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程序的效果图:
由于程序比较简单,所以我就直接上代码好了.
以下是WPF的XAML代码:-
- <Window x:Class="WpfApplication6.MainWindow"
- xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
- xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
- Title="MainWindow" Height="300" Width="400"
- xmlns:Microsoft_Windows_ThemesAero="clr-namespace:Microsoft.Windows.Themes;assembly=PresentationFramework.Aero">
- <Window.Resources>
- <ResourceDictionary>
- <ResourceDictionary.MergedDictionaries>
- <ResourceDictionary Source="/PresentationFramework.Royale, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35;component/themes/Royale.normalcolor.xaml" />
- </ResourceDictionary.MergedDictionaries>
- </ResourceDictionary>
- </Window.Resources>
- <Viewbox Stretch="Uniform">
- <Grid Width="430" Height="300" Horiz VerticalAlignment="Top">
- <Grid.ColumnDefinitions>
- <ColumnDefinition Width="150"/>
- <ColumnDefinition Width="280"/>
- </Grid.ColumnDefinitions>
- <Grid Width="140" Height="300" Margin="5,10,5,5">
- <Grid.ColumnDefinitions>
- <ColumnDefinition Width="60"/>
- <ColumnDefinition Width="70"/>
- </Grid.ColumnDefinitions>
- <Grid.RowDefinitions>
- <RowDefinition Height="Auto"/>
- <RowDefinition Height="Auto"/>
- <RowDefinition Height="Auto"/>
- <RowDefinition Height="Auto"/>
- <RowDefinition Height="Auto"/>
- <RowDefinition Height="Auto"/>
- <RowDefinition Height="Auto"/>
- </Grid.RowDefinitions>
- <TextBlock Horiz Grid.Column="0" Grid.Row="0" Margin="5,5,10,5">X1</TextBlock>
- <TextBox Name="tbX1" Grid.Column="1" Grid.Row="0" TextAlignment="Center">50</TextBox>
- <TextBlock Horiz Grid.Column="0" Grid.Row="1" Margin="5,5,10,5">Y1</TextBlock>
- <TextBox Name="tbY1" Grid.Column="1" Grid.Row="1" TextAlignment="Center">200</TextBox>
- <TextBlock Horiz Grid.Column="0" Grid.Row="2" Margin="5,5,10,5">X2</TextBlock>
- <TextBox Name="tbX2" Grid.Column="1" Grid.Row="2" TextAlignment="Center">150</TextBox>
- <TextBlock Horiz Grid.Column="0" Grid.Row="3" Margin="5,5,10,5">Y2</TextBlock>
- <TextBox Name="tbY2" Grid.Column="1" Grid.Row="3" TextAlignment="Center">100</TextBox>
- <TextBlock Horiz Grid.Column="0" Grid.Row="4" Margin="5,5,10,5">Length</TextBlock>
- <TextBox Name="tbLength" Grid.Column="1" Grid.Row="4" TextAlignment="Center">100</TextBox>
- <Button Click="Button_Click" Margin="15,20,15,5" Grid.Row="5" Height="25" Grid.ColumnSpan="2" Grid.Column="0">Apply</Button>
- <Button Click="Button_Click_1" Margin="15,0,15,5" Grid.Row="6" Height="25" Grid.ColumnSpan="2" Grid.Column="0">Close</Button>
- </Grid>
- <Canvas Name="canvas1" Grid.Column="1" Margin="10" ClipToBounds="True" Width="270" Height="280">
- <TextBlock Name="tbPoint1" Canvas.Top="10">Point1</TextBlock>
- <TextBlock Name="tbPoint2" Canvas.Top="10">Point2</TextBlock>
- <TextBlock Name="tbPoint3" Canvas.Top="10">Point3</TextBlock>
- <TextBlock Name="tbPoint4" Canvas.Top="10">Point4</TextBlock>
- </Canvas>
- </Grid>
- </Viewbox>
- </Window>
以下是WPF后台的C#代码:-
- using System;
- using System.Windows;
- using System.Windows.Controls;
- using System.Windows.Media;
- using System.Windows.Shapes;
- namespace WpfApplication6
- {
- /// <summary>
- /// MainWindow.xaml 的交互逻辑
- /// </summary>
- public partial class MainWindow : Window
- {
- private Line line1;
- private Line line2;
- public MainWindow()
- {
- InitializeComponent();
- Rectangle rect = new Rectangle();
- rect.Stroke = Brushes.Black;
- rect.Width = canvas1.Width;
- rect.Height = canvas1.Height;
- canvas1.Children.Add(rect);
- line1 = new Line();
- line2 = new Line();
- AddLines();
- }
- private void AddLines()
- {
- Point pt1 = new Point();
- Point pt2 = new Point();
- pt1.X = Convert.ToDouble(this.tbX1.Text);
- pt1.Y = Convert.ToDouble(this.tbY1.Text);
- pt2.X = Convert.ToDouble(this.tbX2.Text);
- pt2.Y = Convert.ToDouble(this.tbY2.Text);
- double length = 0.5 * Convert.ToDouble(tbLength.Text);
- line1 = new Line();
- line1.X1 = pt1.X;
- line1.Y1 = pt1.Y;
- line1.X2 = pt2.X;
- line1.Y2 = pt2.Y;
- line1.Stroke = Brushes.Gray;
- line1.StrokeThickness = 4;
- canvas1.Children.Add(line1);
- Canvas.SetLeft(tbPoint1, pt1.X);
- Canvas.SetTop(tbPoint1, pt1.Y);
- Canvas.SetLeft(tbPoint2, pt2.X);
- Canvas.SetTop(tbPoint2, pt2.Y);
- tbPoint1.Text = "Pt1(" + pt1.ToString() + ")";
- tbPoint2.Text = "Pt2(" + pt2.ToString() + ")";
- Vector v1 = pt1 - pt2;
- Matrix m1 = new Matrix();
- Point pt3 = new Point();
- Point pt4 = new Point();
- m1.Rotate(-90);
- v1.Normalize();
- v1 *= length;
- line2 = new Line();
- line2.Stroke = Brushes.Gray;
- line2.StrokeDashArray = DoubleCollection.Parse("3,1");
- pt3 = pt2 + v1 * m1;
- //m1 = new Matrix();
- //m1.Rotate(90);
- pt4 = pt2 - v1 * m1;
- line2.X1 = pt3.X;
- line2.Y1 = pt3.Y;
- line2.X2 = pt4.X;
- line2.Y2 = pt4.Y;
- canvas1.Children.Add(line2);
- Canvas.SetLeft(tbPoint3, pt3.X);
- Canvas.SetTop(tbPoint3, pt3.Y);
- Canvas.SetLeft(tbPoint4, pt4.X);
- Canvas.SetTop(tbPoint4, pt4.Y);
- pt3.X = Math.Round(pt3.X, 0);
- pt3.Y = Math.Round(pt3.Y, 0);
- pt4.X = Math.Round(pt4.X, 0);
- pt4.Y = Math.Round(pt4.Y, 0);
- tbPoint3.Text = "Pt3(" + pt3.ToString() + ")";
- tbPoint4.Text = "Pt4(" + pt4.ToString() + ")";
- }
- private void Button_Click(object sender, RoutedEventArgs e)
- {
- if (line1 != null)
- canvas1.Children.Remove(line1);
- if (line2 != null)
- canvas1.Children.Remove(line2);
- AddLines();
- }
- private void Button_Click_1(object sender, RoutedEventArgs e)
- {
- this.Close();
- }
- }
- }
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【精华】好文章 转成2008最好,做个直接 |
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