Places a tag on an element or subelement.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.1.0.0 (26.1.0.34)
Syntax
C#
public static IndependentTag Create( Document document, ElementId ownerDBViewId, Reference referenceToTag, bool addLeader, TagMode tagMode, TagOrientation tagOrientation, XYZ pnt )
Parameters
- document Document
- The document to which the tag will be added.
- ownerDBViewId ElementId
- The view in which the tag will be visible.
- referenceToTag Reference
- The host reference of the tag. The reference can be to an element or subelement in a local or linked document.
- addLeader Boolean
- When true, the tag will be created with a straight leader with an attached end.
- tagMode TagMode
- This argument determines the type of tag that will be created. Tag by category, multi-category tag, and material tag are allowed.
- tagOrientation TagOrientation
- The orientation of the tag's head.
- pnt XYZ
- For tags without leaders, this point is the position of the tag head. For tags with leaders, this point is the end point of the leader, and a leader of default length will be created from this point to the tag head.
Return Value
IndependentTagIf successful the new tag is returned.
Exceptions
Exception | Condition |
---|---|
ArgumentException | The ElementId ownerDBViewId does not correspond to a View. -or- The ElementId ownerDBViewId is a view template. -or- The ElementId ownerDBViewId is a perspective view. -or- The 3D view ownerDBViewId is not locked. -or- The reference can not be tagged. |
ArgumentNullException | A non-optional argument was null |
ArgumentOutOfRangeException | A value passed for an enumeration argument is not a member of that enumeration |
InternalException | Tag creation failed. |
InvalidOperationException | There is no loaded tag type that can be used when tagging referenceToTag with tagMode. |
ModificationForbiddenException | The document is in failure mode: an operation has failed, and Revit requires the user to either cancel the operation or fix the problem (usually by deleting certain elements). -or- The document is being loaded, or is in the midst of another sensitive process. |
ModificationOutsideTransactionException | The document has no open transaction. |
Remarks
Single category tags, multi-category tags and material tags can be placed.Example
C#
private IndependentTag CreateIndependentTag(Autodesk.Revit.DB.Document document, Wall wall) { // make sure active view is not a 3D view Autodesk.Revit.DB.View view = document.ActiveView; // define tag mode and tag orientation for new tag TagMode tagMode = TagMode.TM_ADDBY_CATEGORY; TagOrientation tagorn = TagOrientation.Horizontal; // Add the tag to the middle of the wall LocationCurve wallLoc = wall.Location as LocationCurve; XYZ wallStart = wallLoc.Curve.GetEndPoint(0); XYZ wallEnd = wallLoc.Curve.GetEndPoint(1); XYZ wallMid = wallLoc.Curve.Evaluate(0.5, true); Reference wallRef = new Reference(wall); IndependentTag newTag = IndependentTag.Create(document, view.Id, wallRef, true, tagMode, tagorn, wallMid); if (null == newTag) { throw new Exception("Create IndependentTag Failed."); } // newTag.TagText is read-only, so we change the Type Mark type parameter to // set the tag text. The label parameter for the tag family determines // what type parameter is used for the tag text. WallType type = wall.WallType; Parameter foundParameter = type.LookupParameter("Type Mark"); bool result = foundParameter.Set("Hello"); // set leader mode free // otherwise leader end point move with elbow point newTag.LeaderEndCondition = LeaderEndCondition.Free; XYZ elbowPnt = wallMid + new XYZ(5.0, 5.0, 0.0); newTag.SetLeaderElbow(wallRef, elbowPnt); XYZ headerPnt = wallMid + new XYZ(10.0, 10.0, 0.0); newTag.TagHeadPosition = headerPnt; // change tag orientation to AnyModelDirection newTag.TagOrientation = TagOrientation.AnyModelDirection; // change tag rotation angle to PI/4 newTag.RotationAngle = Math.PI / 4; return newTag; }
VB
Private Function CreateIndependentTag(document As Autodesk.Revit.DB.Document, wall As Wall) As IndependentTag ' make sure active view is not a 3D view Dim view As Autodesk.Revit.DB.View = document.ActiveView ' define tag mode and tag orientation for new tag Dim tagMode__1 As TagMode = TagMode.TM_ADDBY_CATEGORY Dim tagorn As TagOrientation = TagOrientation.Horizontal ' Add the tag to the middle of the wall Dim wallLoc As LocationCurve = TryCast(wall.Location, LocationCurve) Dim wallStart As XYZ = wallLoc.Curve.GetEndPoint(0) Dim wallEnd As XYZ = wallLoc.Curve.GetEndPoint(1) Dim wallMid As XYZ = wallLoc.Curve.Evaluate(0.5, True) Dim WallRef As Reference = New Reference(wall) Dim newTag As IndependentTag = IndependentTag.Create(document, view.Id, wallRef, True, tagMode__1, tagorn, wallMid) If newTag Is Nothing Then Throw New Exception("Create IndependentTag Failed.") End If ' newTag.TagText is read-only, so we change the Type Mark type parameter to ' set the tag text. The label parameter for the tag family determines ' what type parameter is used for the tag text. Dim type As WallType = wall.WallType Dim foundParameter As Parameter = type.LookupParameter("Type Mark") Dim result As Boolean = foundParameter.[Set]("Hello") ' set leader mode free ' otherwise leader end point move with elbow point newTag.LeaderEndCondition = LeaderEndCondition.Free Dim elbowPnt As XYZ = wallMid + New XYZ(5.0, 5.0, 0.0) newTag.SetLeaderElbow(WallRef, elbowPnt) Dim headerPnt As XYZ = wallMid + New XYZ(10.0, 10.0, 0.0) newTag.TagHeadPosition = headerPnt ' change tag orientation to AnyModelDirection newTag.TagOrientation = TagOrientation.AnyModelDirection ' change tag rotation angle to PI/4 newTag.RotationAngle = Math.PI / 4 Return newTag End Function