/// <summary>
/// Returns true if given patch is uninstalled from all the target products
/// </summary>
/// <param name="patchCode"></param>
/// <param name="targetProdCodes"></param>
/// <returns></returns>
public static bool IsPatchUninstalled(string patchCode, string[] targetProdCodes)
{
bool found = true;
foreach (string targetProdCode in targetProdCodes)
{
// Exclude the patch verification for those products which are not installed
if (!MsiUtils.IsProductInstalled(targetProdCode))
{
continue;
}
foreach (PatchInstallation patch in PatchInstallation.GetPatches(patchCode, targetProdCode, null, UserContexts.All, PatchStates.All))
{
if (patch.PatchCode == patchCode)
{
found = false;
}
}
// Return after first occurance of found. That is it will return false if patch is applied to any of the target products.
if (!found)
{
return(found);
}
}
return(found);
}
public static string GetProperty(string msiPath, string property)
{
string propertyValue = null;
if (!String.IsNullOrEmpty(msiPath))
{
msiPath = System.Environment.ExpandEnvironmentVariables(msiPath);
Database db = new Database(msiPath);
propertyValue = MsiUtils.GetProperty(db, property);
db.Close(); // be sure to close the db or future attempts to open it will fail (i.e. to install/uninstall it)
}
return(propertyValue);
}