Timers

A timer is an internal routine that repeatedly measures a specified interval, in milliseconds.

In This Section

NameDescription
About Timers

Describes how to create, identify, set, and delete timers.

Using Timers

Discusses how to create and destroy timers, and how to use a timer to trap mouse input at specified intervals.

Timer Reference

Contains the API reference.

 

Timer Functions

NameDescription
KillTimer

Destroys the specified timer.

SetTimer

Creates a timer with the specified time-out value.

TimerProc

An application-defined callback function that processes WM_TIMER messages. The TIMERPROC type defines a pointer to this callback function. TimerProc is a placeholder for the application-defined function name.

 

Timer Notifications

NameDescription
WM_TIMER

Posted to the installing thread's message queue when a timer expires. The message is posted by the GetMessage or PeekMessage function.

 

 

 

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