摘要： from:http://social.msdn.microsoft.com/Forums/en-US/winforms/thread/60b2493d-c8ff-495d-b845-d114fe456f54/#ee67fc20-7bc4-4e57-842d-1e7d5ec2d6f9 Here's an easier way to implement Tony's idea. Add a new class to your project and paste the code shown below. Build. Drop the new control from the to 阅读全文