Introduction - If you have any usage issues, please Google them yourself
2. On the basis of experiments on the realization of the function: " Course Information" in Figure 2.1 below button to add a " students basic information" button, click the button, pop-up " students basic information" dialog box, click the " Add" button students basic information is displayed in the list box. Add a scroll bar and two sliders in the dialog box to adjust CEx_CtrlsDlg background color of the three components of the dialog box: R (red component), G (green component) and B (blue component)