ConstraintsBase (JavaFX 13)

java.lang.Object
- javafx.scene.layout.ConstraintsBase

Direct Known Subclasses:

ColumnConstraints, RowConstraints
```
public abstract class ConstraintsBase
extends Object
```
The base class for defining node-specific layout constraints. Region classes may create extensions of this class if they need to define their own set of layout constraints.

Since:

JavaFX 2.0

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  static double CONSTRAIN_TO_PREF
  If set as max value indicates that the pref value should be used as the max.
- Method Summary
  
  Modifier and Type Method Description
  
  protected void requestLayout()
  Calls requestLayout on layout parent associated with this constraint object.
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - CONSTRAIN_TO_PREF
```
public static final double CONSTRAIN_TO_PREF
```
    If set as max value indicates that the pref value should be used as the max. This allows an application to constrain a resizable node's size, which normally has an unlimited max value, to its preferred size.
    
    See Also:
    
    Constant Field Values
- Method Detail
  - requestLayout
```
protected void requestLayout()
```
    Calls requestLayout on layout parent associated with this constraint object.