C#

byte[] str1Bytes = Encoding.UTF8.GetBytes("abc");
byte[] str2Bytes = Encoding.UTF8.GetBytes("xyz");

if (str1Bytes.Length != str2Bytes.Length)
    throw new ArgumentOutOfRangeException("two strings must be the same length");

for (int i = 0; i < str1Bytes.Length; i++)
    str1Bytes[i] = (byte)(str1Bytes[i] & str2Bytes[i]);

string resultString = Encoding.UTF8.GetString(str1Bytes);

netJP12L wrote:

What if I am done using 100 Button objects wouldn't they perserve their space in memory

aButton.Dispose();
aButton = null;

"C:\Users\USERNAME\Documents" rather than "C:\Documents and Settings\USERNAME\My Documents"

"C:\Users\USERNAME\Desktop" rather than "C:\Documents and Settings\USERNAME\Desktop"

public string 
ToString
(
    string Format
)            
{
    return "{" + highID.ToString ( Format ) + "." + lowID.ToString ( Format ) + "}" ;
}

public struct IITObjectPersistentID
{
    public int highID;
    public int lowID;

    public IITObjectPersistentID(int HighID, int LowID)
    {
        highID = HighID;
        lowID = LowID;
    }

    public override string ToString()
    {
        return "{" + highID.ToString() + "." + lowID.ToString() + "}";
    }

    public string ToString(string Format)
    {
        return "{" + highID.ToString(Format) + "." + lowID.ToString(Format) + "}";
    }
}

public override string ToString() 
{
    return ToString(string.Empty);
}
public string ToString(string format)
{
    return "{" + highID.ToString(format) + "." + lowID.ToString(format) + "}";
}