Otiel WpfMessageBox by: Otiel .NET 9.0 This package targets .NET 9.0. The package is compatible with this framework or higher. .NET Framework 4.8 This package targets .NET Framework 4.8. The package is compatible with this framework or higher. 10,887 total downloads last updated 11/29/2025 Latest version: 2.0.0 wpf messagebox message box A WPF message box, with optional features like custom buttons, textbox and checkbox.