в 17:44, 31 мая 2010

2010-05-31T17:44:26Z

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2010-05-31T15:20:06Z

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== Introducing ScrollBar ==

<OL><LI>You don"t create ScrollBars directly.</LI><LI>You can retrieve a reference to the ScrollBar by calling getHorizontalBar() or getVerticalBar().</LI></OL>
<p>Scrollable Styles:</p>
StyleDescriptionSWT.H_SCROLLCreates a horizontal ScrollBar (passes the SWT.HORIZONTAL style to ScrollBar"s constructor)SWT.V_SCROLLCreates a vertical ScrollBar (passes the SWT.VERTICAL style to ScrollBar"s constructor)

== Show the selection value by using ScrollBar ==



<source lang="java">
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.ScrollBar;
import org.eclipse.swt.widgets.Shell;
public class ScrollBarSelectionValue {
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());

// Create a List with a vertical ScrollBar
List list = new List(shell, SWT.V_SCROLL);
// Add a bunch of items to it
for (int i = 0; i < 500; i++) {
list.add("A list item");
}
// Get the ScrollBar
ScrollBar sb = list.getVerticalBar();
// Show the selection value
System.out.println("Selection: " + sb.getSelection());
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
display.dispose();
}
}</source>

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в 17:44, 31 мая 2010

Admin: 1 версия