c# - Out of memory Exception in runtime in Winform -

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• memory limitations in 64-bit .net application? 2 answers

i new .net world , creating windows form in .net 4.5 using vs 2012 professional. in form trying extract file throws out error file more 2 gb. same code extracts smaller file no problem. there system configuration? please find business class extraction , me out this.

using system; using system.io; using system.io.compression;  namespace automate.business {     public class zipperclass     {         public string extract_withpathname(string zippath)         {             string extractpath = path.getdirectoryname(zippath);             string extractname = path.getfilenamewithoutextension(zippath);              using (ziparchive archive = zipfile.open(zippath, ziparchivemode.update))             {                 try                 {                     archive.extracttodirectory(extractpath);                     archive.dispose();                 }                  catch (exception ex)                 {                     console.writeline(ex);                 }             }             return destination;         }     } } 

thanks in advance.

if using .net 4.5 , 64 bit architecture, can set in app.config remove memory limit:

<gcallowverylargeobjects enabled="true" />