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Tip of the Day
Language: Visual Basic
Expertise: Intermediate
Mar 5, 2001

WEBINAR:

On-Demand

Application Security Testing: An Integral Part of DevOps


"Shrink" the Size of a File


Visual Basic lacks the ability to make a file smaller without having to recreate it. But it is possible to use the SetEndOfFile API. Here is a function for it:
 
Private Const FILE_BEGIN = 0 
Private Const OPEN_EXISTING = 3 
Private Const INVALID_HANDLE_VALUE = -1 
Private Const GENERIC_WRITE = &H40000000 
Private Declare Function CreateFile Lib 
Andreas Hillqvist
 
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