The following tables list the members exposed by Union.
Public Constructors
Public Properties
| Name | Description |
![public Property](/en/help/arcobjects-net/componenthelp/004w/dotnetimages/publicProperty.gif) | Alias | The alias for this tool's toolbox. |
![public Property](/en/help/arcobjects-net/componenthelp/004w/dotnetimages/publicProperty.gif) | cluster_tolerance | The minimum distance separating all feature coordinates (nodes and vertices) as well as the distance a coordinate can move in X or Y (or both). You can set the value to be higher for data that has less coordinate accuracy and lower for datasets with extremely high accuracy. (In, Optional) |
![public Property](/en/help/arcobjects-net/componenthelp/004w/dotnetimages/publicProperty.gif) | gaps | Gaps are areas in the output feature class that are completely enclosed by other polygons. This is not invalid, but it may be desirable to identify these for analysis. To find the gaps in the output, set this option to NO_GAPS, and a feature will be created in these areas. To select these features, query the output feature class based on all the input feature's FID values being equal to -1. (In, Optional) |
![public Property](/en/help/arcobjects-net/componenthelp/004w/dotnetimages/publicProperty.gif) | in_features | A list of the input feature classes or layers. When the distance between features is less than the cluster tolerance, the features with the lower rank will snap to the feature with the higher rank. The highest rank is one. All the Input Features must be polygons. With ArcView and Editor licenses, the number of input feature classes or layers is limited to two. (In, Required) |
![public Property](/en/help/arcobjects-net/componenthelp/004w/dotnetimages/publicProperty.gif) | join_attributes | Determines which attributes from the Input Features will be transferred to the Output Feature Class. ALL—All the attributes from the Input Features will be transferred to the Output Feature Class. This is the default. NO_FID—All the attributes except the FID from the Input Features will be transferred to the Output Feature Class. ONLY_FID—Only the FID field from the Input Features will be transferred to the Output Feature Class. {NO_FID | ONLY_FID | ALL} (In, Optional) |
![public Property](/en/help/arcobjects-net/componenthelp/004w/dotnetimages/publicProperty.gif) | out_feature_class | The feature class that will contain the results. (Out, Required) |
![public Property](/en/help/arcobjects-net/componenthelp/004w/dotnetimages/publicProperty.gif) | ParameterInfo | The parameters used by this tool. For internal use only. |
![public Property](/en/help/arcobjects-net/componenthelp/004w/dotnetimages/publicProperty.gif) | ToolboxDirectory | The directory of this tool's toolbox. |
![public Property](/en/help/arcobjects-net/componenthelp/004w/dotnetimages/publicProperty.gif) | ToolboxName | The name of this tool's toolbox. |
![public Property](/en/help/arcobjects-net/componenthelp/004w/dotnetimages/publicProperty.gif) | ToolName | The name of this tool. |
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See Also