Equivalent for GeometryModel3D element
            when converting a part of visual tree to/from its progressive form.
            
The ReducibleModel..::..PreprocessStatusEventArgs type exposes the following members.
Constructors
| Name | Description | |
|---|---|---|
| ReducibleModel..::..PreprocessStatusEventArgs | Initializes a new instance of the ReducibleModel..::..PreprocessStatusEventArgs class  | 
Methods
| Name | Description | |
|---|---|---|
| Equals | Determines whether the specified Object is equal to the current Object.  (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.) | |
| ToString | Returns a string that represents the current object.  (Inherited from Object.) | 
Properties
| Name | Description | |
|---|---|---|
| Cancel | 
            Flag for canceling the preprocessing.
              | |
| CurrentStatus | 
            Description of the current preprocessing status.
              | |
| PercentageDone | 
            Percentage of the progressive model's preprocessing
            that has been already done.
              |