winform调用osk（on screen keyboard?）

https://www.cnblogs.com/webttt/p/15470511.html
https://www.xuebuyuan.com/1774815.html
https://www.jianshu.com/p/523d163624ba
https://www.computerhope.com/jargon/o/osk.htm
https://support.microsoft.com/en-us/windows/use-the-on-screen-keyboard-osk-to-type-ecbb5e08-5b4e-d8c8-f794-81dbf896267a
https://support.microsoft.com/zh-cn/windows/使用屏幕键盘-osk-进行键入-ecbb5e08-5b4e-d8c8-f794-81dbf896267a
https://cn.bing.com/search?q=winform调用osk&qs=n&form=QBRE&sp=-1&pq=winform调用osk&sc=0-12&sk=&cvid=FD5D5B31BB8A47D1AD9067EF738458FD