Implementing MaskedTextBox

Guide for implementing Syncfusion® WinUI MaskedTextBox (SfMaskedTextBox) — an advanced input control that restricts and formats user input using customizable mask patterns, supporting both simple and regex-based masks with error indication and validation.

When to Use This Skill

Use this skill when you need to:

• Create masked input fields with pattern validation in WinUI applications
• Implement phone number fields with formatted input like (555) 123-4567
• Add email validation using regex patterns
• Create date entry fields with visual placeholders
• Build product key inputs like XXXXX-XXXXX-XXXXX
• Validate SSN, credit cards, IP addresses with custom masks
• Show error indication with icons and tooltips
• Customize prompt characters for empty fields
• Format values for display and clipboard operations
• Add headers and descriptions to input fields

This skill covers complete MaskedTextBox implementation including mask types, validation, error handling, and customization.