<Window x:Class="MouseMove.Window1"
xmlns:local="clr-namespace:MouseMove"
Title="Window1" Height="600" Width="800">
<Grid x:Name="MainPanel">
<Grid.Resources>
<TransformGroup x:Key="ImageTransformResource">
<ScaleTransform />
<TranslateTransform />
</TransformGroup>
</Grid.Resources>
<Grid.ColumnDefinitions>
<ColumnDefinition />
<ColumnDefinition />
</Grid.ColumnDefinitions>
<Rectangle Grid.Column="0" x:Name="MasterImage"
MouseLeftButtonDown="MasterImage_MouseLeftButtonDown"
MouseLeftButtonUp="MasterImage_MouseLeftButtonUp"
MouseMove="MasterImage_MouseMove"
MouseWheel="MasterImage_MouseWheel">
<Rectangle.Fill>
<VisualBrush Transform="{StaticResource ImageTransformResource}" Stretch="Uniform">
<VisualBrush.Visual>
<Image Source="G:\图片\z.gif" />
</VisualBrush.Visual>
</VisualBrush>
</Rectangle.Fill>
</Rectangle>
<Rectangle Grid.Column="1"
MouseLeftButtonDown="MasterImage_MouseLeftButtonDown"
MouseLeftButtonUp="MasterImage_MouseLeftButtonUp"
MouseMove="MasterImage_MouseMove"
MouseWheel="MasterImage_MouseWheel">
<Rectangle.Fill>
<VisualBrush Transform="{StaticResource ImageTransformResource}" Stretch="Uniform">
<VisualBrush.Visual>
<Image Source="G:\图片\z.gif" />
</VisualBrush.Visual>
</VisualBrush>
</Rectangle.Fill>
</Rectangle>
</Grid>
</Window>
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using System;
using System.Collections.Generic;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Diagnostics;
namespace MouseMove
{
/// <summary>
/// Interaction logic for Window1.xaml
/// </summary>
public partial class Window1 : Window
{
private bool m_IsMouseLeftButtonDown;
public Window1()
{
InitializeComponent();
}
private void MasterImage_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
Rectangle rectangle = sender as Rectangle;
if (rectangle == null)
return;
rectangle.ReleaseMouseCapture();
m_IsMouseLeftButtonDown = false;
}
private Point m_PreviousMousePoint;
private void MasterImage_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
Rectangle rectangle = sender as Rectangle;
if (rectangle == null)
return;
rectangle.CaptureMouse();
m_IsMouseLeftButtonDown = true;
m_PreviousMousePoint = e.GetPosition(rectangle);
}
private void MasterImage_MouseMove(object sender, MouseEventArgs e)
{
Rectangle rectangle = sender as Rectangle;
if (rectangle == null)
return;
if (m_IsMouseLeftButtonDown)
DoImageMove(rectangle, e);
}
private void DoImageMove(Rectangle rectangle, MouseEventArgs e)
{
//Debug.Assert(e.LeftButton == MouseButtonState.Pressed);
if (e.LeftButton != MouseButtonState.Pressed)
return;
TransformGroup group = MainPanel.FindResource("ImageTransformResource") as TransformGroup;
Debug.Assert(group != null);
TranslateTransform transform = group.Children[1] as TranslateTransform;
Point position = e.GetPosition(rectangle);
transform.X += position.X - m_PreviousMousePoint.X;
transform.Y += position.Y - m_PreviousMousePoint.Y;
m_PreviousMousePoint = position;
}
private void MasterImage_MouseWheel(object sender, MouseWheelEventArgs e)
{
TransformGroup group = MainPanel.FindResource("ImageTransformResource") as TransformGroup;
Debug.Assert(group != null);
ScaleTransform transform = group.Children[0] as ScaleTransform;
transform.ScaleX += e.Delta * 0.001;
transform.ScaleY += e.Delta * 0.001;
}
}
}
本文来自夜阑的博客，原文地址：http://lazynight.me/1904.html
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