private static System.ComponentModel.DependencyPropertyDescriptor descriptor =
System.ComponentModel.DependencyPropertyDescriptor.FromProperty(TextBlock.TextProperty, typeof(TextBlock));
descriptor.AddValueChanged(tb, TbTextChanged);
private static void TbTextChanged(object sender,EventArgs e)
{
//do something
}
标签：DependencyPropertyDescriptor,Text,System,private,TextBlock,static,WPF From： https://www.cnblogs.com/ppcc/p/17449177.html