Want to use the least code to achieve, I don't know what to do?
In the design mode of the form, click multiple tab controls to automatically switch, you can add sub-controls, switch between different tabs, and display different controls inside.
windowless=False is required, the mouse click event of the custom control is processed in the form design mode to achieve the purpose of selecting tabs 1-3
In the design mode of the form, click multiple tab controls to automatically switch, you can add sub-controls, switch between different tabs, and display different controls inside.
windowless=False is required, the mouse click event of the custom control is processed in the form design mode to achieve the purpose of selecting tabs 1-3