Track Bar Properties
value
backgroundColor
The backgroundColor property is the name of the RGB color for the background of the part.
borderWidth
The borderWidth property is the width of the border, specified in pixels, that surrounds the part on all four sides. A width of zero means that a border does not show.
On some platforms, the border width is limited to 1 pixel and any nonzero value is set to 1.
dragDropSpec (AbtDragDropSpec)
For more information on the dragDropSpec attribute, refer to Using the dragDropSpec attribute
enabled
The enabled property specifies whether or not the part is available for selection. If true, the part's contents are available for selection.
foregroundColor
The foregroundColor property is the name of the RGB color for the foreground of the part.
framingSpec
The framingSpec property represents the values specified for the edge specifications of the part. The edge specifications determine the width, height, and position of the part.
helpFile
The helpFile property is the name of the help file associated with the part.
helpKeysId
The helpKeysId property is the ID of the keys help associated with the part. The ID can be a string or an integer value.
The ID must exist in the help file associated with the part.
helpTitle
The helpTitle property is the title of the help window associated with the part.
helpTopicId
The helpTopicId property is the ID of the help topic associated with the part. The ID can be a string or an integer value.
The ID must exist in the help file associated with the part.
increment
The increment property specifies the number of ticks the slider will move when the left or right arrows are pressed.
maximum
The maximum property specifies the maximum value of the track bar.
minimum
The minimum property specifies the minimum value of the track bar.
orientation
The orientation property specifies whether the slider is oriented horizontally or vertically.
pageIncrement
The pageIncrement property specifies the number of ticks the slider will move when a user presses the Page Up or Page Down keys, or when the mouse is clicked to the left or right of the slider.
partName
The partName property specifies the name you want to use to describe the part. For nonvisual parts, this text appears under the icon for the part on the free-form surface.
The name of the part can consist of alphanumeric characters, and must be different from those of all other parts on the layout surface.
If you do not specify a part name, VA Smalltalk generates a unique name based on the class name of the part.
selectionEnd
The selectionEnd property specifies the last value in the selection range. This value is only effective if the showSelection property is set to true.
selectionStart
The selectionStart property specifies the first value in the selection range. This value is only effective if showSelection property is set to true.
showSelection
The showSelection property specifies whether the slider can have a select range. Setting this attribute to true changes the appearance of the Track Bar so that it contains a white range indicator area.
showTickBottom
The showTickBottom property specifies how tick marks are displayed. If this property is set to true, tick marks are positioned along the bottom of a horizontal track bar, or along the right side of a vertical track bar. If this property is set to false, no tick marks are shown on the bottom or right.
showTickTop
The showTickTop property specifies how tick marks are displayed. If this property is set to true, tick marks are positioned along the top of a horizontal track bar, or along the left side of a vertical track bar. If this property is set to false, no tick marks are shown on the top or left.
tabGroup
The tabGroup property specifies whether or not the part is included as a tab stop so users can use the Tab and Backtab keys to access the part.
tickFrequency
The tickFrequency property specifies the frequency of the tick marks on a slider, relative to its range.
traversalOn
The traversalOn property specifies whether users can access the part using the cursor movement keys. If the part is specified as a tab stop by using the tabGroup property, users also can use the Tab and Backtab keys to access the part.
value
The value property specifies the current position of the slider along the track bar between minimum and maximum numeric values.
Last modified date: 05/14/2020