ActiveX控件添加应用指南在有些应用软件中，比如VC、VB、CVI等，ActiveX控件中缺少具体的一些功能控件，如chart控件等，需要从网上下载一个MSCHRT20.OCX文件，在下图中红圈中选择“运行”，打开后出现如下窗口：在窗口里输入regsvr32 D:mschrt20.ocx，“D:mschrt20.ocx”为mschrt20.ocx文件所在位置点击确定，就完成了添加。

如果运行时又出现了“ActiveX control is not licensed for this operation ”或类似提示，则需要用“记事本”格式的文档将以下程序复制并保存，且必须将此程序保存为XXX.reg格式（注册表格式），然后直接双击此reg格式的文件，就完成了许可（授权）。

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