property Dirty: Boolean;
Becomes true, after any property has changed.
Returns: Boolean
Remarks:
When any of the TMtxLP properties changes, this property is automatically set to true. If TMtxLP.AutoUpdate and Dirty are both true then the TMtxLP.Recalculate method will be called automatically.
See Also: TMtxLP.AutoUpdate, TMtxLP.Recalculate