WPF fade in code & nbsp; & nbsp; & nbsp; public partial class fadein: window & nbsp; & nbsp; {& nbsp; & nbsp; & nbsp; & nbsp; & nbsp; public fadein () & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; {& nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp// System.Windows.Media . Animation.DoubleAnimation myDoubleAnimation = new System.Windows.Media . Animation.DoubleAnimation (); // FadeIn // myDoubleAnimation.From = 0.0; // myDoubleAnimation.To = 1.0; // myDoubleAnimation.Duration = new Duration( TimeSpan.FromSeconds (5)); } }<Window x:Class=" FadeInTest.FadeIn" ; xmlns=" http://schemas.microsoft.com/winfx/2006/xaml/presentation"&nbs