internal IProxyProvider GetProxyProvider()
{
if (null == monikerSupportLibrary)
{
lock (this)
{
if (null == monikerSupportLibrary)
{
getCODelegate = null;
using (RegistryHandle regKey = RegistryHandle.GetCorrectBitnessHKLMSubkey((IntPtr.Size == 8), ServiceModelInstallStrings.WinFXRegistryKey))
{
string file = regKey.GetStringValue(ServiceModelInstallStrings.RuntimeInstallPathName).TrimEnd('\0') + "\\" + fileName;
SafeLibraryHandle tempLibrary = UnsafeNativeMethods.LoadLibrary(file);
tempLibrary.DoNotFreeLibraryOnRelease();
monikerSupportLibrary = tempLibrary;
if (monikerSupportLibrary.IsInvalid)
{
monikerSupportLibrary.SetHandleAsInvalid();
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(Error.ServiceMonikerSupportLoadFailed(file));
}
}
}
}
}
if (null == getCODelegate)
{
lock (this)
{
if (null == getCODelegate)
{
try
{
IntPtr procaddr = UnsafeNativeMethods.GetProcAddress(monikerSupportLibrary, functionName);
getCODelegate = (DelegateDllGetClassObject)Marshal.GetDelegateForFunctionPointer(procaddr, typeof(DelegateDllGetClassObject));
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ComPlusProxyProviderException(SR.GetString(SR.FailedProxyProviderCreation), e));
}
}
}
}
IClassFactory cf = null;
IProxyProvider proxyProvider = null;
try
{
getCODelegate(ClsidProxyInstanceProvider, typeof(IClassFactory).GUID, ref cf);
proxyProvider = cf.CreateInstance(null, typeof(IProxyProvider).GUID) as IProxyProvider;
Thread.MemoryBarrier();
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ComPlusProxyProviderException(SR.GetString(SR.FailedProxyProviderCreation), e));
}
finally
{
if (null != cf)
{
Marshal.ReleaseComObject(cf);
cf = null;
}
}
return(proxyProvider);
}