Skip navigation

Use TextInput event to block user input

Use TextInput event to block user input: Windows Presentation Foundation: 3 Events and the Event Model
Use TextInput event to block user input: Windows Presentation Foundation: 3 Events and the Event Model

Input validation is a critical tool for cleansing user data. This video shows how to use the PreviewTextInput event to disallow certain key values in a TextBox.

Resume Transcript Auto-Scroll
Skill Level Intermediate
1h 48m
Duration
19,644
Views
Show More Show Less

Continue Assessment

You started this assessment previously and didn't complete it. You can pick up where you left off, or start over.

Start My Free Month

Start your free month on LinkedIn Learning, which now features 100% of Lynda.com courses. Develop in-demand skills with access to thousands of expert-led courses on business, tech and creative topics.

Start My Free Month

You are now leaving Lynda.com and will be automatically redirected to LinkedIn Learning to start your free trial.