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FileSystem.ChDrive Method (Char)

Changes the current drive.

Namespace:  Microsoft.VisualBasic
Assembly:  Microsoft.VisualBasic (in Microsoft.VisualBasic.dll)

public static void ChDrive(
	char Drive


Type: System.Char

Required. String expression that specifies an existing drive. If you supply a zero-length string (""), the current drive does not change. If the Drive argument is a multiple-character string, ChDrive uses only the first letter.


Invalid drive is specified, or drive is unavailable.

The ChDrive function requires unmanaged-code permission, which may affect its execution in partial-trust situations. For more information, see SecurityPermission and Code Access Permissions.

This example uses the ChDrive function to change the current drive. The function throws an exception if the drive does not exist.

ChDrive("D")   ' Make "D" the current drive.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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