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#1
November 24th, 2004, 07:22 AM
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ShellExecuteA or ExtractFilePath(ParamStr(0)) fails in Win2000?
Hi all!
I wrote a small application in Delphi 4, that uses ShellExecuteA of Shell32.dll to launch another application. It works perfectly in Win 95, 98 and ME, but fails in Win2000. Error message reports that shell32.dll can not be found, though shell32.dll IS located at the System32 directory mentioned in the error message. Apparently ShellExecuteA doesn't work in Win2000 for some reason? Anyone any ideas? Other functions I could use? Here's how I have defined the function call: Code:
uses function ShellExecute(hWnd: HWND; Operation, FileName, Parameters, Directory: PChar; ShowCmd: Integer): HINST; stdcall; implements function ShellExecute; external 'shell32' name 'ShellExecuteA'; Actual call: ShellExecute(handle, 'open', Pchar(ExePath) , nil, nil, SW_SHOWNORMAL); I derive a part of the ExePath path by ExtractFilePath(ParamStr(0)). Could it be that ExtractFilePath(ParamStr(0)) fails in Win2000?
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#2
November 25th, 2004, 11:14 AM
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Sounds like you've come from a VB background. In the first place, a NT class system has ShellExecuteW since it is widechar capable. Also, why bother to prototype the exact call, when Delphi has a perfectly working version of the same.
Code:
uses
ShellApi;
Actual call:
ShellExecute(handle, 'open', ExePath , nil, nil, SW_SHOWNORMAL);
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