public static IEnumerable <string> GetAllAppUserModelId(this Package package)
{
var listAppIds = new List <string>();
PACKAGE_INFO_REFERENCE pir = new PACKAGE_INFO_REFERENCE();
int rc = NativeMethods.OpenPackageInfoByFullName(package.Id.FullName, 0, ref pir);
if (rc == 0)
{
IntPtr buffer = IntPtr.Zero;
uint count;
uint length = 0;
try
{
rc = NativeMethods.GetPackageApplicationIds(pir, ref length, IntPtr.Zero, out count);
if (rc == ERROR_INSUFFICIENT_BUFFER)
{
buffer = Marshal.AllocHGlobal((int)length);
if (buffer != IntPtr.Zero)
{
rc = NativeMethods.GetPackageApplicationIds(pir, ref length, buffer, out count);
IntPtr pStr = buffer;
for (uint i = 0; i < count; ++i)
{
string sAppId = Marshal.PtrToStringUni(Marshal.ReadIntPtr(pStr));
listAppIds.Add(sAppId);
pStr += Marshal.SizeOf(typeof(IntPtr));
}
}
}
}
catch { }
finally
{
if (buffer != IntPtr.Zero)
{
Marshal.FreeHGlobal(buffer);
}
NativeMethods.ClosePackageInfo(pir);
}
}
return(listAppIds);
}
public static string GetFirstAppUserModelId(this Package package, string packageLocation)
{
PACKAGE_INFO_REFERENCE pir = new PACKAGE_INFO_REFERENCE();
int rc = NativeMethods.OpenPackageInfoByFullName(package.Id.FullName, 0, ref pir);
if (rc == 0)
{
IntPtr buffer = IntPtr.Zero;
uint count;
uint length = 0;
try
{
rc = NativeMethods.GetPackageApplicationIds(pir, ref length, IntPtr.Zero, out count);
if (rc == ERROR_INSUFFICIENT_BUFFER)
{
buffer = Marshal.AllocHGlobal((int)length);
if (buffer != IntPtr.Zero)
{
rc = NativeMethods.GetPackageApplicationIds(pir, ref length, buffer, out count);
if (rc == 0 && count > 0)
{
return(Marshal.PtrToStringUni(Marshal.ReadIntPtr(buffer)));
}
}
}
}
catch { }
finally
{
if (buffer != IntPtr.Zero)
{
Marshal.FreeHGlobal(buffer);
}
NativeMethods.ClosePackageInfo(pir);
}
}
return(GetFirstAppModelId(packageLocation, package.Id.FamilyName));
}
public static extern int ClosePackageInfo(PACKAGE_INFO_REFERENCE packageInfoReference);
public static extern int GetPackageApplicationIds(PACKAGE_INFO_REFERENCE packageInfoReference, ref uint bufferLength, IntPtr buffer, out uint count);
public static extern int OpenPackageInfoByFullName(string packageFullName, uint reserved, ref PACKAGE_INFO_REFERENCE packageInfoReference);
