"Control Click" do not work with the third argument 'strControl' value like '保存(&S)'

[GoogleCodeExporter]

Operating System: windows xp sp2 chinese version
AutoItLibrary: 1.1

I test the scene 'file download' on my web page.
I use SeleniumLibrary to click the download file button. Then windows 
dialog named "文件下载" shows and actived.
I use AutoItLibrary to click the save button which text is "保存(&S)" on 
the windows dialog as follows:
---------------------------------------------------------
Control Click   文件下载    ${EMPTY}    保存(&S)
---------------------------------------------------------
it does not work.
But i click another button which text is "取消" on the windows dialog as 
follows:
---------------------------------------------------------
Control Click   文件下载    ${EMPTY}    取消
---------------------------------------------------------
it works.

Why? The difference between the two cases is that one button text contains 
"&" character but other not.

Original issue reported on code.google.com by zhizhong...@gmail.com on 1 Jun 2010 at 1:42

[GoogleCodeExporter]

did you ever find a solution to this?

Original comment by matwei...@gmail.com on 30 Jan 2014 at 4:56