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Grid.RowDefinitions Property

Gets a RowDefinitionCollection defined on this instance of Grid.

Namespace:  System.Windows.Controls
Assembly:  System.Windows (in System.Windows.dll)

public RowDefinitionCollection RowDefinitions { get; }
<Grid>
  <Grid.RowDefinitions>
    oneOrMoreRowDefinitions
  </Grid.RowDefinitions>
</Grid>

XAML Values

oneOrMoreRowDefinitions

One or more RowDefinition elements. Each such RowDefinition becomes a placeholder representing a row in the final grid layout.

Property Value

Type: System.Windows.Controls.RowDefinitionCollection
A RowDefinitionCollection defined on this instance of Grid.

The RowDefinitionCollection contains the RowDefinition objects that define each row of the grid available for positioning elements.

If a child element is added to a row within a Grid and the row has its Height property set to Auto, the child will be measured without restrictions. This behavior can prevent vertical scroll bars from displaying if a ScrollViewer is being used, as the child element is measured as unbounded. For purposes of display, the child is clipped instead of scrolled.

When setting this property in XAML, do not include an explicit RowDefinitionCollection object element. Instead, use implicit collection syntax. For more information, see the Remarks section in RowDefinitionCollection.

NoteNote:

By default, a grid contains one row and one column.

The following example creates a Grid with three rows. The Height of the first row is set to the value Auto, which distributes height evenly based on the size of the content that is within that row. The height of the second row and third row are set to 2* and * respectively. The second row gets 2/3 of the remaining space and the third row gets 1/3.


<Grid.RowDefinitions>
    <RowDefinition Height="Auto" />
    <RowDefinition Height="2*" />
    <RowDefinition Height="*"/>
</Grid.RowDefinitions>


Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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