<label title="Select a line on which to calculate length" tooltip="Select a line on which to calculate length"/>
<shape_selector id="ConstraintEntityA" label="Line" tooltip="Select a line" shape_types="edge" >
<validator id="GeomValidators_ShapeType" parameters="line"/>
+ <validator id="SketchPlugin_SketchFeatureValidator"/>
</shape_selector>
<sketch-2dpoint_flyout_selector id="ConstraintFlyoutValuePnt" default="computed" internal="1" obligatory="0"/>
<doublevalue_editor label="Value" tooltip="Length" id="ConstraintValue" default="computed">