Environment: MicroSoft Excel 2010
Sending the Command to the program was a problem.
As shown in figure:

Solution: open Excel– & GT; File — — — — — — — — & gt; Options — — — — — — — — & gt; Senior — — — — — — — — & gt; Drop this check (ignoring other applications that use dynamic database exchange (DDE)) -& GT; To solve.
As shown in figure:

Resources:
http://support.microsoft.com/kb/211494
http://blog.sina.com.cn/s/blog_4988d99a0100u86i.html
Sending the Command to the program was a problem.
As shown in figure:

Solution: open Excel– & GT; File — — — — — — — — & gt; Options — — — — — — — — & gt; Senior — — — — — — — — & gt; Drop this check (ignoring other applications that use dynamic database exchange (DDE)) -& GT; To solve.
As shown in figure:

Resources:
http://support.microsoft.com/kb/211494
http://blog.sina.com.cn/s/blog_4988d99a0100u86i.html