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思路：

1、用BLAND绘制背景图

2、布局BUTTON，并建立BUTTON的样式模版

3、由计时器负责对地图显示层进行位置偏移，通过鼠标左键按下来启动计时器，鼠标离开或抬起关闭计时器。

先来看看效果

http://files.cnblogs.com/fxhome/fxhomeSoftMaps_move.xap

代码

代码

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
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;
using System.Windows.Threading;

namespace fxhomeSoftMaps
{
    public partial class roundLogoControl : UserControl
    {
        public roundLogoControl()
        {
            InitializeComponent();
            this.Loaded += new RoutedEventHandler(roundLogoControl_Loaded);
        }

        void roundLogoControl_Loaded(object sender, RoutedEventArgs e)
        {
            createDispatcherTimer();
            rightMove.AddHandler(Button.MouseLeftButtonDownEvent, new MouseButtonEventHandler(rightMove_MouseLeftButtonDown), true);
            rightMove.AddHandler(Button.MouseLeftButtonUpEvent, new MouseButtonEventHandler(Move_MouseLeftButtonUp), true);
            leftMove.AddHandler(Button.MouseLeftButtonDownEvent, new MouseButtonEventHandler(leftMove_MouseLeftButtonDown), true);
            leftMove.AddHandler(Button.MouseLeftButtonUpEvent, new MouseButtonEventHandler(Move_MouseLeftButtonUp), true);
            topMove.AddHandler(Button.MouseLeftButtonDownEvent, new MouseButtonEventHandler(topMove_MouseLeftButtonDown), true);
            topMove.AddHandler(Button.MouseLeftButtonUpEvent, new MouseButtonEventHandler(Move_MouseLeftButtonUp), true);
            bottomMove.AddHandler(Button.MouseLeftButtonDownEvent, new MouseButtonEventHandler(bottomMove_MouseLeftButtonDown), true);
            bottomMove.AddHandler(Button.MouseLeftButtonUpEvent, new MouseButtonEventHandler(Move_MouseLeftButtonUp), true);

        }

        DispatcherTimer timer = new DispatcherTimer();

        string moveType;

        private view_indexMap _viewIndexMap;
        public view_indexMap viewIndexMap
        {
            set
            {
                _viewIndexMap = value;
            }
            get
            {
                return _viewIndexMap;
            }
        }

        void createDispatcherTimer()
        {
            timer.Interval = new TimeSpan(0, 0, 0, 0, 5);
            timer.Tick += new EventHandler(timer_Tick);
        }

        void moveObject()
        {
            double p = 1;
            if (moveType == "left")
            {
                p = viewIndexMap.viewboxCT.TranslateX - p;
                viewIndexMap.viewboxCT.TranslateX = p;
            }
            if (moveType == "up")
            {
                p = viewIndexMap.viewboxCT.TranslateY - p;
                viewIndexMap.viewboxCT.TranslateY = p;
            }
            if (moveType == "right")
            {
                p = viewIndexMap.viewboxCT.TranslateX + p;
                viewIndexMap.viewboxCT.TranslateX = p;
            }
            if (moveType == "down")
            {
                p = viewIndexMap.viewboxCT.TranslateY + p;
                viewIndexMap.viewboxCT.TranslateY = p;
            }
        }

        void timer_Tick(object sender, EventArgs e)
        {
            moveObject();
        }

        private void Move_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
        {
            timer.Stop();
        }

        private void rightMove_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            moveType = "right";
            timer.Start();
        }

        private void bottomMove_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            moveType = "down";
            timer.Start();
        }

        private void topMove_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            moveType = "up";
            timer.Start();
        }

        private void leftMove_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            moveType = "left";
            timer.Start();
        }

        private void restoreButton_Click(object sender, RoutedEventArgs e)
        {
            viewIndexMap.viewboxCT.TranslateX = 0;
            viewIndexMap.viewboxCT.TranslateY = 0;
        }
    }

}

作者: fxhome 软件快餐店发表于 2011-01-06 17:10 原文链接

关键字 fxhomesoft,silverlight地图引擎开发教程之地图移动控件

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