Re: .NET/Link: Explicitly define data type to be sent to .NET object?

*To*: mathgroup at smc.vnet.net*Subject*: [mg85729] Re: .NET/Link: Explicitly define data type to be sent to .NET object?*From*: David Bailey <dave at Remove_Thisdbailey.co.uk>*Date*: Wed, 20 Feb 2008 06:58:51 -0500 (EST)*References*: <fpdusr$rah$1@smc.vnet.net>

heiko wrote: > Hello, > > To get some data from Mathematica to a .NET object, I need to > avoid confusion between different integer or real data types in > Mathematica and C++. Is it somehow possible to explicitly define the > type of a variable being sent from Mathematica to C++? > > Some more detailed description of the problem: The .NET object > contains several overloaded methods for different data types, e.g. > void insert(SByte value), void insert(Int16 value), void insert(Int32 > value), void insert(Int64 value), etc. When I now send integer data > from Mathematica to the object using object at insert[...] the data is > apparently always sent to the insert(Int64 value) method; even if the > integer in Mathematica only contains a value from 0 to 255. This is, > however, not the method I need to call, but e.g. void insert(SByte > value). As I haven't written the .NET library myself, I cannot just > change the names of the methods inside. > > How can I tell .NET/Link in Mathematica that I want the integer/ > real data in Mathematica to be transferred to a specific integer or > real data type in C++? > > Thanks a lot in advance for any help! > > Best regards, > Heiko > Why not sidestep the problem by writing some wrapper functions in C#. The function could take an int as input, and shorten it and call whatever function (sorry, method!) you require. David Bailey http://www.dbaileyconsultancy.co.uk