The RevitAPIPreEventArgs type exposes the following members.
Methods
| Name | Description | |
|---|---|---|
 | Cancel | When the event is cancellable, may call the Cancel() method to cancel it. |
| | Dispose | (Inherited from RevitAPIEventArgs .) |
| | Equals | (Inherited from Object .) |
| | GetHashCode | Serves as a hash function for a particular type. (Inherited from Object .) |
| | GetType | Gets the Type of the current instance. (Inherited from Object .) |
| | IsCancelled | Indicates whether the event is being cancelled. (Inherited from RevitAPIEventArgs .) |
| | ToString | Returns a string that represents the current object. (Inherited from Object .) |
Properties
| Name | Description | |
|---|---|---|
 | Cancellable | Indicates whether an event may be cancelled by an event delegate. (Inherited from RevitAPIEventArgs .) |
| | IsValidObject | Specifies whether the .NET object represents a valid Revit entity. (Inherited from RevitAPIEventArgs .) |