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Old March 22nd, 2004, 10:17 AM
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Default Convert C++ Code to C#

Does anyone know how to convert the following C++ code into C#. I've tried myself using structs. I don't want to use unsafe code so I don't know how to implement the pointers in C#.

typedef char WMTInt8;
typedef short WMTInt16;
typedef long WMTInt32;
typedef unsigned char WMTUInt8;
typedef unsigned short WMTUInt16;
typedef unsigned long WMTUInt32;
typedef WMTInt8 WMTText;
typedef WMTText *WMTPText;
typedef WMTUInt8 *WMTPointer;
#define WMNULL ((WMTPointer)0)
#define WMFalse 0
#define WMTrue (!WMFalse)

Here is an example of how I implemented the type definition for WMTInt8, but it seems very long winded compared to a single line of code in C++ as above. Any help would be really appreciated.

using System;

namespace Wfmc.Interface2.Types.BasicTypes
{
    public struct WMTInt8
    {
        private char _value;

        public WMTInt8(char Value)
        {
            try
            {
                _value = Value;
            }
            catch
            {
                throw new ArgumentException();
            }
        }
        public static implicit operator char(WMTInt8 Value)
        {
            return Value._value;
        }
        public static implicit operator WMTInt8(char Value)
        {
            return new WMTInt8(Value);
        }
    }
}

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Old April 13th, 2004, 09:08 AM
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Default

i don't think you should convert char in c++ to char type in c#, you should change char type to byte type,see:

www.dur.ac.uk/barry.cornelius/Java/ from.cpp.to.csharp/master.pdf

you will find an answer.

also,

i guess you are working with a workflow project, i also have interest in it,hope to communicate with you and change our experience!

my email:
langway2000@hotmail.com
and msn messager always online.



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Old May 30th, 2006, 05:34 AM
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Default

langway suggested to map WMTInt8 to a byte,
however, I would advise against it.
Consider this code:
  typedef char WMTInt8;
  WMTInt8 myChar = 'a';

If you translate this as
  byte myChar = 'a';
It will not compile until you insert cast statements.
(error CS0029: Cannot implicitly convert type 'char' to 'byte').
IMHO, It's better to bite the bullet, forget about type safety of 'struct WMTInt8' and translate a WMIInt8 as a C# 'char'.

Regards,
george
http://code2code.net : C++ to C# conversion (and translation to VB.NET)

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