured with BCB1,3,4,5,6 and DirectX 7 and DirectX 9 - mostly because it works with no problems. Also of note: BCB does not normally function with DirectX 7 because much is missing or incompatible. DirectX 7 functions only because of various patches built into the TDx_Library make it work. Sorry I cannot be of more help, but it's impossible without having access to the source code of DirectX 7. Darren Dwyer, http://bcb-tools.com REPLY TO THIS MESSAGE? Top You can post a reply to this General message using the form below: |
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