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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.
Versions 21 and later
Android This property is now available for Scheduler controls in Android applications
New in version 21
Android This property is now available for Scheduler controls in Android applications
Android This property is now available for Scheduler controls in Android applications
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.
See also
Minimum version required
  • Version 18
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