?? scrollbartest.java
字號:
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
public class ScrollbarTest extends Applet implements AdjustmentListener
{
Scrollbar mySlider;
TextField sliderValue;
public void init()
{
setLayout(new BorderLayout());
mySlider = new Scrollbar(Scrollbar.HORIZONTAL,0,100,0,Integer.MAX_VALUE);
mySlider.setUnitIncrement(1);
mySlider.setBlockIncrement(50);
add("South",mySlider);
mySlider.addAdjustmentListener(this);
sliderValue = new TextField(30);
add("Center",sliderValue);
}
public void adjustmentValueChanged(AdjustmentEvent e)
{
int value;
value = mySlider.getValue();
sliderValue.setText(Integer.toString(value));
sliderValue.setBackground(new Color(value));
}
}
?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -