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The Java Developers Almanac 1.4Order this book from Amazon. |
e795. Getting and Setting the Values of a JSlider Component// To create a slider, see e794 Creating a JSlider Component // Get the current value int value = slider.getValue(); // Get the minimum value int min = slider.getMinimum(); // Get the maximum value int max = slider.getMaximum(); // Get the extent int extent = slider.getExtent(); // Change the minimum value int newMin = 0; slider.setMinimum(newMin); // Change the maximum value int newMax = 256; slider.setMaximum(newMax); // Set the value; the new value will be forced into the bar's range int newValue = 33; slider.setValue(newValue); // Set the extent int newExtent = 10; slider.setExtent(newExtent);It is also possible to set all the values at once by using the model: slider.getModel().setRangeProperties(newValue, newExtent, newMin, newMax, false);
e796. Setting the Orientation of a JSlider Component e797. Showing Tick Marks on a JSlider Component e798. Showing Tick-Mark Labels on a JSlider Component e799. Constraining JSlider Component Values to Tick Marks e800. Listening for Value Changes in a JSlider Component © 2002 Addison-Wesley. |