TextBoxHelper.cs
776 Bytes
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
namespace HHWelding.Style
{
public class TextBoxHelper : DependencyObject
{
public static string GetWaterMark(DependencyObject obj)
{
return (string)obj.GetValue(WaterMarkProperty);
}
public static void SetWaterMark(DependencyObject obj, string value)
{
obj.SetValue(WaterMarkProperty, value);
}
public static readonly DependencyProperty WaterMarkProperty =
DependencyProperty.RegisterAttached("WaterMark", typeof(string), typeof(TextBoxHelper), new PropertyMetadata("请输入值"));
}
}