public void ListProducts()
{
int ix = 0;
StringBuilder guid = new StringBuilder(64);
int res = 0;
while ((res = CallMsi.MsiEnumProducts(ix, guid)) == 0)
{
ix++;
int len = 512;
StringBuilder cachedmsi = new StringBuilder(len);
int getprop = CallMsi.MsiGetProductInfo(guid.ToString(), CallMsi.INSTALLPROPERTY_LOCALPACKAGE, cachedmsi, ref len);
if (0 == len)
{
continue;
}
len = 512;
StringBuilder productname = new StringBuilder(len);
getprop = CallMsi.MsiGetProductInfo(guid.ToString(), CallMsi.INSTALLPROPERTY_INSTALLEDPRODUCTNAME, productname, ref len);
len = 50;
StringBuilder versionstring = new StringBuilder(len);
getprop = CallMsi.MsiGetProductInfo(guid.ToString(), CallMsi.INSTALLPROPERTY_VERSIONSTRING, versionstring, ref len);
len = 50;
StringBuilder installdate = new StringBuilder(len);
getprop = CallMsi.MsiGetProductInfo(guid.ToString(), CallMsi.INSTALLPROPERTY_INSTALLDATE, installdate, ref len);
GetMsiData mi = new GetMsiData(cachedmsi.ToString());
string ucode = mi.DoQuery("SELECT `Value` from `Property` WHERE `Property`.`Property` = 'UpgradeCode' ");
mi.Dispose();
}
}
public void ShowCompsAndClients()
{
int cix = 0;
int res = 0;
StringBuilder cguid = new StringBuilder(40);
while ((res = CallMsi.MsiEnumComponents(cix, cguid)) == 0)
{
cix++;
int pix = 0;
int cres = 0;
StringBuilder prodguid = new StringBuilder(40);
while ((cres = CallMsi.MsiEnumClients(cguid.ToString(), pix, prodguid)) == 0)
{
int plen = 256;
StringBuilder pname = new StringBuilder(256);
int pires = CallMsi.MsiGetProductInfo(prodguid.ToString(), CallMsi.INSTALLPROPERTY_INSTALLEDPRODUCTNAME,
pname, ref plen);
int len = 512;
StringBuilder pth = new StringBuilder(len);
CallMsi.MsiGetComponentPath(prodguid.ToString(), cguid.ToString(), pth, ref len);
pix++;
}
}
}
public string DoQuery(string query)
{
IntPtr viewhandle = IntPtr.Zero;
IntPtr nothing = IntPtr.Zero;
int nres = CallMsi.MsiDatabaseOpenView(dbhandle, query, ref viewhandle);
nres = CallMsi.MsiViewExecute(viewhandle, nothing);
IntPtr rechandle = IntPtr.Zero;
nres = CallMsi.MsiViewFetch(viewhandle, ref rechandle);
if (0 != nres) // No data
{
CallMsi.MsiCloseHandle(viewhandle);
return(null);
}
int outlen = 255;
StringBuilder outbuff = new StringBuilder(outlen);
nres = CallMsi.MsiRecordGetString(rechandle, 1, outbuff, ref outlen);
int rel = CallMsi.MsiCloseHandle(viewhandle);
rel = CallMsi.MsiCloseHandle(rechandle);
if (0 != nres) // No data
{
return(null);
}
return(outbuff.ToString());
}
public void InternalDispose(bool disposing)
{
CallMsi.MsiCloseHandle(dbhandle);
dbhandle = IntPtr.Zero;
}
public GetMsiData(string package)
{
thepath = package;
int nres = CallMsi.MsiOpenDatabase(thepath, null, ref dbhandle);
}
