internal static extern int CreateAssemblyEnum(
out IAssemblyEnum ppEnum,
IntPtr pUnkReserved,
IAssemblyName pName,
AssemblyCacheFlags flags,
IntPtr pvReserved);
internal static extern int GetCachePath(AssemblyCacheFlags cacheFlags, StringBuilder cachePath, ref int pcchPath);
internal static extern int CreateAssemblyEnum(
out IAssemblyEnum ppEnum,
IntPtr pUnkReserved,
IAssemblyName pName,
AssemblyCacheFlags flags,
IntPtr pvReserved);
public extern static void GetCachePath([In] AssemblyCacheFlags dwCacheFlags, [MarshalAs(UnmanagedType.LPWStr)] StringBuilder pwzCachePath, [In] ref uint pcchPath);
static extern void CreateAssemblyEnum(out IAssemblyEnum pEnum, IntPtr pUnkReserved, IAssemblyName pName,
AssemblyCacheFlags dwFlags, IntPtr pvReserved);
internal static IEnumerable<string> GetGacPaths()
{
if (_gacPaths != null) return _gacPaths;
List<string> gacPaths = new List<string>();
AssemblyCacheFlags[] flags = new AssemblyCacheFlags[] {
AssemblyCacheFlags.ROOT,
AssemblyCacheFlags.ROOT_EX
};
foreach (AssemblyCacheFlags flag in flags)
{
int gacPathLength = 0;
// Request the size of buffer for the path.
int hresult = GetCachePath(flag, null, ref gacPathLength);
//
// When gacPathLength is set to 0 and passed to this method, the return value
// is an error which indicates INSUFFICIENT_BUFFER, so the code here doesn't
// check that return value, but just check whether the returned desired buffer
// length is valid or not.
//
if (gacPathLength > 0)
{
// Allocate the right size for that buffer.
StringBuilder gacPath = new StringBuilder(gacPathLength);
// Get the real path string to the buffer.
hresult = GetCachePath(flag, gacPath, ref gacPathLength);
if (hresult >= 0)
{
gacPaths.Add(gacPath.ToString());
}
}
}
if (gacPaths.Count > 0)
{
_gacPaths = gacPaths;
}
return _gacPaths;
}
internal static extern int GetCachePath(AssemblyCacheFlags cacheFlags, StringBuilder cachePath, ref int pcchPath);
private static extern void GetCachePath(AssemblyCacheFlags dwCacheFlags, [MarshalAs(UnmanagedType.LPWStr)] StringBuilder pwzCachePath,
ref uint pcchPath);
