Cannot delete file becouse it is used by another process.

  • Thread starter Thread starter TakeshiKitano
  • Start date Start date
T

TakeshiKitano

Guest
Hi all, I dont understand my problem. In DocumentPage I upload pdf file ->I show it in dataGrid -> after select this dtg row ti create pdf file in some folder and at the same time it show it in webBrowser. After exit applicatin I am trying to delete this file but it shows me en arror mentioned in question title.

App.xaml

<Application ...
Exit="App_Exit"
>
...
</Application>

App.xaml.cs

public partial class App : Application
{
void App_Exit(object sender, ExitEventArgs e)
{
DocumentPage z = new DocumentPage();
z.clear();
if (Directory.Exists("temp"))
{
Directory.Delete("temp", true);
}
}
}

... here it shows me that eror message


  1. In same page (DocumentPage) I have button with function ( clear() ) : pdfDokument.Navigate("about:blank");

after click on that button ... application exit and sucessfull delete folder temp with all files inside

SO I dont understand why it is ok with click on that button and when I use this function in app_exit ... it doesnt work

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