同时张出两个对话框，窗口A: ComboBox 里面存储着窗口B的标题, 点击按钮1设置窗口B的标题. Button 4个, 文本框一个, 输入数字后点击4个方位的按钮, 窗口B会移动多少距离. 滑块 , 改变窗口B的透明度-Zhang also the two dialog boxes, windows A: ComboBox B which stores the title of the window, click the B button 1 set the