[英]Why can't I see anything?
剛剛嘗試了一個 GUI 代碼,起初我可以在第一次編譯后看到文本和按鈕。 然后我嘗試將按鈕連接到 RadioButton,編譯后我只能看到純白色。
.xaml 代碼:
<Window x:Class="GUItest.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:GUItest"
mc:Ignorable="d"
Title="MainWindow" Height="855" Width="1628">
<Grid RenderTransformOrigin="0.500,0.525" Margin="0,0,0,-6">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="0*"/>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
<Grid>
<TextBlock HorizontalAlignment="Left" Margin="387,60,0,0" TextWrapping="Wrap" Text="Select an option:" VerticalAlignment="Top" Width="76"/>
</Grid>
<Grid>
<TextBlock HorizontalAlignment="Left" Margin="10,305,0,0" TextWrapping="Wrap" Text="Select an option:" VerticalAlignment="Top" Height="150" Width="237" RenderTransformOrigin="0.476,0.498"/>
<RadioButton x:Name="ABC" Content="ABC" HorizontalAlignment="Left" Margin="297,161,0,0" VerticalAlignment="Top"/>
<RadioButton x:Name="DEF" Content="DEF" HorizontalAlignment="Left" Margin="488,161,0,0" VerticalAlignment="Top"/>
</Grid>
<Grid>
<RadioButton x:Name="ABCButton" Content="ABC" IsChecked="True" HorizontalAlignment="Left" Margin="297,161,0,0" VerticalAlignment="Top"/>
<RadioButton x:Name="DEFButton" Content="DEF" HorizontalAlignment="Left" Margin="488,161,0,0" VerticalAlignment="Top"/>
<TextBlock HorizontalAlignment="Left" Margin="0,0,0,0" TextWrapping="Wrap" Text="Select an option:" VerticalAlignment="Top" Width="238" Height="143" RenderTransformOrigin="0.50-53,0.501">
<TextBlock.RenderTransform>
<TransformGroup>
<ScaleTransform/>
<SkewTransform AngleX="-0.1"/>
<RotateTransform/>
<TranslateTransform X="-0.332"/>
</TransformGroup>
</TextBlock.RenderTransform>
</TextBlock>
</Grid>
</Grid>
</Window>
這是 .xaml.cs 代碼:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
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 GUItest
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
private void Button_Click(object sender, RoutedEventArgs e)
{
if (ABCButton.IsChecked == true)
{
MessageBox.Show("ABC");
}
else if (DEFButton.IsChecked == true)
{
MessageBox.Show("DEF");
}
}
}
}
這只是我為了更好地理解 GUI 而制作的。
您的所有項目都位於第一列中,並且您的第一列的 ColumnWidth 為 0*。 這意味着寬度將為 0(倍)x,從而導致寬度為 0。
<Grid.ColumnDefinitions>
<ColumnDefinition Width="0*"/>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
嘗試制作此 * 或 2* 或其他內容,或將項目放在不同的列中。 祝你好運。
編輯:
可以通過以下方式將項目放在不同的列中:
<Grid Grid.Column="1">
<TextBlock HorizontalAlignment="Left" Margin="387,60,0,0" TextWrapping="Wrap" Text="Select an option:" VerticalAlignment="Top" Width="76"/>
</Grid>
<Grid Grid.Column="1"> <!-- Here the 1 means place this grid in the first column of the main grid -->
<TextBlock HorizontalAlignment="Left" Margin="10,305,0,0" TextWrapping="Wrap" Text="Select an option:" VerticalAlignment="Top" Height="150" Width="237" RenderTransformOrigin="0.476,0.498"/>
<RadioButton x:Name="ABC" Content="ABC" HorizontalAlignment="Left" Margin="297,161,0,0" VerticalAlignment="Top"/>
<RadioButton x:Name="DEF" Content="DEF" HorizontalAlignment="Left" Margin="488,161,0,0" VerticalAlignment="Top"/>
</Grid>
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