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55 lines
1.8 KiB
C#
55 lines
1.8 KiB
C#
Use LengthConverter
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<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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x:Class="Canvas_Positioning_Properties.Window1"
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Title="Canvas Positioning Properties">
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<StackPanel>
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<Canvas Name="canvas1" Height="360">
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<TextBlock Name="text1" FontWeight="Bold" Canvas.Left="0" Canvas.Right="0" Canvas.Top="0" Canvas.Bottom="0">I Love Clementine</TextBlock>
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</Canvas>
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<ListBox Grid.Column="3" Grid.Row="1" VerticalAlignment="Top" Width="60" Margin="10,0,0,0" SelectionChanged="ChangeLeft">
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<ListBoxItem>Auto</ListBoxItem>
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<ListBoxItem>a</ListBoxItem>
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<ListBoxItem>b</ListBoxItem>
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<ListBoxItem>c</ListBoxItem>
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<ListBoxItem>d</ListBoxItem>
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<ListBoxItem>e</ListBoxItem>
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<ListBoxItem>f</ListBoxItem>
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<ListBoxItem>g</ListBoxItem>
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<ListBoxItem>h</ListBoxItem>
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<ListBoxItem>i</ListBoxItem>
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<ListBoxItem>j</ListBoxItem>
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</ListBox>
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</StackPanel>
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</Window>
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//File:Window.xaml.cs
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using System;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Documents;
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using System.Windows.Navigation;
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using System.Windows.Shapes;
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using System.Windows.Data;
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namespace Canvas_Positioning_Properties
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{
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public partial class Window1 : Window
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{
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public void ChangeLeft(object sender, SelectionChangedEventArgs args)
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{
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ListBoxItem li = ((sender as ListBox).SelectedItem as ListBoxItem);
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LengthConverter myLengthConverter = new LengthConverter();
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Double db1 = (Double)myLengthConverter.ConvertFromString(li.Content.ToString());
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Canvas.SetLeft(text1, db1);
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Console.WriteLine(myLengthConverter.ConvertToString(Canvas.GetLeft(text1)));
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}
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}
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}
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