private void BindDelegatesToManualCOMPInvokeFunctionPointers()
{
if (!this.fDelegatesBound)
{
IntPtr ptr;
this.RuntimeHostInstance.Start();
int ofs = 0x15 * IntPtr.Size;
int num2 = 10 * IntPtr.Size;
int num3 = 0x39 * IntPtr.Size;
this.RuntimeHostPtr = Marshal.GetIUnknownForObject(this.RuntimeHostInstance);
this.CurrentDomainFnPtr = (Host_CurrentDomain)Marshal.GetDelegateForFunctionPointer(Marshal.ReadIntPtr(Marshal.ReadIntPtr(this.RuntimeHostPtr), ofs), typeof(Host_CurrentDomain));
int errorCode = this.CurrentDomainFnPtr(this.RuntimeHostPtr, out ptr);
if (errorCode < 0)
{
Marshal.ThrowExceptionForHR(errorCode);
}
Guid gUID = typeof(_AppDomain).GUID;
errorCode = Marshal.QueryInterface(ptr, ref gUID, out this.DomainObjectPtr);
if (errorCode < 0)
{
Marshal.ThrowExceptionForHR(errorCode);
}
this.GetTypeFnPtr = (AppDomain_GetType)Marshal.GetDelegateForFunctionPointer(Marshal.ReadIntPtr(Marshal.ReadIntPtr(this.DomainObjectPtr), num2), typeof(AppDomain_GetType));
errorCode = this.GetTypeFnPtr(this.DomainObjectPtr, out this.DomainTypePtr);
if (errorCode < 0)
{
Marshal.ThrowExceptionForHR(errorCode);
}
this.InvokeMemberFnPtr = (Type_InvokeMember)Marshal.GetDelegateForFunctionPointer(Marshal.ReadIntPtr(Marshal.ReadIntPtr(this.DomainTypePtr), num3), typeof(Type_InvokeMember));
this.fDelegatesBound = true;
}
}
public void Dispose()
{
this.fDelegatesBound = false;
this.InvokeMemberFnPtr = null;
if (IntPtr.Zero != this.DomainTypePtr)
{
Marshal.Release(this.DomainTypePtr);
this.DomainTypePtr = IntPtr.Zero;
}
this.GetTypeFnPtr = null;
if (IntPtr.Zero != this.DomainObjectPtr)
{
Marshal.Release(this.DomainObjectPtr);
this.DomainObjectPtr = IntPtr.Zero;
}
this.CurrentDomainFnPtr = null;
if (IntPtr.Zero != this.RuntimeHostPtr)
{
Marshal.Release(this.RuntimeHostPtr);
this.RuntimeHostPtr = IntPtr.Zero;
}
this.RuntimeHostInstance = null;
}