----- Original Message -----
> From: Phil Wilson <[email protected]>
> To: General discussion about the WiX toolset.
> <[email protected]>
> Cc:
> Sent: Friday, December 12, 2014 11:30 AM
> Subject: Re: [WiX-users] Windows Updates - either pending or running causes
> our installs to fail
>
>T here is a Windows Update Agent API. The IUpdateInstaller interface
> has an IsBusy property that seems to indicate that an update is in
> progress. This fragment of C++ may be a start. It seems to work in the
> sense that it tells me not busy :) but is otherwise untested.
Cool - that did work. Cleaned up a little, and added support for pending.
Tested on a system with an update that required rebooting and saw the busy
during the update and reboot required after the install was done.
I compiled this with VS2013 in a cmd window with just "cl filename.cpp"
Dave
========
#include <windows.h>
#include <wuapi.h>
#include <iostream>
#pragma comment(lib, "ole32.lib")
int main()
{
if (!SUCCEEDED(CoInitialize(NULL)))
return 1;
IUpdateInstaller* iInstaller = NULL;
if (!SUCCEEDED(CoCreateInstance(CLSID_UpdateInstaller, NULL,
CLSCTX_INPROC_SERVER, IID_IUpdateInstaller, (LPVOID*)&iInstaller)))
return 1;
VARIANT_BOOL bVal;
if (SUCCEEDED(iInstaller->get_IsBusy(&bVal)))
{
if (bVal)
std::cout << "get_IsBusy: bVal!\n";
else
std::cout << "get_IsBusy: Not so much\n";
}
else
std::cout << "get_IsBusy: Um, don't know\n";
if (SUCCEEDED(iInstaller->get_RebootRequiredBeforeInstallation(&bVal)))
{
if (bVal)
std::cout << "get_RebootRequiredBeforeInstallation: bVal!\n";
else
std::cout << "get_RebootRequiredBeforeInstallation: Not so much\n";
}
else
std::cout << "get_RebootRequiredBeforeInstallation: Um, don't know\n";
iInstaller->Release();
return 0;
}
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