vb.net - WPF Stretch Middle Content in DockPanel or Stackpanel -

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how stretch content in middle section of stackpanel or dockpanel. know dockpanel stretch last item need stretch middle item. know use grid * middle section want able set left and/or right items collapsed depending on window size.

you should still use dockpanel lastchildfill setted. dockpanel stretch last element put in it, not last 1 according view. can put element want stretch in last position , use dockpanel.dock="top/bottom/right/left" on others one.


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