.FileLen Method (String)
.NET Framework 4.6 and 4.5
Long value that specifies the length of a file in bytes. The My feature gives you better productivity and performance in file I/O operations than FileLen. For more information, see GetFileInfo. Namespace:
Microsoft.VisualBasic (in Microsoft.VisualBasic.dll)
public static long FileLen(
String expression that specifies a file. PathName may include the directory or folder, and the drive. Return Value
System.Int64 Long value that specifies the length of a file in bytes.
If the specified file is open when the
FileLen function is called, the value returned represents the size of the file at the time it was opened.
To obtain the current length of an open file, use the
This example uses the
FileLen function to return the length of a file in bytes. For purposes of this example, assume that TestFile is a file that contains some data.
Dim MySize As Long
' Returns file length (bytes).
MySize = FileLen( "TESTFILE")
.NET Framework Available since 1.1 Return to top