Avalonia:如何在桌面和WebAssembly中显示对话框(模态)的就绪解决方案?
创始人
2024-11-12 19:30:39
0

Avalonia是一个跨平台UI框架,它支持显示对话框(模态)的解决方案。以下是在Avalonia中显示模态对话框的示例代码:

using Avalonia.Controls;
using Avalonia.Threading;

public async Task ShowDialogAsync(Window parent)
{
    // create the dialog
    var dialog = new MyDialog();

    // set the owner of the dialog to the parent window
    dialog.Owner = parent;

    // show the dialog
    var result = await dialog.ShowDialogAsync();

    // handle the dialog result
    if (result.HasValue)
    {
        if (result.Value)
        {
            // user clicked the OK button
        }
        else
        {
            // user clicked the Cancel button
        }
    }
}

public class MyDialog : Window
{
    public MyDialog()
    {
        // set the dialog properties
        this.Height = 150;
        this.Width = 300;
        this.Title = "My Dialog";
        this.WindowStartupLocation = WindowStartupLocation.CenterOwner;

        // add the dialog content
        var panel = new StackPanel();
        this.Content = panel;

        var textBlock = new TextBlock();
        textBlock.Text = "Hello, World!";
        panel.Children.Add(textBlock);

        var buttonPanel = new StackPanel();
        buttonPanel.Orientation = Orientation.Horizontal;
        panel.Children.Add(buttonPanel);

        var okButton = new Button();
        okButton.Content = "OK";
        okButton.Click += OkButton_Click;
        buttonPanel.Children.Add(okButton);

        var cancelButton = new Button();
        cancelButton.Content = "Cancel";
        cancelButton.Click += CancelButton_Click;
        buttonPanel.Children.Add(cancelButton);
    }

    private void OkButton_Click(object sender, RoutedEventArgs e)
    {
        // set the dialog result to true and close the dialog
        this.DialogResult = true;
        this.Close();
    }

    private void CancelButton_Click(object sender, RoutedEventArgs e)
    {
        // set the dialog result to false and close the dialog
        this.DialogResult = false;
        this.Close();
    }
}

在方法ShowDialogAsync中,首先创建对话框MyDialog,并将其所有者设置为父窗口。然后,使用await和ShowDialogAsync方法来显示对话框。最后,在对话框的按钮单击事件处理程序中设置对话框结果,并使用Close方法关闭对话框。

要在WebAssembly中显示模态对话框,您可以使用Blazor WebAssembly。在Blazor WebAssembly中使用Avalonia是

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