Inno Setup 备份与还原

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1. [code]
   
2. 
   
3. procedure CurUninstallStepChanged(CurUninstallStep: TUninstallStep);
   
4. begin
   
5. if CurUninstallStep = usUninstall then
   
6. begin
   
7. CreateDir('D:\Backup'); //创建文件夹
   
8. FileCopy('C:\AAA.txt', 'D:\Backup\AAA.txt', False);
   
9. FileCopy('C:\BBB.txt', 'D:\Backup\BBB.txt', False);
   
10. end
    
11. if CurUninstallStep = usPostUninstall then
    
12. begin
    
13. FileCopy('D:\Backup\AAA.txt', 'C:\AAA.txt', False);
    
14. FileCopy('D:\Backup\BBB.txt', 'C:\BBB.txt', False);
    
15. DelTree('D:\Backup',True,True,True);
    
16. end
    
17. end;

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