在用户界面窗体上有一个标签提示用户输入一个日期,紧接着有三个文本框，分别接受年，月，日的输入。下有一个命令按钮，标题为：DAY；最下有另一个文本框用来显示该日期是星期几。用户输入2004年的某一日期后，点击按钮，底部的文本框中将显示该日期是星期几。-forms the user interface is a label prompts the user to enter a date, followed by a three textboxes, respectively, on the importation. Under an order button, with the caption : DAY; Most under another text box showing the date of a few weeks. User input in 2004 after a date, click on the button, the bottom of the text box to show the date of a few weeks.