Message

1）Xaml

<StackPanel
            Grid.Row="1"
            HorizontalAlignment="Center"
            VerticalAlignment="Bottom"
            Orientation="Horizontal">
            <Button
                Click="AddButton_Click"
                Content="Info Message"
                Style="{StaticResource WD.SuccessPrimaryButton}"
                Tag="Info" />
            <Button
                Click="AddButton_Click"
                Content="Error Message"
                Style="{StaticResource WD.DangerPrimaryButton}"
                Tag="Error" />
            <Button
                Click="AddButton_Click"
                Content="Warning Message"
                Style="{StaticResource WD.WarningPrimaryButton}"
                Tag="Warning" />
            <Button
                Click="AddButton_Click"
                Content="Question Message"
                Style="{StaticResource WD.PrimaryButton}"
                Tag="Question" />
            <Button
                Click="AddButton_Click"
                Content="Long Message"
                Style="{StaticResource WD.SuccessPrimaryButton}"
                Tag="Long" />
        </StackPanel>

2）CSharp

        private void AddButton_Click(object sender, RoutedEventArgs e)
        {
            var btn = sender as Button;
            switch (btn.Tag)
            {
                case "Info":
                    Message.Push(App.Current.MainWindow, "This is a info message", MessageBoxImage.Information);
                    break;
                case "Error":
                    Message.Push("This is a error message", MessageBoxImage.Error, true);
                    break;
                case "Warning":
                    Message.Push("This is a warning message", MessageBoxImage.Warning, true);
                    break;
                case "Question":
                    Message.Push("This is a question message", MessageBoxImage.Question);
                    break;
                default:
                    Message.Push("这是一条很长长长长长长长长长长长长长长长长长长长长长长长长长长长长长长长长长长长长长长长长长长长长长长长长长长长长消息", MessageBoxImage.Information);
                    break;
            }
        }