QT icon application

One 、 Get ready

To add icons to your application, you first need to prepare a .ico Format image file , Ordinary pictures don't work . Here we can use this website http://ico.hillcloud.net/, Upload ordinary pictures to the website for online conversion , Then download the backup , And rename the picture ： myapp.ico

Two 、 View help documents

open Qt, Select Help options , Search for Setting, Select the first search result Setting the Application Icon, Double-click to open

Open and slide down , Find the tutorial shown below ：

3、 ... and 、 Add Icon

Put the prepared icon file in myapp.ico To Qt Under the project directory of , Create a new text document and rename it myapp.rc, Here's the picture

Make sure the two files are in the same directory , Otherwise, compilation will fail

Then use Notepad to open myapp.rc  

Copy this code to the file , preservation , sign out

IDI_ICON1               ICON    "myapp.ico"

Return to the editing interface of the project , Open the configuration file of the project （.pro Final document ）, Add code at the bottom ：

RC_FILE = myapp.rc

Finally, recompile the project , Icon addition complete