Thanks Phil,
I will try this tomorrow :)
Steve
From: Phill Hogland [via Windows Installer XML (WiX) toolset]
[mailto:ml-node+s687559n7594264...@n2.nabble.com]
Sent: April-22-14 7:11 PM
To: Steven Ogilvie
Subject: Re: Trying to use MsiLocatecomponent in Bootstrapper to check for a
Word PIA
When I change the code in question to be like the following, it gets the path.
(When I call the function as you did without and initial call with the sczPath
= NULL and cch = 0, then I never get the path, even if the buffer was larger
than needed. You second code post has other issues because pcchBuf is defined
as a DWORD array, etc.) But the following finds the path to Word on my system.
DWORD dwFileAttributes = 0;
BOOL fValidateComponentExists = FALSE;
INSTALLSTATE installState = INSTALLSTATE_BROKEN;
LPWSTR sczPath = NULL;
DWORD cch = 0;
LPWSTR sczComponentIdx86 =
L"{9FE736B7-B1EE-410C-8D07-082891C3DAC8}";
installState = MsiLocateComponentW(sczComponentIdx86, sczPath,
&cch);
cch++;
hr = StrAlloc(&sczPath, cch);
ExitOnFailure(hr, "Failed to allocate string for component
path.")
installState = MsiLocateComponentW(sczComponentIdx86, sczPath,
&cch);
if (INSTALLSTATE_LOCAL == installState) {
fValidateComponentExists = FileExistsEx(sczPath,
&dwFileAttributes);
}
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