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最近在看《深入浅出WPF》，在做练习的时候自己做了一下扩展，在此记下：
XAML代码：
1 <Window x:Class="TestCanvas.MainWindow" 2 xmlns="/winfx//xaml/presentation" 3 xmlns:x="/winfx//xaml" 4 Title="登录" Height="110px" Width="300px" WindowStartupLocation="CenterScreen" WindowStyle="None" 5 MaxHeight="110px" MaxWidth="300px" MinHeight="110px" MinWidth="300px" MouseDown="Mouse_downHandler"> 6<Canvas> 7 <TextBlock Text="用户名：" Canvas.Left="12px" Canvas.Top="12px"/> 8 <TextBox x:Name="tbUserName" Height="23px" Width="200px" BorderBrush="Black" Canvas.Left="66px" Canvas.Top="9px"/> 9 <TextBlock Text="密码：" Canvas.Left="12px" Canvas.Top="40.72px" Height="16px" Width="36px"/>10 <TextBox x:Name="tbPasword" Height="23px" Width="200px" BorderBrush="Black" Canvas.Left="66px" Canvas.Top="38px"/>11 <Button Content="登录" Width="80px" Height="23px" Canvas.Left="66" Canvas.Top="67px"/>12 <Button Content="退出" Width="80px" Height="23px" Canvas.Left="186" Canvas.Top="67px" Click="Close_clickHandler"/>13</Canvas>14 </Window>
CSharp代码：
1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Runtime.InteropServices; 5 using System.Text; 6 using System.Threading.Tasks; 7 using System.Windows; 8 using System.Windows.Controls; 9 using System.Windows.Data;10 using System.Windows.Documents;11 using System.Windows.Input;12 using System.Windows.Media;13 using System.Windows.Media.Imaging;14 using System.Windows.Navigation;15 using System.Windows.Shapes;16 17 namespace TestCanvas18 {19/// <summary>20/// MainWindow.xaml 的交互逻辑21/// </summary>22public partial class MainWindow : Window23{24 [StructLayout(LayoutKind.Sequential)]25 public struct POINT26 {27 public int X;28 public int Y;29 30 public POINT(int x, int y)31 {32 this.X = x;33 this.Y = y;34 }35 }36 37 [DllImport("user32.dll", CharSet = CharSet.Auto)]38 public static extern bool GetCursorPos(out POINT pt);39 40 public MainWindow()41 {42 InitializeComponent();43 }44 45 public void Close_clickHandler(Object sender, RoutedEventArgs e)46 {47 this.Close();48 }49 50 private void Mouse_downHandler(object sender, MouseButtonEventArgs e)51 {52 Point p = e.MouseDevice.GetPosition(this); //获取鼠标相对位置53 54 MainWindow.POINT pit = new MainWindow.POINT();55 MainWindow.GetCursorPos(out pit); //获取鼠标绝对位置56 57 StringBuilder sbRel = new StringBuilder();58 sbRel.Append("相对位置：(");59 sbRel.Append(p.X);60 sbRel.Append(",");61 sbRel.Append(p.Y);62 sbRel.Append(")");63 tbUserName.Text = sbRel.ToString();64 65 StringBuilder sbAbs = new StringBuilder();66 sbAbs.Append("绝对位置：(");67 sbAbs.Append(pit.X);68 sbAbs.Append(",");69 sbAbs.Append(pit.Y);70 sbAbs.Append(")");71 tbPasword.Text = sbAbs.ToString();72 }73}74 }
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