FileSystem.LOF(Int32) Method
Definition
Important
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Returns the size, in bytes, of a file opened by using the FileOpen function. The My feature gives you better productivity and performance in file I/O operations than LOF. For more information, see FileSystem.
public:
static long LOF(int FileNumber);public static long LOF(int FileNumber);static member LOF : int -> int64Public Function LOF (FileNumber As Integer) As LongParameters
- FileNumber
- Int32
Required. An integer that contains a valid file number.
Returns
The size, in bytes, of a file opened by using the FileOpen function. The My feature gives you better productivity and performance in file I/O operations than LOF.
Exceptions
File mode is invalid.
Examples
This example uses the LOF function to determine the size of an open file. This example assumes that TestFile is a text file that contains sample data.
Dim length As Long
FileOpen(1, "C:\TESTFILE.TXT", OpenMode.Input) ' Open file.
length = LOF(1) ' Get length of file.
MsgBox(length)
FileClose(1) ' Close file.
Remarks
Use the FileLen function to obtain the length of a file that is not open.
