xaml-csharp-development-skill-for-avalonia

WPF Text, Typography, Documents, and Rich Content to Avalonia

Table of Contents

1. Scope and APIs
2. Text and Rich Content Mapping
3. Conversion Example
4. Avalonia C# Equivalent
5. Troubleshooting

Scope and APIs

Primary WPF APIs:

• TextBlock, TextBox, typography properties
• FlowDocument/RichTextBox
• formatted text and inline elements

Primary Avalonia APIs:

• TextBlock, TextBox
• inline text runs in TextBlock
• FormattedText/TextLayout for advanced text rendering

Text and Rich Content Mapping

WPF	Avalonia
TextBlock + inline runs	same concept
TextBox editing behaviors	same concept with Avalonia input options
FlowDocument/RichTextBox	no direct core equivalent; use custom/third-party solutions

Conversion Example

WPF XAML:

<TextBlock>
  <Run Text="Total: " />
  <Run Text="$420" FontWeight="Bold" />
</TextBlock>

Avalonia XAML:

<TextBlock xmlns="https://github.com/avaloniaui"
           xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
  <Run Text="Total: " />
  <Run Text="$420" FontWeight="Bold" />
</TextBlock>

Avalonia C# Equivalent

using Avalonia.Controls;
using Avalonia.Documents;
using Avalonia.Media;

var text = new TextBlock();
text.Inlines.Add(new Run("Total: "));
text.Inlines.Add(new Run("$420") { FontWeight = FontWeight.Bold });

Troubleshooting

1. expecting direct FlowDocument parity.
   • move to template-driven rich views or integrate a specialized document component.
2. typography differs after port.
   • align font family/weight/line-height and text rendering settings explicitly.
3. rich text editor functionality missing.
   • plan a dedicated editor integration instead of forcing TextBox parity.

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