Problem setting string class to read-write

[travis powell]

i have created a string class. later on i created a procedure where i
need to change charaters in the string. it seems to work just fine unitl
i want to assigm the new character values to a particular position in
the string [see starred lines at the bottom]. i get the error message
that the Property or Indexer is Read-only on compile. can anyone see
where i am going wrong? thanks in advance.
public class InputString
{
private string strParseString;

// A read-write instance property:
public string InStr
{
get
{
return strParseString;
}
set
{
strParseString = value;
}
}
}

public void CharaChange(str ing ssInStr, int nnInPos, int nnCnt)
{
char strTmp1;
char strTmp2;

InputString strCharaChange = new InputString();
strCharaChange. InStr = ssInStr;

strTmp1 = strCharaChange. InStr[nnInPos];
strTmp2 = strCharaChange. InStr[nnCnt];

strCharaChange. InStr[nnInPos] = strTmp2; //*************** ****
strCharaChange. InStr[nnCnt] = strTmp1; //*************** ****

}

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[Bruno Jouhier [MVP]]

..NET strings are immutable.
You cannot change them, you can only create a new string and reassign it.

If you need to pass a "modifiable " string, you should pass a
System.Text.Str ingBuilder.

"travis powell" <he********@pro gun1.com> a écrit dans le message de
news:O5******** ******@TK2MSFTN GP10.phx.gbl...

i have created a string class. later on i created a procedure where i
need to change charaters in the string. it seems to work just fine unitl
i want to assigm the new character values to a particular position in
the string [see starred lines at the bottom]. i get the error message
that the Property or Indexer is Read-only on compile. can anyone see
where i am going wrong? thanks in advance.
public class InputString
{
private string strParseString;

// A read-write instance property:
public string InStr
{
get
{
return strParseString;
}
set
{
strParseString = value;
}
}
}

public void CharaChange(str ing ssInStr, int nnInPos, int nnCnt)
{
char strTmp1;
char strTmp2;

InputString strCharaChange = new InputString();
strCharaChange. InStr = ssInStr;

strTmp1 = strCharaChange. InStr[nnInPos];
strTmp2 = strCharaChange. InStr[nnCnt];

strCharaChange. InStr[nnInPos] = strTmp2; //*************** ****
strCharaChange. InStr[nnCnt] = strTmp1; //*************** ****

}

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