static int Invoke(IDispatch dispatch, int memberDispId, out object result)
{
Guid emtpyRiid = Guid.Empty;
ComTypes.DISPPARAMS dispParams = new ComTypes.DISPPARAMS();
ComTypes.EXCEPINFO excepInfo = new ComTypes.EXCEPINFO();
uint argErr;
int hresult = dispatch.TryInvoke(
memberDispId,
ref emtpyRiid,
0,
ComTypes.INVOKEKIND.INVOKE_PROPERTYGET,
ref dispParams,
out result,
out excepInfo,
out argErr);
return(hresult);
}
private static unsafe int Invoke(IDispatch dispatch, int memberDispId, out object result)
{
Guid emtpyRiid = Guid.Empty;
ComTypes.DISPPARAMS dispParams = new ComTypes.DISPPARAMS();
Variant res = default;
int hresult = dispatch.TryInvoke(
memberDispId,
ref emtpyRiid,
0,
ComTypes.INVOKEKIND.INVOKE_PROPERTYGET,
ref dispParams,
(IntPtr)(&res),
IntPtr.Zero,
IntPtr.Zero);
result = res.ToObject();
return(hresult);
}
static int Invoke(IDispatch dispatch, int memberDispId, out object result) {
Guid emtpyRiid = Guid.Empty;
ComTypes.DISPPARAMS dispParams = new ComTypes.DISPPARAMS();
ComTypes.EXCEPINFO excepInfo = new ComTypes.EXCEPINFO();
uint argErr;
int hresult = dispatch.TryInvoke(
memberDispId,
ref emtpyRiid,
0,
ComTypes.INVOKEKIND.INVOKE_PROPERTYGET,
ref dispParams,
out result,
out excepInfo,
out argErr);
return hresult;
}