Command Binding

using Prism.Commands;
using Prism.Mvvm;
using System.Windows.Input;


public partial class MainWindowViewModel : BindableBase
{
    ...


    public ICommand StartCommand { get; set; }

    public MainWindowViewModel()
    {
        Initialize_Command();
    }

	void Initialize_Command()
    {
        StartCommand = new DelegateCommand<string>(StartCommand_Function);
    }

    void StartCommand_Function(string para)
    {
        // command procedure
    }

    ...
}