StringCollection stringCollection = new StringCollection();
stringCollection.AddRange(list1.ToArray());
stringCollection.Add("|");
stringCollection.AddRange(CommonClass.ExtensionMethods.ToStringArray(list2.ToArray()));
public static class ExtensionMethods
{
public static string[] ToStringArray(this int[] intArray)
{
return Array.ConvertAll<int, string>(intArray, delegate(int intParameter)
{
return intParameter.ToString();
});
}
public static int[] ToIntArray(this string[] strArray)
{
return Array.ConvertAll<string, int>(strArray, delegate(string intParameter)
{
return int.Parse(intParameter.ToString());
});
}