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17. 9. 14. 获取和设置按钮的文字标签 |
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public String getText()
public void setText(String text)
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If a button is an arrow button, the getText method returns an empty string and setText does not have any effect. |
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class ButtonBasics {
public static void main(String[] args) {
final Display display = new Display();
final Shell shell = new Shell(display, SWT.SHELL_TRIM);
shell.setLayout(new RowLayout());
Button button = new Button(shell, SWT.RIGHT);
button.setText("text on the button");
shell.open();
// Set up the event loop.
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
// If no more entries in event queue
display.sleep();
}
}
display.dispose();
}
}
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