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Stored procedures
The StartVisibleRange property is used to:
  • get the first visible date or time:
    • in a Scheduler control.
    • WINDEV in a TimeLine control.
  • WINDEV change the first visible time in a TimeLine control.
Remark: The first visible date or time corresponds to the position of the scrollbar in the control.
Example
WINDEV
// TimeLine control on 2 minutes
TimelineChangeMode(TL_TimeLine, schModeSecond, 120)
 
// equivalent to:
TL_TimeLine.StartTotalRange = 0  // starts from 0 sec
TL_TimeLine.EndTotalRange = 120 // end at 120 sec
 
// Make the first 30 seconds visible
TL_TimeLine.StartVisibleRange = 0 // starts at 0 sec
TL_TimeLine.EndVisibleRange = 30 // size at 30 sec
Syntax

Getting the first visible date or time Hide the details

<Result> = <Control used>.StartVisibleRange
<Result>: Integer or character string in Date/Time format
First visible value in the control. This value corresponds to:
  • an integer for:
    • WINDEV a TimeLine control,
    • a Scheduler control in second, millisecond or microsecond mode.
  • a date in YYYYMMDDHHSSCC format for a Scheduler control in day, week or month mode.
<Control used>: Control name
Name of the control to be used. This control can correspond to:
  • a Scheduler control.
  • WINDEV a TimeLine control.
WINDEV

Changing the value of the first visible time Hide the details

<TimeLine control>.StartVisibleRange = <New value>
<TimeLine control>: Control name
Name of TimeLine control to use.
<New value>: Integer
First value to be made visible in the TimeLine control
Remarks
  • All the events represented in the control are between StartTotalRange and EndTotalRange. This corresponds to the total range of the scrollbar or range slider associated with the control.
  • All the events visible in the control are between StartVisibleRange and EndVisibleRange. This corresponds to the size of the scrollbar track or range slider associated with the control.
  • Android The StartTotalRange and StartVisibleRange properties are equivalent. They are used to get the first visible value in the control.
Minimum version required
  • Version 18
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Last update: 05/26/2022

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