NullReferenceException was unhandled in C# Timer TweetSharp
问题 I am working on a twitter project that lets user to auto-tweet to the mentioned tweets using C#. I am using TweetSharp with C#. The problem is, when I try to refresh the form_load that shows the mentioned tweets using timer, I get NullReferenceException was unhandled error. I tried change the time interval from 20seconds to 40seconds just in case if the problem is with the time interval, but the problem still existed, hence I don't think the problem is with the time interval. If anyone can