I got resolve it with this tip WPF TabControl: Turning Off Tab Virtualization
at http://www.codeproject.com/Articles/460989/WPF-TabControl-Turning-Off-Tab-Virtualization this a class of TabContent with property IsCached.
I got resolve it with this tip WPF TabControl: Turning Off Tab Virtualization
at http://www.codeproject.com/Articles/460989/WPF-TabControl-Turning-Off-Tab-Virtualization this a class of TabContent with property IsCached.