啥也不多说 附上源码
public class MyTextBlock:TextBlock
{
public static readonly DependencyProperty NewForeColorProperty = DependencyPropertyManager.Register("NewForeColor",
typeof(Brush), typeof(MyTextBlock), new PropertyMetadata(null));
public Brush NewForeColor
{
get { return (Brush)GetValue(NewForeColorProperty); }
set { SetValue(NewForeColorProperty, value); }
}
public static readonly DependencyProperty NewTextProperty = DependencyPropertyManager.Register("NewText",
typeof(string), typeof(MyTextBlock), new PropertyMetadata(""));
public string NewText
{
get { return (string)GetValue(NewTextProperty); }
set { SetValue(NewTextProperty, value); }
}
public override void EndInit()
{
for(int i = 0; i < this.NewText.Length; i++)
{
Run run = new Run(this.NewText.Substring(i,1));
run.Foreground = this.NewForeColor;
this.Inlines.Add(run);
}
}
}