Align items in a stack panel

Question

I was wondering if I can have 2 controls in a horizontal-oriented StackPanel so that the right item should be docked to the right side of the StackPanel   I tried the following but it didn t work    lt StackPanel Orientation  Horizontal  gt       lt TextBlock gt Left lt  TextBlock gt       lt Button Width  30  HorizontalAlignment  Right  gt Right lt Button gt   lt  StackPanel gt    In the snippet above I want the Button to be docked to the right side of the StackPanel   Note  I need it to be done with StackPanel  not Grid etc

User · Answer

For those who stumble upon this question, here's how to achieve this layout with a Grid:

<Grid>
    <TextBlock Text="Server:"/>
    <TextBlock Text="http://127.0.0.1" HorizontalAlignment="Right"/>
</Grid>

creates

Server:                                                                   http://127.0.0.1

User · Answer

for windows 10 use relativePanel instead of stack panel  and use      relativepanel alignrightwithpanel  true    for the contained elements

User · Answer

Could not get this working using a DockPanel quite the way I wanted and reversing the flow direction of a StackPanel is troublesome  Using a grid is not an option as items inside of it may be hidden at runtime and thus I do not know the total number of columns at design time  The best and simplest solution I could come up with is    lt Grid gt       lt Grid ColumnDefinitions gt           lt ColumnDefinition Width       gt           lt ColumnDefinition Width  Auto    gt       lt  Grid ColumnDefinitions gt       lt StackPanel Grid Column  1  Orientation  Horizontal  gt           lt  -- Right aligned controls go here -- gt       lt  StackPanel gt   lt  Grid gt    This will result in controls inside of the StackPanel being aligned to the right side of the available space regardless of the number of controls - both at design and runtime  Yay

User · Answer

Yo can set FlowDirection of Stack panel to RightToLeft  and then all items will be aligned to the right side

User · Answer

If you are having a problem like the one I had where labels were centered in my vertical stack panel  make sure you use full width controls   Delete the Width property  or put your button in a full-width container that allows internal alignment   WPF is all about using containers to control the layout    lt StackPanel Orientation  Vertical  gt       lt TextBlock gt Left lt  TextBlock gt       lt DockPanel gt           lt Button HorizontalAlignment  Right  gt Right lt  Button gt       lt  DockPanel gt   lt  StackPanel gt    Vertical StackPanel with Left Label followed by Right Button  I hope this helps

User · Answer

This works perfectly for me  Just put the button first since you re starting on the right  If FlowDirection becomes a problem just add a StackPanel around it and specify FlowDirection  LeftToRight  for that portion  Or simply specify FlowDirection  LeftToRight  for the relevant control    lt StackPanel Orientation  Horizontal  HorizontalAlignment  Right  FlowDirection  RightToLeft  gt       lt Button Width  40  HorizontalAlignment  Right  Margin  3  gt Right lt  Button gt       lt TextBlock Margin  5  gt Left lt  TextBlock gt       lt StackPanel FlowDirection  LeftToRight  gt           lt my DatePicker Height  24  Name  DatePicker1  Width  113  xmlns my  http   schemas microsoft com wpf 2008 toolkit    gt           lt  StackPanel gt       lt my DatePicker FlowDirection  LeftToRight  Height  24  Name  DatePicker1  Width  113  xmlns my  http   schemas microsoft com wpf 2008 toolkit    gt       lt  StackPanel gt

User · Answer

lt Grid gt       lt Grid ColumnDefinitions gt           lt ColumnDefinition Width      gt           lt ColumnDefinition Width      gt       lt  Grid ColumnDefinitions gt       lt TextBlock Text  Left     gt       lt Button Width  30  Grid Column  1   gt Right lt  Button gt   lt  Grid gt

User · Answer

You can achieve this with a DockPanel    lt DockPanel Width  300  gt       lt TextBlock gt Left lt  TextBlock gt       lt Button HorizontalAlignment  Right  gt Right lt  Button gt   lt  DockPanel gt    The difference is that a StackPanel will arrange child elements into single line  either vertical or horizontally  whereas a DockPanel defines an area where you can arrange child elements either horizontally or vertically  relative to each other  the Dock property changes the position of an element relative to other elements within the same container  Alignment properties  such as HorizontalAlignment  change the position of an element relative to its parent element    Update  As pointed out in the comments you can also use the FlowDirection property of a StackPanel  See  D Bester s answer

User · Answer

Maybe not what you want if you need to avoid hard-coding size values  but sometimes I use a  shim   Separator  for this    lt Separator Width  42  gt  lt  Separator gt

[wpf] Align items in a stack panel?

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