模态对话框中使用多种控件。为进度 控件编程；为连续的跟踪栏控件编程；为 不连续的跟踪栏控件编程；为微调按纽控件编程；设置一个图像列表；为树形控 件编程。-Modal Dialog use of a variety of controls. Control of the progress of programming; For continuous tracking control column programming; For discrete control column