WPF data binding (itemtemplate and datatemplate)

< ListBox Name = "Lb_fileinfo"   Grid. Row = "1" Grid. columnspan = "3"   Itemssource = "{ Binding }" Selectionmode = "Single" Scrollviewer. horizontalscrollbarvisibility = "Disabled">

< ListBox. itemspanel >
< Itemspaneltemplate >
< Wrappanel Isitemshost = "True"/>
</ Itemspaneltemplate >
</ ListBox. itemspanel >
< ListBox. itemtemplate >
< Datatemplate >
< Border Margin = "3" Borderthickness = "1" Borderbrush = "Steelblue" Cornerradius = "2">
< Stackpanel Margin = "3">
<! -- <Stackpanel. tooltip>
<Image margin = "3" horizontalalignment = "center" Source = "{binding Path = bigthumbnail}" stretch = "NONE"> </image>

</Stackpanel. tooltip> -->
< Image Margin = "3" Horizontalalignment = "Center" Source = "{ Binding Path = Thumbnail }" Stretch = "NONE"> </ Image >

< Textblock Fontweight = "Bold" Horizontalalignment = "Center" Margin = "3" Text = "{ Binding Path = Name} "> </ Textblock >

< Progressbar Height = "10" Name = "Progressbar1" Width = "200"/>
< Textblock Fontstyle = "Italic" Horizontalalignment = "Center" Fontsize = "10" Margin = "3" Text = "{ Binding Path = Revittype} "> </ Textblock >

</ Stackpanel >
</ Border >
</ Datatemplate >
</ ListBox. itemtemplate >
</ ListBox >