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Tip of the Day
Language: Visual Basic
Expertise: Beginner
Aug 6, 1997

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Use The Sleep API Function Instead Of DoEvents

When in NT or Windows 95, use the Sleep API function instead of DoEvents. DoEvents does this:
 while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
	TranslateMessage(&msg);
	DispatchMessage(&msg);
}
DoEvents spends part of its time watching for other messages in the same process. This behavior has no value in a preemptive-multitasking operating system. Sleep yields more efficiently to other processes. Sleep is declared as:
 Public Declare Sub Sleep Lib "kernel32" _
	Alias "Sleep" (ByVal dwMilliseconds As Long)
and can be called as:
 Sleep 0&
William Storage
 
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