DriveInfo.TotalFreeSpace DriveInfo.TotalFreeSpace DriveInfo.TotalFreeSpace DriveInfo.TotalFreeSpace Property

Definition

Ruft die Gesamtmenge an freiem Speicherplatz in Bytes ab, die auf einem Laufwerk verfügbar ist.Gets the total amount of free space available on a drive, in bytes.

public:
 property long TotalFreeSpace { long get(); };
public long TotalFreeSpace { get; }
member this.TotalFreeSpace : int64
Public ReadOnly Property TotalFreeSpace As Long

Eigenschaftswert

Der auf einem Laufwerk verfügbare gesamte freie Speicherplatz in Bytes.The total free space available on a drive, in bytes.

Ausnahmen

Zugriff auf Laufwerksinformationen wird verweigert.Access to the drive information is denied.

Das Laufwerk ist nicht zugeordnet oder nicht vorhanden.The drive is not mapped or does not exist.

E/A-Fehler (z. B. ein Datenträgerfehler, oder ein Laufwerk war nicht bereit).An I/O error occurred (for example, a disk error or a drive was not ready).

Beispiele

Das folgende Codebeispiel veranschaulicht die Verwendung von der DriveInfo zum Anzeigen von Informationen für alle Laufwerke auf dem aktuellen System.The following code example demonstrates the use of the DriveInfo class to display information about all of the drives on the current system.

using System;
using System.IO;

class Test
{
    public static void Main()
    {
        DriveInfo[] allDrives = DriveInfo.GetDrives();

        foreach (DriveInfo d in allDrives)
        {
            Console.WriteLine("Drive {0}", d.Name);
            Console.WriteLine("  Drive type: {0}", d.DriveType);
            if (d.IsReady == true)
            {
                Console.WriteLine("  Volume label: {0}", d.VolumeLabel);
                Console.WriteLine("  File system: {0}", d.DriveFormat);
                Console.WriteLine(
                    "  Available space to current user:{0, 15} bytes", 
                    d.AvailableFreeSpace);

                Console.WriteLine(
                    "  Total available space:          {0, 15} bytes",
                    d.TotalFreeSpace);

                Console.WriteLine(
                    "  Total size of drive:            {0, 15} bytes ",
                    d.TotalSize);
            }
        }
    }
}
/* 
This code produces output similar to the following:

Drive A:\
  Drive type: Removable
Drive C:\
  Drive type: Fixed
  Volume label: 
  File system: FAT32
  Available space to current user:     4770430976 bytes
  Total available space:               4770430976 bytes
  Total size of drive:                10731683840 bytes 
Drive D:\
  Drive type: Fixed
  Volume label: 
  File system: NTFS
  Available space to current user:    15114977280 bytes
  Total available space:              15114977280 bytes
  Total size of drive:                25958948864 bytes 
Drive E:\
  Drive type: CDRom

The actual output of this code will vary based on machine and the permissions
granted to the user executing it.
*/
Imports System
Imports System.IO

Class Test
    Public Shared Sub Main()
        Dim allDrives() As DriveInfo = DriveInfo.GetDrives()

        Dim d As DriveInfo
        For Each d In allDrives
            Console.WriteLine("Drive {0}", d.Name)
            Console.WriteLine("  Drive type: {0}", d.DriveType)
            If d.IsReady = True Then
                Console.WriteLine("  Volume label: {0}", d.VolumeLabel)
                Console.WriteLine("  File system: {0}", d.DriveFormat)
                Console.WriteLine( _
                    "  Available space to current user:{0, 15} bytes", _
                    d.AvailableFreeSpace)

                Console.WriteLine( _
                    "  Total available space:          {0, 15} bytes", _
                    d.TotalFreeSpace)

                Console.WriteLine( _
                    "  Total size of drive:            {0, 15} bytes ", _
                    d.TotalSize)
            End If
        Next
    End Sub
End Class
'This code produces output similar to the following:
'
'Drive A:\
'  Drive type: Removable
'Drive C:\
'  Drive type: Fixed
'  Volume label: 
'  File system: FAT32
'  Available space to current user:     4770430976 bytes
'  Total available space:               4770430976 bytes
'  Total size of drive:                10731683840 bytes 
'Drive D:\
'  Drive type: Fixed
'  Volume label: 
'  File system: NTFS
'  Available space to current user:    15114977280 bytes
'  Total available space:              15114977280 bytes
'  Total size of drive:                25958948864 bytes 
'Drive E:\
'  Drive type: CDRom
'
'The actual output of this code will vary based on machine and the permissions
'granted to the user executing it.

Hinweise

Diese Eigenschaft gibt die Gesamtmenge des verfügbaren freien Speicherplatzes auf dem Laufwerk, das nicht nur was für den aktuellen Benutzer verfügbar ist.This property indicates the total amount of free space available on the drive, not just what is available to the current user.

Gilt für: