我想在WPF应用程序中的画布上画一条线。我的问题是,如果我添加在画布上突出显示的线坐标,我也可以看到这部分线。
我附加了一张图片。
黄色框是我的画布区域。
<Window x:Name="MainWindow01" x:Class="_001Linewpf.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:_001Linewpf"
mc:Ignorable="d"
Title="Scaleit" Height="874" Width="1024" Loaded="MainWindow01_Loaded">
<Grid ShowGridLines="True">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="80"></ColumnDefinition>
<ColumnDefinition Width="*"></ColumnDefinition>
<ColumnDefinition Width="250"></ColumnDefinition>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="80"></RowDefinition>
<RowDefinition Height="*"></RowDefinition>
<RowDefinition Height="80"></RowDefinition>
</Grid.RowDefinitions>
<Grid Grid.Row="0" Grid.ColumnSpan="3" HorizontalAlignment="Center" VerticalAlignment="Center"></Grid>
<Grid Grid.Row="1" Grid.Column="0" HorizontalAlignment="Center" VerticalAlignment="Center"></Grid>
<Grid Name="drawgrid" Background="Yellow" Grid.Row="1" Grid.Column="1">
<Border x:Name="CanvasBorder" BorderThickness="5" BorderBrush="Black">
<Canvas x:Name="Canvas01">
<Canvas.Background>
<SolidColorBrush Color="Black" Opacity="0.15"/>
</Canvas.Background>
</Canvas>
</Border>
</Grid>
<Grid Grid.Row="1" Grid.Column="2" HorizontalAlignment="Center" VerticalAlignment="Center"></Grid>
<Grid Grid.Row="2" Grid.ColumnSpan="3" HorizontalAlignment="Center" VerticalAlignment="Center"></Grid>
<Label x:Name="Label01" Content="Label" Grid.Column="2" HorizontalAlignment="Left" Margin="152,49,0,0" Grid.Row="1" VerticalAlignment="Top"/>
<Label x:Name="Label02" Content="Label" Grid.Column="2" HorizontalAlignment="Left" Margin="152,139,0,0" Grid.Row="1" VerticalAlignment="Top"/>
</Grid>
这是我的C#
private void MainWindow01_Loaded(object sender, RoutedEventArgs e)
{
Line myLine = new Line();
myLine.Stroke = System.Windows.Media.Brushes.Black;
myLine.X1 = 100;
myLine.X2 = 600; // 150 too far
myLine.Y1 = 100;
myLine.Y2 = -200;
myLine.StrokeThickness = 1;
Canvas01.Children.Add(myLine);
//Label01.Content = "x: " + drawgrid.Point;
//Label02.Content = "y: " + drawgrid.Height.ToString();
}
}
}
我只想绘制画布区域。就像一个cad程序。表单的其他部分将是按钮等。
答案 0 :(得分:0)
您可以将ClipToBounds
设置为true:
<Canvas x:Name="Canvas01" ClipToBounds="True">
<Canvas.Background>
<SolidColorBrush Color="Black" Opacity="0.15"/>
</Canvas.Background>
</Canvas>