(Display a calendar) Write a program that displays the calendar for the current month. You can use the Prior and Next buttons to show the calendar of the previous or next month

isplay a calendar) Write a program that displays the calendar for the current month. You can use the Prior and Next buttons to show the calendar of the previous or next month. Display the dates in the current month in black and display the dates in the previous month and next month in gray, as shown in Figure 16.48.

FIGURE 16.48 The program displays the calendar for the current month.