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Important This document may not represent best practices for current development, links to downloads and other resources may no longer be valid. Current recommended version can be found here.

How to: Retrieve File Information 

The following code example demonstrates the FileInfo class. When you have the name of a file, you can use this class to retrieve information about the file such as the file size, directory, full name, and date and time of creation and of the last modification.

This code retrieves file information for Notepad.exe.

Example

// file_info.cpp
// compile with: /clr
using namespace System;
using namespace System::IO;

int main()
{
   array<String^>^ args = Environment::GetCommandLineArgs();
   if (args->Length < 2)
   {
      Console::WriteLine("\nUSAGE : file_info <filename>\n\n");
      return -1;
   }

   FileInfo^ fi = gcnew FileInfo( args[1] );

   Console::WriteLine("file size: {0}", fi->Length );

   Console::Write("File creation date:  ");
   Console::Write(fi->CreationTime.Month.ToString());
   Console::Write(".{0}", fi->CreationTime.Day.ToString());
   Console::WriteLine(".{0}", fi->CreationTime.Year.ToString());

   Console::Write("Last access date:  ");
   Console::Write(fi->LastAccessTime.Month.ToString());
   Console::Write(".{0}", fi->LastAccessTime.Day.ToString());
   Console::WriteLine(".{0}", fi->LastAccessTime.Year.ToString());

   return 0;
}

See Also

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