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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls.Primitives;
using System.Windows.Input;
namespace BreadCrumbControl
{
/// <summary>
/// Allows moving of Popup using a Thumb
/// </summary>
public class PopupBehaviours
{
#region IsMoveEnabled DP
public static Boolean GetIsMoveEnabledProperty(DependencyObject obj)
{
return (Boolean)obj.GetValue(IsMoveEnabledPropertyProperty);
}
public static void SetIsMoveEnabledProperty(DependencyObject obj, Boolean value)
{
obj.SetValue(IsMoveEnabledPropertyProperty, value);
}
// Using a DependencyProperty as the backing store for IsMoveEnabledProperty. This enables animation, styling, binding, etc...
public static readonly DependencyProperty IsMoveEnabledPropertyProperty =
DependencyProperty.RegisterAttached("IsMoveEnabledProperty",
typeof(Boolean), typeof(PopupBehaviours), new UIPropertyMetadata(false, OnIsMoveStatedChanged));
private static void OnIsMoveStatedChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
Thumb thumb = (Thumb)sender;
if (thumb == null) return;
thumb.DragStarted -= Thumb_DragStarted;
thumb.DragDelta -= Thumb_DragDelta;
thumb.DragCompleted -= Thumb_DragCompleted;
if (e.NewValue != null && e.NewValue.GetType() == typeof(Boolean))
{
thumb.DragStarted += Thumb_DragStarted;
thumb.DragDelta += Thumb_DragDelta;
thumb.DragCompleted += Thumb_DragCompleted;
}
}
#endregion
#region Private Methods
private static void Thumb_DragCompleted(object sender, DragCompletedEventArgs e)
{
Thumb thumb = (Thumb)sender;
thumb.Cursor = null;
}
private static void Thumb_DragDelta(object sender, DragDeltaEventArgs e)
{
Thumb thumb = (Thumb)sender;
Popup popup = thumb.Tag as Popup;
if (popup != null)
{
popup.HorizontalOffset += e.HorizontalChange;
popup.VerticalOffset += e.VerticalChange;
}
}
private static void Thumb_DragStarted(object sender, DragStartedEventArgs e)
{
Thumb thumb = (Thumb)sender;
thumb.Cursor = Cursors.Hand;
}
#endregion
}
}
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I currently hold the following qualifications (amongst others, I also studied Music Technology and Electronics, for my sins)
- MSc (Passed with distinctions), in Information Technology for E-Commerce
- BSc Hons (1st class) in Computer Science & Artificial Intelligence
Both of these at Sussex University UK.
Award(s)
I am lucky enough to have won a few awards for Zany Crazy code articles over the years
- Microsoft C# MVP 2016
- Codeproject MVP 2016
- Microsoft C# MVP 2015
- Codeproject MVP 2015
- Microsoft C# MVP 2014
- Codeproject MVP 2014
- Microsoft C# MVP 2013
- Codeproject MVP 2013
- Microsoft C# MVP 2012
- Codeproject MVP 2012
- Microsoft C# MVP 2011
- Codeproject MVP 2011
- Microsoft C# MVP 2010
- Codeproject MVP 2010
- Microsoft C# MVP 2009
- Codeproject MVP 2009
- Microsoft C# MVP 2008
- Codeproject MVP 2008
- And numerous codeproject awards which you can see over at my blog