Sliders

Extends: SLIDER > CONTROL > WIDGET

A slider offers aslider that can be dragged to change its value. It offers a few extra properties on top of the CONTROL properties.

INCREMENT

Part of: SLIDER

Controls the increment value when the slider is dragged.

Syntax

GPROP "SLIDER "INCREMENT
PPROP "SLIDER "INCREMENT value

Description

INCREMENT gets or sets the value that Logo adds to the slider value when the slider is dragged one pixel.

Examples

DRAW ; Drop a SLIDER widget from the Toolbox > Controls SLIDER dropped GPROP “SLIDER “INCREMENT Result: 1

MAXIMUM

Part of: SLIDER

Controls the maximum value of the slider.

Syntax

GPROP "SLIDER "MAXIMUM
PPROP "SLIDER "MAXIMUM value

Description

MAXIMUM gets or sets the maximum value that the slider can be set to.

Examples

DRAW ; Drop a SLIDER widget from the Toolbox > Controls SLIDER dropped GPROP “SLIDER “MAXIMUM Result: 100

MINIMUM

Part of: SLIDER

Controls the minimum value of the slider.

Syntax

GPROP "SLIDER "MINIMUM
PPROP "SLIDER "MINIMUM value

Description

MINIMUM gets or sets the minimum value that the slider can be set to.

Examples

DRAW ; Drop a SLIDER widget from the Toolbox > Controls SLIDER dropped GPROP “SLIDER “MINIMUM Result: 0

VALUE

Part of: SLIDER

Sets or gets the current value of a slider.

Syntax

GPROP "SLIDER "VALUE
PPROP "SLIDER "VALUE value

Description

VALUE reports or sets the current value of the slider. If setting a value, the slider adjusts it so it is between SLIDER/MINIMUM and MAXIMUM, and sets the slider’s knob accordingly.

Examples

DRAW ; Drop a SLIDER widget from the Toolbox > Controls SLIDER dropped GPROP “SLIDER “VALUE Result: 0