public int TryInvokePropertySet(string propertyName, object value)
{
int hr = NativeMethods.S_OK;
IDispatch dispatch = null;
try
{
if (IsDispatch)
{
dispatch = TryGetUniqueRCW <IDispatch>();
if (dispatch != null)
{
if (MarshalEx.Succeeded(hr = dispatch.InvokePropertySet(propertyName, value)))
{
}
}
}
}
catch
{
}
finally
{
ComPtr.CleanupUniqueRCW(dispatch);
}
return(hr);
}
public System.Runtime.InteropServices.ComTypes.ITypeInfo TryGetTypeInfo()
{
System.Runtime.InteropServices.ComTypes.ITypeInfo typeInfo = null;
IDispatch dispatch = null;
try
{
dispatch = TryGetUniqueRCW <IDispatch>();
if (dispatch != null)
{
typeInfo = dispatch.GetTypeInfo();
}
}
catch
{
}
finally
{
ComPtr.CleanupUniqueRCW(dispatch);
}
return(typeInfo);
}
public int TryInvokeMethod(string name, object[] args, out object returnValue)
{
int hr = NativeMethods.S_OK;
IDispatch dispatch = null;
returnValue = null;
try
{
if (IsDispatch)
{
dispatch = TryGetUniqueRCW <IDispatch>();
if (dispatch != null)
{
if (MarshalEx.Succeeded(hr = dispatch.InvokeMethod(name, args, out returnValue)))
{
}
}
}
}
catch
{
}
finally
{
ComPtr.CleanupUniqueRCW(dispatch);
}
return(hr);
}
public ComTypeInfo TryGetComTypeInfo()
{
ComTypeInfo comTypeInfo = null;
IDispatch dispatch = null;
try
{
dispatch = TryGetUniqueRCW <IDispatch>();
if (dispatch != null)
{
comTypeInfo = ComTypeManager.Instance.FromIDispatch(dispatch);
}
}
catch
{
}
finally
{
ComPtr.CleanupUniqueRCW(dispatch);
}
return(comTypeInfo);
}