Difference between Visibility Collapsed and Visibility Hidden

Question

What are differences between Visibility Collapsed and Visibility Hidden in WPF

User · Accepted Answer

The difference is that Visibility Hidden hides the control  but reserves the space it occupies in the layout  So it renders whitespace instead of the control  Visibilty Collapsed does not render the control and does not reserve the whitespace  The space the control would take is  collapsed   hence the name   The exact text from the MSDN      Collapsed  Do not display the element  and do not reserve space for it in layout       Hidden  Do not display the element  but reserve space for the element in layout       Visible  Display the element    See  http   msdn microsoft com en-us library system windows visibility aspx

User · Answer

Visibility   Hidden Vs Collapsed  Consider following code which only shows three Labels and has second Label visibility as Collapsed     lt StackPanel Orientation  Horizontal  VerticalAlignment  Top  HorizontalAlignment  Center  gt       lt StackPanel Resources gt           lt Style TargetType  Label  gt               lt Setter Property  Height  Value  30    gt               lt Setter Property  Margin  Value  0   gt               lt Setter Property  BorderBrush  Value  Black   gt               lt Setter Property  BorderThickness  Value  1    gt           lt  Style gt       lt  StackPanel Resources gt       lt Label Width  50  Content  First   gt       lt Label Width  50  Content  Second  Visibility  Collapsed   gt       lt Label Width  50  Content  Third   gt   lt  StackPanel gt    Output Collapsed     Now change the second Label visibility to Hiddden    lt Label Width  50  Content  Second  Visibility  Hidden   gt    Output Hidden     As simple as that

User · Answer

Even though a bit old thread  for those who still looking for the differences   Aside from layout  space  taken in Hidden and not taken in Collapsed  there is another difference   If we have custom controls inside this  Collapsed  main control  the next time we set it to Visible  it will  load  all custom controls  It will not pre-load when window is started   As for  Hidden   it will load all custom controls   main control which we set as hidden when the  window  is started

[wpf] Difference between Visibility.Collapsed and Visibility.Hidden

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