Get the Total Free Space on a Drive by using kernel32.dll : Windows API « Windows « C# / C Sharp






Get the Total Free Space on a Drive by using kernel32.dll

   

using System;
using System.Runtime.InteropServices;

public class GetFreeSpace {
    [DllImport("kernel32.dll", EntryPoint="GetDiskFreeSpaceExA" )]
    private static extern long GetDiskFreeSpaceEx(string lpDirectoryName, out long lpFreeBytesAvailableToCaller, out long lpTotalNumberOfBytes, out long lpTotalNumberOfFreeBytes);

    private static void Main() {
        long result, total, free, available;
        result = GetDiskFreeSpaceEx("c:", out available, out total, out free);

        if (result != 0) {
            Console.WriteLine("Total Bytes: {0:N}", total);
            Console.WriteLine("Free Bytes: {0:N}", free);
            Console.WriteLine("Available Bytes: {0:N}", available);
        }
    }
}

   
    
  








Related examples in the same category

1.DLL: GetVersionEx
2.Keyboard timer: GetTickCountKeyboard timer: GetTickCount
3.BitBlt
4.imports three functions to display the vertical and horizontal size of the screen.
5.MessageBox from user32.dll
6.Get OS Version from kernel32.dll
7.imports the printf function
8.import CreateDirectory and FormatMessage
9.marshals string for unmanaged memory as ANSI.
10.imports the GetModuleHandleW function specifically
11.Set mouse and keyboard hooks.
12.Sound Utils
13.Returns the HRESULT associated with the given error code.