Time-out in hundredths of a second.

• The function has no effect if a negative value is used.
• If this parameter is set to 0, the function processes all the pending events and takes control immediately.

Regardless of the parameter value, the optional processes of controls are always run. Note: This parameter can correspond to:

• an integer corresponding to the number of hundredths of a second,
• a Duration variable,
• Versions 23 and later
  the indication of duration in clear ('1s' or '10cs' for example).
  New in version 23
  the indication of duration in clear ('1s' or '10cs' for example).
  the indication of duration in clear ('1s' or '10cs' for example).

Type of event that can be run during the wait:

waitRedraw (by default)	The windows and the controls can be redrawn.
waitNothing	No event can be run.
waitMouseAndKeyboard	The windows and the controls can be redrawn. The timers can be run. The mouse actions (click on controls for example) or the keyboard events can be run. Note: This constant is equivalent to Multitask used with a negative value.
waitTimer	The windows and the controls can be redrawn. The timers can be run. Note: This constant is equivalent to Multitask used with a positive value.