Hi,
I have a custom action which creates a link (shortcut).
The calling process between layers is:
a) The function of creating link is implemented in a C++ DLL. It uses
IPersistFile::Save to save the link.
b) The function is wrapped in C# code using P/invoke.
c) My C# custom action calls this wrapped function to create the link.
Right now the log always reports IPersistFile::Save always return 0x8007007b
(-2147024773) which means the path is not correct.
I have already succeeded to create a link using the same C++ dll and a managed
standalone exe (using p/invoke too). Also I have tested that the parameter
passing has no problem. For example, I passed in "c:\np.lnk" then I can see the
C++ function can return the same string which is printed in msi log. I don't
think it is permission issue because (a) I always run the msi in an admin
command window, (b) I tried "impersonate='no'", (c) the link is created just
under "c:\" instead of any privileged locations .
Based on my test, I suspect that IPersistFile::Save may not be used in an
installer like a standalone managed exe.
What I am doing wrong with below code?
hr = CoCreateInstance(CLSID_ShellLink,
NULL,
CLSCTX_INPROC_SERVER,
IID_IShellLinkW,
(LPVOID*)&psl);
psl->SetPath(lpszTargetPath); // lpszTargetPath is
"c:\windows\system32\notepad.exe"
hr = psl->QueryInterface(IID_IPersistFile, (LPVOID*)&ppf);
hr = ppf->Save(lpszShortcutPath, TRUE); // return 0x8007007b.
lpszShortcutPath is "c:\np.lnk"
Appreciate any insight.
Thanks
Lian
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