Example: MVVM Bindings And Input Validation

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• Basic WPF .Net Core MVVM Application
• TextBox has a Binding to ViewModel
• TextBox has an Validation (e.g. only one word is allowed)
• TextBlock has the same Binding to ViewModel as TextBox (so you can see the state of the ViewModel)
• Button is disabled if input is invalid
• Border of TextBox is red if input is invalid
• A Tooltip is active (e.g. if you hover over the TextBox) if input is invalid
• Readme.md explains this example with code excerpts
• The root Readme.md reference this examples Readme.md