public void Add(GPXFile file)
{
if (file == null)
{
throw new ArgumentNullException("Error: The argument is Null");
}
GPXFileCollection.Add(file);
}
public void Delete(string fileName)
{
if (fileName == null)
{
throw new Exception("File name cannot be null");
}
int index = 0;
while (index < GPXFileCollection.Count)
{
if (GPXFileCollection[index].FileName == fileName)
{
GPXFileCollection.RemoveAt(index);
break;
}
index++;
}
}
