The ActiveX Control cannot be instantiated 解决方法
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做的串口通讯程序,突然不能用了,弹出“The ActiveX Control XXX cannot be instantiated”
首先想重新添加“Project——>Add to Project——>Components and Controls”,在弹出的“Choose a component to insert into your project”对话框,选择“Registered ActiveX Controls”,但是找不到串口控件。
这时候回到:“开始”——>“运行”,输入“regsvr32 MSCOMM32.OCX”,注册该OCX控件(前提是你的电脑“C:/ WINDOWS/syetem32”下有文件“ MSCOMM32.OCX”,这时候打开程序看看,OK了。
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