具体操作步骤如下:
1.首先,添加一个文本框,如下图所示。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/f636afc379310a55aa903a88a74543a982261011?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2.在属性窗口中设置文本框的复制属性,然后清除文本内容,如下图所示。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/fd039245d688d43f691d758e6d1ed21b0ef43b12?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3.文本框的enabled属性设置为false,如下图所示。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/c8ea15ce36d3d539cf8aebbf2a87e950352ab013?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4.向表单添加命令按钮,如下图所示。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/4afbfbedab64034f6c7b267abfc379310a551d13?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5.在属性窗口中,将命令按钮的标题属性设置为“允许访问”,如下图所示。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/c9fcc3cec3fdfc0379ce07c4c43f8794a4c2261c?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6.双击命令按钮编辑其代码,如下图所示。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b03533fa828ba61e785f2c535134970a304e591d?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
7.运行程序,输入“百度”。在文本框中输入内容,点击“允许输入”命令按钮,输入相应的内容,如下图所示。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/fd039245d688d43f691a758e6d1ed21b0ef43b1f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
注意事项:VB程序可以包含一个或多个表单,或一个主表单和多个子表单,类似于操作系统。对话框窗口有一些功能,例如没有最大化和最小化按钮的表单,可以用来提供弹出功能。