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Regenerate Method

Updates the elements in the Revit document to reflect all changes.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0)

Syntax

C# 
public void Regenerate()
Visual Basic 
Public Sub Regenerate
Visual C++ 
public:
void Regenerate()

Remarks

Use this method to force update to the document after a group of changes. Note that when a transaction is committed there is an automatic call to regenerate the document.

Examples

Copy C# 
FamilyInstance instance = doc.Create.NewFamilyInstance(new XYZ(15, 20, 0), familySymbol, StructuralType.NonStructural);
FamilyInstance instance2 = doc.Create.NewFamilyInstance(new XYZ(25, 30, 0), familySymbol, StructuralType.NonStructural);
// faster to create multiple instances without calling Regenerate after each one

LocationPoint point = instance.Location as LocationPoint;
// this data is incorrect because the new geometry has not yet been regenerated

doc.Regenerate();
point = instance.Location as LocationPoint;
// now it is correct
Copy VB.NET 
Dim instance As FamilyInstance = doc.Create.NewFamilyInstance(New XYZ(15, 20, 0), familySymbol, StructuralType.NonStructural)
Dim instance2 As FamilyInstance = doc.Create.NewFamilyInstance(New XYZ(25, 30, 0), familySymbol, StructuralType.NonStructural)
' faster to create multiple instances without calling Regenerate after each one


Dim point As LocationPoint = TryCast(instance.Location, LocationPoint)
' this data is incorrect because the new geometry has not yet been regenerated


doc.Regenerate()
point = TryCast(instance.Location, LocationPoint)
' now it is correct

Exceptions

Exception Condition
Autodesk.Revit.Exceptions RegenerationFailedException Thrown when the operation fails.
  • If regeneration fails, there is posted error of severity DocumentCorruption that will be delivered to the end user at the end of transaction explaining what specifically has happened.
  • If regeneration has failed, document is corrupted and even reading from it is illegal.
  • Code that called regeneration and got this exception should not catch and ignore it - instead, it should do nothing but internal cleanup and return control to the owner of currently active transaction/subtransaction, which must be aborted.
Autodesk.Revit.Exceptions InvalidOperationException Modification of the document is forbidden. Typically, this is because there is no open transaction; consult documentation for Document.IsModified for other possible causes.

See Also