is there a way in the burn.sln to detect if it is an upgrade or not?
sample code I am using:
// ** Is Bootstrapper EXE running?
PROCESSENTRY32 entry;
entry.dwSize = sizeof(PROCESSENTRY32);
hSnapShot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, NULL);
int iCount = 0;
// need to get the filename from the full path
hr = StrAllocString(&sczFileNameVariable,
PathFile(sczFilePathVariable), 0);
if (Process32First(hSnapShot, &entry))
{
while (Process32Next(hSnapShot, &entry))
{
if (wcscmp(entry.szExeFile, sczFileNameVariable) == 0)
{
iCount++;
}
}
}
if (iCount > 2)
{
BootstrapperInstance = TRUE;
sczVerifyBootstrapperInstanceRunningVariableSet = L"1";
BalLog(BOOTSTRAPPER_LOG_LEVEL_STANDARD,
"VerifyIfAnotherMSIRunning: Found multiple Bootstrapper EXE's: %ls running,
can't have multiple EXE's running", (LPCWSTR)sczFileNameVariable);
}
thanks,
Steve
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