第五章VB常用控件.......................................................................................................................15.1文本控件....................................................................................................................................25.1.1标签（Label）控件.................................................................................................................25.1.2文本框（TextBox）控件.................................................................................................35.2命令按钮（CommandButton）.........................................................................................105.2.1常用属性................................................................................................................................105.2.2.常用事件...............................................................................................................................115.2.3.应用举例..............................................................................................................................115.3选择控件—复选框和单选按钮.......................................................................................135.3.1复选框（CheckBox）控件...................................................................................................135.3.2单选按钮（OptionButton）控件..........................................................................................155.4选择控件—列表框...........................................................................................................175.4.1常用属性................................................................................................................................175.4.2常用事件................................................................................................................................195.4.3常用方法................................................................................................................................205.4.4应用举例...............................................................................................................................215.5选择控件—组合框............................................................................................................245.5.1常用属性................................................................................................................................245.5.2组合框常用事件....................................................................................................................265.6滚动条（ScrollBar）控件..................................................................................................285.6.1滚动条（ScrollBar）控件的属性.........................................................................................295.6.2滚动条（ScrollBar）事件....................................................................................................295.6.3滚动条事件举例...................................................................................................................305.7框架（Frame）........................................................................................................................315.7.1在框架内添加控件...........................................................................................
