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diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Scale.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Scale.java
new file mode 100644
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@@ -0,0 +1,361 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2009 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.swt.widgets;
+
+ 
+import org.eclipse.swt.graphics.*;
+import org.eclipse.swt.internal.wpf.*;
+import org.eclipse.swt.*;
+import org.eclipse.swt.events.*;
+
+/**
+ * Instances of the receiver represent a selectable user
+ * interface object that present a range of continuous
+ * numeric values.
+ * <dl>
+ * <dt><b>Styles:</b></dt>
+ * <dd>HORIZONTAL, VERTICAL</dd>
+ * <dt><b>Events:</b></dt>
+ * <dd>Selection</dd>
+ * </dl>
+ * <p>
+ * Note: Only one of the styles HORIZONTAL and VERTICAL may be specified.
+ * </p><p>
+ * <p>
+ * IMPORTANT: This class is intended to be subclassed <em>only</em>
+ * within the SWT implementation.
+ * </p>
+ *
+ * @see <a href="http://www.eclipse.org/swt/snippets/#scale">Scale snippets</a>
+ * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: ControlExample</a>
+ * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
+ * @noextend This class is not intended to be subclassed by clients.
+ */
+
+public class Scale extends Control {
+
+/**
+ * Constructs a new instance of this class given its parent
+ * and a style value describing its behavior and appearance.
+ * <p>
+ * The style value is either one of the style constants defined in
+ * class <code>SWT</code> which is applicable to instances of this
+ * class, or must be built by <em>bitwise OR</em>'ing together 
+ * (that is, using the <code>int</code> "|" operator) two or more
+ * of those <code>SWT</code> style constants. The class description
+ * lists the style constants that are applicable to the class.
+ * Style bits are also inherited from superclasses.
+ * </p>
+ *
+ * @param parent a composite control which will be the parent of the new instance (cannot be null)
+ * @param style the style of control to construct
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
+ *    <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
+ * </ul>
+ *
+ * @see SWT#HORIZONTAL
+ * @see SWT#VERTICAL
+ * @see Widget#checkSubclass
+ * @see Widget#getStyle
+ */
+public Scale (Composite parent, int style) {
+	super (parent, checkStyle (style));
+}
+
+/**
+ * Adds the listener to the collection of listeners who will
+ * be notified when the user changes the receiver's value, by sending
+ * it one of the messages defined in the <code>SelectionListener</code>
+ * interface.
+ * <p>
+ * <code>widgetSelected</code> is called when the user changes the receiver's value.
+ * <code>widgetDefaultSelected</code> is not called.
+ * </p>
+ *
+ * @param listener the listener which should be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see SelectionListener
+ * @see #removeSelectionListener
+ */
+public void addSelectionListener(SelectionListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	TypedListener typedListener = new TypedListener (listener);
+	addListener (SWT.Selection,typedListener);
+	addListener (SWT.DefaultSelection,typedListener);
+}
+
+static int checkStyle (int style) {
+	return checkBits (style, SWT.HORIZONTAL, SWT.VERTICAL, 0, 0, 0, 0);
+}
+
+public Point computeSize (int wHint, int hHint, boolean changed) {
+	checkWidget ();
+	int border = getBorderWidth ();
+	int width = border * 2, height = border * 2;
+	if ((style & SWT.HORIZONTAL) != 0) {
+		width += OS.SystemParameters_HorizontalScrollBarButtonWidth () * 10;
+		height += OS.SystemParameters_HorizontalScrollBarHeight () * 2;
+	} else {
+		width += OS.SystemParameters_VerticalScrollBarWidth () * 2;
+		height += OS.SystemParameters_VerticalScrollBarButtonHeight () * 10;
+	}
+	if (wHint != SWT.DEFAULT) width = wHint + (border * 2);
+	if (hHint != SWT.DEFAULT) height = hHint + (border * 2);
+	return new Point (width, height);
+}
+
+void createHandle () {
+	state |= THEME_BACKGROUND;
+	handle = OS.gcnew_Slider ();
+	if (handle == 0) error (SWT.ERROR_NO_HANDLES);
+	if ((style & SWT.VERTICAL) != 0) OS.Slider_Orientation (handle, OS.Orientation_Vertical);
+	OS.RangeBase_Maximum (handle, 100);
+	OS.RangeBase_LargeChange (handle, 10);
+	OS.RangeBase_SmallChange (handle, 1);
+	OS.Slider_TickFrequency (handle, 10);
+	OS.Slider_TickPlacement (handle, OS.TickPlacement_Both);
+}
+
+int defaultBackground () {
+	return OS.SystemColors_ControlColor;
+}
+
+/**
+ * Returns the amount that the receiver's value will be
+ * modified by when the up/down (or right/left) arrows
+ * are pressed.
