int IProxyManager.Invoke(
UInt32 dispIdMember,
IntPtr outerProxy,
IntPtr pVarResult,
IntPtr pExcepInfo
)
{
try
{
ComProxy comProxy = null;
Guid riid;
if ((dispIdMember == 1))
{
riid = typeof(IChannelOptions).GUID;
}
else if ((dispIdMember == 2))
{
riid = typeof(IChannelCredentials).GUID;
}
else
{
return(HR.DISP_E_MEMBERNOTFOUND);
}
FindOrCreateProxyInternal(outerProxy, ref riid, out comProxy);
TagVariant variant = new TagVariant();
variant.vt = (ushort)VarEnum.VT_DISPATCH;
IntPtr tearOffDispatch = IntPtr.Zero;
comProxy.QueryInterface(ref riid, out tearOffDispatch);
variant.ptr = tearOffDispatch;
Marshal.StructureToPtr(variant, pVarResult, true);
return(HR.S_OK);
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
if (pExcepInfo != IntPtr.Zero)
{
System.Runtime.InteropServices.ComTypes.EXCEPINFO exceptionInfo = new System.Runtime.InteropServices.ComTypes.EXCEPINFO();
e = e.GetBaseException();
exceptionInfo.bstrDescription = e.Message;
exceptionInfo.bstrSource = e.Source;
exceptionInfo.scode = Marshal.GetHRForException(e);
Marshal.StructureToPtr(exceptionInfo, pExcepInfo, false);
}
return(HR.DISP_E_EXCEPTION);
}
}
int IProxyManager.Invoke(uint dispIdMember, IntPtr outerProxy, IntPtr pVarResult, IntPtr pExcepInfo)
{
try
{
Guid gUID;
ComProxy comProxy = null;
if (dispIdMember == 1)
{
gUID = typeof(IChannelOptions).GUID;
}
else if (dispIdMember == 2)
{
gUID = typeof(IChannelCredentials).GUID;
}
else
{
return(HR.DISP_E_MEMBERNOTFOUND);
}
this.FindOrCreateProxyInternal(outerProxy, ref gUID, out comProxy);
TagVariant structure = new TagVariant {
vt = 9
};
IntPtr zero = IntPtr.Zero;
comProxy.QueryInterface(ref gUID, out zero);
structure.ptr = zero;
Marshal.StructureToPtr(structure, pVarResult, true);
return(HR.S_OK);
}
catch (Exception baseException)
{
if (Fx.IsFatal(baseException))
{
throw;
}
if (pExcepInfo != IntPtr.Zero)
{
System.Runtime.InteropServices.ComTypes.EXCEPINFO excepinfo = new System.Runtime.InteropServices.ComTypes.EXCEPINFO();
baseException = baseException.GetBaseException();
excepinfo.bstrDescription = baseException.Message;
excepinfo.bstrSource = baseException.Source;
excepinfo.scode = Marshal.GetHRForException(baseException);
Marshal.StructureToPtr(excepinfo, pExcepInfo, false);
}
return(HR.DISP_E_EXCEPTION);
}
}
int IProxyManager.FindOrCreateProxy(IntPtr outerProxy, ref Guid riid, out IntPtr tearOff)
{
tearOff = IntPtr.Zero;
try
{
ComProxy comProxy = null;
this.FindOrCreateProxyInternal(outerProxy, ref riid, out comProxy);
comProxy.QueryInterface(ref riid, out tearOff);
return(HR.S_OK);
}
catch (Exception exception)
{
if (Fx.IsFatal(exception))
{
throw;
}
return(Marshal.GetHRForException(exception.GetBaseException()));
}
}