TExTrackBar is a descendant of TTrackBar, which adds only one property to the properties of it’s ancestor: ShowSelRange.
Unfortunately, the normal Delphi TTrackBar component always shows the selection range of the Windows trackbar common control. For most applications this doesn’t look good. A normal track bar looks like the ones used in the Sound Volume application. For TExTrackBar, the selection range can be hidden by setting ShowSelRange to False.
The two pictures below show the difference between a trackbar with visible and invisible selection range:
|TTrackbar with always visible selection range||TExTrackBar with invisible selection range
(ShowSelRange = False)
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