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Use the right type for constants

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VB stores symbolic and literal constants internally using the simplest data type possible; this means that most common numeric constants-such as zero or one-are stored as Integers. If you use these constants in floating point expressions you can speed up your code using a constant of appropriate type, as in:

Click here to copy the following block
value# = value# + 1#.

This forces the compiler to store the constant in Double format, thus saving one implicit conversion at runtime. Alternatively, you can declare and use a symbolic constant of a well defined type, as in:

Click here to copy the following block
Const ONE As Double = 1



Submitted By : Nayan Patel  (Member Since : 5/26/2004 12:23:06 PM)

Job Description : He is the moderator of this site and currently working as an independent consultant. He works with VB.net/ASP.net, SQL Server and other MS technologies. He is MCSD.net, MCDBA and MCSE. In his free time he likes to watch funny movies and doing oil painting.
View all (893) submissions by this author  (Birth Date : 7/14/1981 )


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