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打开目录的函数是什么（打开目录的函数是什么意思）

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打开目录的函数是什么（打开目录的函数是什么意思）If you omit the nbsp nbsp argument or pass in an empty string the dialog should remember the last directory The nbsp tr nbsp function is used for translating user visible strings You can omit it if you won t ever be providing translations



If you omit the  argument (or pass in an empty string), the dialog should remember the last directory:

 
  
The tr function is used for translating user-visible strings. You can omit it if you won't ever be providing translations for your application.
 
  
EDIT:
 
  
It seems that the start directory may not be automatically remembered on all platforms/desktops, depending on whether you use the native dialog or not. If Qt's built-in dialog is used, the start directory should always be automatically remebered on all platforms (even between invokations of the application). To try the non-native dialog, do:
 
  
 
  
Alternatively, you can use the QFileDialog constructor, which will always create a non-native dialog:
 
  
 
  
 
      
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