public static IAssemblyCache GetAssemblyCacheInterface(string CLRVersionString, bool FetchRuntimeHost, out CCorRuntimeHost RuntimeHost)
{
IClrMetaHostPolicy clrMetaHostPolicy = null;
RuntimeHost = null;
GetClrMetaHostPolicy(ref _metaHostPolicyClsIdGuid, ref _metaHostPolicyGuid, out clrMetaHostPolicy);
if (clrMetaHostPolicy == null)
{
return(null);
}
StringBuilder version = new StringBuilder("v", "v65535.65535.65535".Length);
version.Append(CLRVersionString);
int capacity = version.Capacity;
int imageVersionLength = 0;
int pdwConfigFlags = 0;
IClrRuntimeInfo runtimeInfo = (IClrRuntimeInfo)clrMetaHostPolicy.GetRequestedRuntime(MetaHostPolicyFlags.MetaHostPolicyApplyUpgradePolicy, null, null, version, ref capacity, null, ref imageVersionLength, out pdwConfigFlags, _clrRuntimeInfoGuid);
if (runtimeInfo == null)
{
return(null);
}
CoInitializeEEDelegate delegateForFunctionPointer = (CoInitializeEEDelegate)Marshal.GetDelegateForFunctionPointer(runtimeInfo.GetProcAddress("CoInitializeEE"), typeof(CoInitializeEEDelegate));
Marshal.ThrowExceptionForHR(delegateForFunctionPointer(0));
if (FetchRuntimeHost)
{
RuntimeHost = new CCorRuntimeHost(runtimeInfo);
}
CreateAssemblyCacheDelegate delegate3 = (CreateAssemblyCacheDelegate)Marshal.GetDelegateForFunctionPointer(runtimeInfo.GetProcAddress("CreateAssemblyCache"), typeof(CreateAssemblyCacheDelegate));
IAssemblyCache ppAsmCache = null;
Marshal.ThrowExceptionForHR(delegate3(out ppAsmCache, 0));
return(ppAsmCache);
}
static Utils()
{
var sysroot = Environment.GetFolderPath(Environment.SpecialFolder.Windows);
var f40 = Path.Combine(sysroot, "Microsoft.NET", Environment.Is64BitProcess ? "Framework64" : "Framework", "v4.0.30319", "fusion.dll");
var f20 = Path.Combine(sysroot, "Microsoft.NET", Environment.Is64BitProcess ? "Framework64" : "Framework", "v2.0.50727", "fusion.dll");
if (File.Exists(f40)) {
var f40dll = LoadLibrary(f40);
if (f40dll != IntPtr.Zero) {
Net40Fusion = new UnmanagedLibrary(f40dll);
CreateAssemblyEnum40 = (CreateAssemblyEnumDelegate)Marshal.GetDelegateForFunctionPointer(Net40Fusion.GetProcAddr("CreateAssemblyEnum"), typeof (CreateAssemblyEnumDelegate));
CreateAssemblyNameObject40 = (CreateAssemblyNameObjectDelegate)Marshal.GetDelegateForFunctionPointer(Net40Fusion.GetProcAddr("CreateAssemblyNameObject"), typeof (CreateAssemblyNameObjectDelegate));
CreateAssemblyCache40 = (CreateAssemblyCacheDelegate)Marshal.GetDelegateForFunctionPointer(Net40Fusion.GetProcAddr("CreateAssemblyCache"), typeof (CreateAssemblyCacheDelegate));
CreateInstallReferenceEnum40 = (CreateInstallReferenceEnumDelegate)Marshal.GetDelegateForFunctionPointer(Net40Fusion.GetProcAddr("CreateInstallReferenceEnum"), typeof (CreateInstallReferenceEnumDelegate));
}
}
if (File.Exists(f20)) {
var f20dll = LoadLibrary(f20);
if (f20dll != IntPtr.Zero) {
Net20Fusion = new UnmanagedLibrary(f20dll);
CreateAssemblyEnum20 = (CreateAssemblyEnumDelegate)Marshal.GetDelegateForFunctionPointer(Net20Fusion.GetProcAddr("CreateAssemblyEnum"), typeof (CreateAssemblyEnumDelegate));
CreateAssemblyNameObject20 = (CreateAssemblyNameObjectDelegate)Marshal.GetDelegateForFunctionPointer(Net20Fusion.GetProcAddr("CreateAssemblyNameObject"), typeof (CreateAssemblyNameObjectDelegate));
CreateAssemblyCache20 = (CreateAssemblyCacheDelegate)Marshal.GetDelegateForFunctionPointer(Net20Fusion.GetProcAddr("CreateAssemblyCache"), typeof (CreateAssemblyCacheDelegate));
CreateInstallReferenceEnum20 = (CreateInstallReferenceEnumDelegate)Marshal.GetDelegateForFunctionPointer(Net20Fusion.GetProcAddr("CreateInstallReferenceEnum"), typeof (CreateInstallReferenceEnumDelegate));
}
}
}
