SetTrackBarRange trackbar,minimum,maximum
Parameters
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trackbar - trackbar gadget minimum - value at the low end of the track maximum - value at the high end; must not be below minimum |
Description
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Sets the minimum and maximum values of a trackbar. A trackbar picks one value out of a range - volume, zoom, a scale percentage - so the range is its whole meaning. New trackbars start at 0 to 100; an inspector's scale control might use SetTrackBarRange scaleBar,40,160. Negative bounds are fine. Changing the range re-clamps the current value silently (no $401 event). A minimum greater than the maximum stops with a runtime error. Do not confuse it with SetSliderRange: sliders are scrollbars with visible/total page semantics, while trackbars are plain min/max value selectors. See it working in the native input controls sample. Requires Extended mode. See also: CreateTrackBar, SetTrackBarValue, TrackBarValue, SetTrackBarStep. |
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