[Mono-dev] MonoType trouble when adjusting method signature
vargaz at gmail.com
Sat Jul 8 10:58:25 EDT 2006
Make a copy of klass->byval_arg, set the 'byref' flag, and the OUT
flag in the copy.
On 7/7/06, Jonathan S. Chambers <Jonathan.Chambers at ansys.com> wrote:
> I have to do some adjustments to the method signatures of the native function calls for COM Interop. In most cases, the return type of a managed method on a RCW is really the last parameter of the COM method call. For example:
> double GetDouble();
> int GetDouble(double* val); // the int return value is the standard HRESULT
> In adjusting the signature I have a MonoType* (double in this case) which is the return type. I need to get the corresponding byref version of that MonoType, and apply the PARAM_ATTRIBUTE_OUT attribute to that type's attributes in order to use it as a parameter in the unmanaged method signature. Any advice on how to do this? There is a dup_type method in class.c, but it seems like I'm missing something.
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