Fix: setting NotifyIcon.TooltipText at runtime doesn't work

[textGamex]

Pull request type

Please check the type of change your PR introduces:

• [ ] Update
• [x] Bugfix
• [ ] Feature
• [ ] Code style update (formatting, renaming)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] Documentation content changes

What is the current behavior?

Setting NotifyIcon.TooltipText at runtime doesn't work

Issue Number: Setting NotifyIcon.TooltipText at runtime doesn't work #670

What is the new behavior?

• fix this bug.

Other information

Interface changed

In the INotifyIcon interface, a new method called ModifyToolTip has been added