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 WAITPERIOD()
 Pauses a specified time in increments of 1/100 seconds
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 Syntax

     WAITPERIOD([<nDelay>]) --> lNotElapsed

 Argument

     <nDelay>  Designates the waiting period at initialization in
     1/100ths of seconds.  Values from 1 to 8, 640, 000 (one day) are
     possible.

 Returns

     WAITPERIOD() returns .T. , if the time span designated at initialization
     has not elapsed.

 Description

     This function sets a time span for a CA-Clipper DO WHILE loop to run.
     The function must initialize prior to the loop, since you must specify
     the <nDelay> parameter in 1/100th seconds.  Subsequently, the function
     can be implemented without a parameter for additional loop conditions.
     It returns .T., as long as the designated time span has not yet run out.

 Note

     .  The function notes the status of the internal timer at
        initialization.  From that point on, the initialization should always
        precede the respective DO WHILE; otherwise, the time delay is
        incorrect.  The passing of midnight (the time resets to the 0 value)
        is taken into account.

 Example

     Run a loop for 5 seconds:

     WAITPERIOD(500)               // Initialization, 5 seconds
     DO WHILE <cond1> .AND. <cond2> .AND. WAITPERIOD()
        *...
     ENDDO