+ *
+ * @return the increment
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public int getIncrement () {
+	checkWidget ();
+	return (int) OS.RangeBase_SmallChange (handle);
+}
+
+/**
+ * Returns the maximum value which the receiver will allow.
+ *
+ * @return the maximum
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public int getMaximum () {
+	checkWidget ();
+	return (int) OS.RangeBase_Maximum (handle); 
+}
+
+/**
+ * Returns the minimum value which the receiver will allow.
+ *
+ * @return the minimum
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public int getMinimum () {
+	checkWidget ();
+	return (int) OS.RangeBase_Minimum (handle); 
+}
+
+/**
+ * Returns the amount that the receiver's value will be
+ * modified by when the page increment/decrement areas
+ * are selected.
+ *
+ * @return the page increment
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public int getPageIncrement () {
+	checkWidget ();
+	return (int) OS.RangeBase_LargeChange(handle);
+}
+
+/**
+ * Returns the 'selection', which is the receiver's position.
+ *
+ * @return the selection
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public int getSelection () {
+	checkWidget ();
+	return (int) OS.RangeBase_Value (handle);
+}
+
+void HandleValueChanged (int sender, int e) {
+	if (!checkEvent (e)) return;
+	postEvent (SWT.Selection);
+}
+
+void hookEvents() {
+	super.hookEvents ();
+	int handler = OS.gcnew_RoutedPropertyChangedEventHandler (jniRef, "HandleValueChanged");
+	if (handler == 0) error (SWT.ERROR_NO_HANDLES);
+	OS.RangeBase_ValueChanged (handle, handler);
+	OS.GCHandle_Free (handler);
+}
+
+/**
+ * Removes the listener from the collection of listeners who will
+ * be notified when the user changes the receiver's value.
+ *
+ * @param listener the listener which should no longer be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see SelectionListener
+ * @see #addSelectionListener
+ */
+public void removeSelectionListener(SelectionListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	if (eventTable == null) return;
+	eventTable.unhook (SWT.Selection, listener);
+	eventTable.unhook (SWT.DefaultSelection,listener);	
+}
+
+/**
+ * Sets the amount that the receiver's value will be
+ * modified by when the up/down (or right/left) arrows
+ * are pressed to the argument, which must be at least 
+ * one.
+ *
+ * @param increment the new increment (must be greater than zero)
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setIncrement (int increment) {
+	checkWidget ();
+	if (increment < 1) return;
+	int minimum = (int) OS.RangeBase_Minimum(handle);
+	int maximum = (int) OS.RangeBase_Maximum(handle);
+	if (increment > maximum - minimum) return;
+	OS.RangeBase_SmallChange(handle, increment);
+}
+
+/**
+ * Sets the maximum value that the receiver will allow.  This new
+ * value will be ignored if it is not greater than the receiver's current
+ * minimum value.  If the new maximum is applied then the receiver's
+ * selection value will be adjusted if necessary to fall within its new range.
+ *
+ * @param value the new maximum, which must be greater than the current minimum
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setMaximum (int value) {
+	checkWidget ();
+	int minimum = (int) OS.RangeBase_Minimum (handle);
+	if (0 <= minimum && minimum < value) OS.RangeBase_Maximum (handle, value);
+}
+
+/**
+ * Sets the minimum value that the receiver will allow.  This new
+ * value will be ignored if it is negative or is not less than the receiver's
+ * current maximum value.  If the new minimum is applied then the receiver's
+ * selection value will be adjusted if necessary to fall within its new range.
+ *
+ * @param value the new minimum, which must be nonnegative and less than the current maximum
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setMinimum (int value) {
+	checkWidget ();
+	int maximum = (int) OS.RangeBase_Maximum (handle);
+	if (0 <= value && value < maximum) OS.RangeBase_Minimum (handle, value);
+}
+
+/**
+ * Sets the amount that the receiver's value will be
+ * modified by when the page increment/decrement areas
+ * are selected to the argument, which must be at least
+ * one.
+ *
+ * @param pageIncrement the page increment (must be greater than zero)
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setPageIncrement (int pageIncrement) {
+	checkWidget ();
+	if (pageIncrement < 1) return;
+	int minimum = (int) OS.RangeBase_Minimum(handle);
+	int maximum = (int) OS.RangeBase_Maximum(handle);
+	if (pageIncrement > maximum - minimum) return;
+	OS.RangeBase_LargeChange(handle, pageIncrement);
+	OS.Slider_TickFrequency(handle, pageIncrement);
+}
+
+/**
+ * Sets the 'selection', which is the receiver's value,
+ * to the argument which must be greater than or equal to zero.
+ *
+ * @param value the new selection (must be zero or greater)
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setSelection (int value) {
+	checkWidget ();
+	OS.RangeBase_Value (handle, value);
+}
+
+}