Vs+qt set application icon

1 Set icon

establish rc file , The file name is consistent with the project name
stay rc Add the following statement to the file “Resources\apps.ico”, Is the path of the icon
You can use https://www.easyicon.net/covert/y Make ico file

IDI_ICON1               ICON                    "Resources\\apps.ico"

2 Icon replacement cache problem

Problem description ：
Replacing the new icon will exist , The phenomenon that the new icon of the application is not applied ,
That is, the icon of the taskbar has been updated , but exe The icon of the program is not the previous icon

Cause analysis ：
Program cache ,“.exe” The icon of the program is not directly applied , The data in the cache directly used by the system .
Try to clean up cached data , Failure ！

Helpless move
Project file , from C Disc cut to D disc , Recompile run , Normal procedure . There is a better way , Hope to be informed in the comments , thank you ！