csharp System.Windows.FrameworkElement.DefaultStyleKey类(方法)实例源码

//引入命名空间
using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Automation.Peers;
using System.Windows.Automation.Provider;
using System.Windows.Automation;
using System.Globalization;
using System.Diagnostics;

namespace CustomControlLibrary
{
    public partial class NumericUpDown : Control
    {
        static NumericUpDown()
        {
            InitializeCommands();

            // Listen to MouseLeftButtonDown event to determine if slide should move focus to itself
            EventManager.RegisterClassHandler(typeof(NumericUpDown), 
                Mouse.MouseDownEvent, new MouseButtonEventHandler(NumericUpDown.OnMouseLeftButtonDown), true);

            DefaultStyleKeyProperty.OverrideMetadata(typeof(NumericUpDown), new FrameworkPropertyMetadata(typeof(NumericUpDown)));
        }
    }
}