我正在尝试更改前景颜色

问题描述

大家好，
我正在尝试在运行时设置Textbox控件的颜色，如

TextBox1.Foreground = Brush.White;

我收到错误消息:"System.Windows.Media.Brush"不包含"White"的定义

代码为:

Hi all,
I am trying to set the Textbox control''s color in runtime like;

TextBox1.Foreground = Brush.White;

I get an Error: ''System.Windows.Media.Brush'' Does not contain a difinition for ''White''

The Code is:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using Microsoft.Phone.Controls;
using System.Windows.Threading;

namespace Test1
{
    public partial class MainPage : PhoneApplicationPage
    {
	private DispatcherTimer _timer;


        public MainPage()
        {
            InitializeComponent();
        }

        public void RefreshUI(object sender, EventArgs e)
        {
            DateTime dt = DateTime.Now;
            if (dt.Day == 1)
            {
                TextBox1.Foreground = Brush.White;
            }
        }
    }
}

在此先谢谢您.

Thanks in advance.

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