Mega Code Archive
A Simple Canvas Control and Three Image Controls
<![CDATA[
<UserControl x:Class='SilverlightApplication3.MainPage'
xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation'
xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'
xmlns:d='http://schemas.microsoft.com/expression/blend/2008'
xmlns:mc='http://schemas.openxmlformats.org/markup-compatibility/2006'
mc:Ignorable='d'
d:DesignWidth='640'
d:DesignHeight='480'>
<Grid x:Name="LayoutRoot" Background="White">
<Canvas x:Name="myCanvas"
Background="LightBlue">
<Image x:Name="Image1"
Source="/image1.jpg"
Height="100"
MouseLeftButtonDown="dragMouseLeftButtonDown"
MouseLeftButtonUp="dragMouseLeftButtonUp"
MouseMove="dragMouseMove"/>
<Image x:Name="Image2"
Source="/image2.jpg"
Height="100"
MouseLeftButtonDown="dragMouseLeftButtonDown"
MouseLeftButtonUp="dragMouseLeftButtonUp"
MouseMove="dragMouseMove"/>
<Image x:Name="Image3"
Source="/image3.jpg"
Height="100"
MouseLeftButtonDown="dragMouseLeftButtonDown"
MouseLeftButtonUp="dragMouseLeftButtonUp"
MouseMove="dragMouseMove"/>
</Canvas>
</Grid>
</UserControl>
//File: Page.xaml.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
namespace SilverlightApplication3
{
public partial class MainPage : UserControl
{
Point lastPosition;
Boolean isCaptured = false;
public MainPage()
{
InitializeComponent();
}
void dragMouseMove(object sender, MouseEventArgs e)
{
var img = sender as Image;
if (isCaptured){
double moveX = e.GetPosition(this).X - lastPosition.X;
double moveY = e.GetPosition(this).Y - lastPosition.Y;
Canvas.SetTop(img, moveY);
Canvas.SetLeft(img, moveX);
}
}
void dragMouseLeftButtonUp(object sender, MouseButtonEventArgs e){
var img = sender as Image;
img.ReleaseMouseCapture();
isCaptured = false;
}
void dragMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
var img = sender as Image;
lastPosition = e.GetPosition(img);
isCaptured = true;
img.CaptureMouse();
}
}
}
]]>