FrmConvert_AboutBox dlg = new FrmConvert_AboutBox(this);
Dimension dlgSize = dlg.getPreferredSize();
Dimension frmSize = getSize();
Point loc = getLocation();
dlg.setLocation((frmSize.width - dlgSize.width) / 2 + loc.x, (frmSize.height - dlgSize.height) / 2 + loc.y);
dlg.setModal(true);
dlg.show();
Dimension dlgSize = dlg.getPreferredSize();
Dimension frmSize = getSize();
Point loc = getLocation();
dlg.setLocation((frmSize.width - dlgSize.width) / 2 + loc.x, (frmSize.height - dlgSize.height) / 2 + loc.y);
dlg.setModal(true);
dlg.show();
import java.awt.event.*;
import javax.swing.*;
import com.borland.jbcl.layout.*;public class OKDialog extends Dialog implements ActionListener
{
public static int Confirm;
private XYLayout xYLayout1 = new XYLayout();
private JButton okButton = new JButton("Ok");
private JButton canButton = new JButton("Cancel");
//private JLabel jLabel1 = new JLabel();
protected static Frame createdFrame;
public OKDialog(Frame parent, String message)
{
super(parent,true);
Label messageLabel = new Label(message);
//XYLayout xYLayout1 = new XYLayout();
setLayout(xYLayout1);
add(messageLabel,new XYConstraints(20, 26, 224, 21));
canButton.addActionListener(this);
add(canButton, new XYConstraints(121, 69, 82, 20));
okButton.addActionListener(this);
add(okButton, new XYConstraints(33, 69, 70, 20));
}
public void actionPerformed(ActionEvent event)
{
Object buttTmp=event.getSource();
if (buttTmp == okButton)
{
hide();
if (createdFrame != null)
{
createdFrame.hide();
}
Confirm=1;
}
if (buttTmp == canButton)
{
hide();
if (createdFrame != null)
{
createdFrame.hide();
}
Confirm=0;
}
}
public static void createOKDialog(String dialogString)
{
if (createdFrame == null)
{
createdFrame = new Frame("Dialog");
}
OKDialog okDialog = new OKDialog(createdFrame, dialogString);
//createdFrame.setSize(270,300);
createdFrame.setSize(okDialog.getSize().width,okDialog.getSize().height);
okDialog.show();
}
}
class testd extends Frame
{
Dialog dialog;
testd(String str)
{
super(str);
dialog=new Dialog(this,"mydialog");
dialog.setSize(100,100); int x=(int)((1024-dialog.getWidth())/2);
int y=(int)((768-dialog.getHeight())/2); dialog.setLocation(x,y);
dialog.show();
} public static void main(String [] args)
{
testd dobj=new testd("myFrame");
dobj.setSize(1024,768); //根据你的屏幕的分辨率定,如800*600
dobj.setVisible(true);
}}
CenterShowDialog csd = new CenterShowDialog(this);
import java.awt.*;
/**
* 描述:进入参数Dialog,使显示的图形界面显示居中
**/
public class CenterShowDialog {
public CenterShowDialog(Dialog dialog) {//目标显示为对话框
//Center the window
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension dialogSize = dialog.getSize();
if (dialogSize.height > screenSize.height) {
dialogSize.height = screenSize.height;
}
if (dialogSize.width > screenSize.width) {
dialogSize.width = screenSize.width;
}
dialog.setLocation((screenSize.width - dialogSize.width) / 2,
(screenSize.height - dialogSize.height) / 2);
}
}
//end
dig.setbounds((800-dig.getX()),(600-dig.getY()),dig.getX(),dig.getY())---其中
dig.getX() 为dialog的宽