Introduction - If you have any usage issues, please Google them yourself
C# mouse through a form, separated by a transparent form to achieve the mouse operation, so that the mouse can penetrate the response form click operation. Record the current type of operation, so that the form is always on top of other forms, set the form' s color and transparency of the state. In the lower right corner of the tray menu, you can set the style of a transparent form, transparency and color, can be customized for the preparation of a transparent window, is also a good reference examples.