The available size.
MeasureOverride Method (AxisCanvas)
When overridden in a derived class, measures the size in layout required for child elements and determines a size for the System.Windows.FrameworkElement-derived class.
Syntax
protected override Size MeasureOverride( 
   Size constraint
)

Parameters

constraint
The available size.

Return Value

The size that this element determines it needs during layout, based on its calculations of child element sizes.
Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also