C# : WPF Mouse Over -

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i need create wpf application , contains 2 windows.. window1 contains button. need show second window when cursor on button in first window [ tooltip ] . if mouse leaves, second window should close..

i'm new wpf. can 1 me sample code

if possible without second window done in tooltip, has behaviour. (e.g. http://www.c-sharpcorner.com/uploadfile/mahesh/fancywpftooltip07132008214937pm/fancywpftooltip.aspx)


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