xaml：

        
             
                  
       
        editing mode
                   
       selection            
       draw            
       erase            
       
        choss color:
                   
                   
                   
                   
               
              
                          
          
     
    

 

后台：

using System;using System.Collections.Generic;using System.Linq;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;namespace WpfApplication1{    /// 
    /// MainWindow.xaml 的交互逻辑    /// 
    public partial class MainWindow : Window    {        public MainWindow()        {            InitializeComponent();         }        private void btnerase_Click(object sender, RoutedEventArgs e)        {            inkcanvas1.EditingMode = System.Windows.Controls.InkCanvasEditingMode.EraseByPoint;        }        private void rectred_MouseDown(object sender, MouseButtonEventArgs e)        {            inkcanvas1.DefaultDrawingAttributes.Color = System.Windows.Media.Colors.Red;        }        private void btndraw_Click(object sender, RoutedEventArgs e)        {            inkcanvas1.EditingMode = System.Windows.Controls.InkCanvasEditingMode.Ink;        }        private void rectgreen_MouseDown(object sender, MouseButtonEventArgs e)        {            inkcanvas1.DefaultDrawingAttributes.Color = System.Windows.Media.Colors.Green;        }        private void rectblue_MouseDown(object sender, MouseButtonEventArgs e)        {            inkcanvas1.DefaultDrawingAttributes.Color = System.Windows.Media.Colors.Blue;        }        private void rectyellow_MouseDown(object sender, MouseButtonEventArgs e)        {            inkcanvas1.DefaultDrawingAttributes.Color = System.Windows.Media.Colors.Yellow;;        }        private void btnselection_Click(object sender, RoutedEventArgs e)        {            inkcanvas1.EditingMode = System.Windows.Controls.InkCanvasEditingMode.Select;        }    }}

 

效果：