check this out for converting you vb source to c# , it is based ont
#Develop libraries.

http://www.developerfusion.co.uk/utilities/convertvbtocsharp.aspx


There is a good feature in #Develop for converting your code.

Best Regards,
Mehfuz Hossain.
http://www.mehfuz.com

thx
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there is a little problem in marshal translation

From
    Public Function RegExpGetStrings(ByRef StringIn As String, ByVal patrn
As String, _
        <Out()> ByRef myMatchCnt As Integer, _
        <Out()> <MarshalAs(UnmanagedType.LPArray,
ArraySubType:=UnmanagedType.LPStr, SizeParamIndex:=2)> ByRef stringOut As
String(), _
        <Out()> <MarshalAs(UnmanagedType.LPArray, SizeParamIndex:=2)> ByRef
myMatchPos As Integer(), _
        ByRef as_msg As String) As Integer
    ...
    End Function


to:

public int RegExpGetStrings(ref string StringIn, string patrn,  [Out()]
ref int myMatchCnt,  [Out()]
[MarshalAs(UnmanagedType.LPArray, ArraySubType=UnmanagedType.LPStr,
SizeParamIndex=2)]
ref string[] stringOut,  [Out()]
[MarshalAs(UnmanagedType.LPArray, SizeParamIndex=2)]
ref int[] myMatchPos, ref string as_msg)
{
    ..........
   }


And the C# complains on [Out()] with ref; It suggestes [ in() out()]] with
ref
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Use the out keyword instead of [Out] ref.


Mattias

thanks.  it works
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you can also download a free copy of IDE for .net 2.0 called #develop
from www.icsharpcode.com which has a vb conversion tool. I use it for
vb to c# conversion .

You can also use this one:
http://www.kamalpatel.net/Default.htm

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nice to know but it tends to crash on my vb code - it has marshalas and a
few advanced technique
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Reading and writing a large binary file fails
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