When to use LoadLibrary for DLLs

I have an instrument driven by a DLL.
This instrument returns 32k bytes blocks of measured data.
High speed is important.

There is some example code written in C

The C code uses LoadLibrary.

What is the purpose of using LoadLibrary?

Does it give more speed?

I have managed to get the DLL to work with direct function and Sub calls ( ie no LoadLibrary )

If I should use LoadLibrary  
do I have to change all my function and sub declarations.
If it is better to use LoadLibrary, could you show me how.

I only know a little about Visual Basic.
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skuhnAuthor Commented:
Edited text of question.
You don't need LoadLibrary to work with DLL functions. You only need declarations.

LoadLibrary can be used:
- when loading resources (e.g. bitmaps, strings,...) from DLL
- to check if DLL can be used - e.g. if LoadLibrary fails, call another form.
Successfull call to LoadLibrary requires "FreeLibrary" call to reduce reference count.

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Visual Basic Classic

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