IndexKeys Methods | 
The IndexKeys type exposes the following members.
| Name | Description | |
|---|---|---|
| Ascending | 
            Sets one or more key names to index in ascending order.
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| Descending | 
            Sets one or more key names to index in descending order.
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| GeoSpatial | 
            Sets the key name to create a geospatial index on.
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| GeoSpatialHaystack(String) |  Obsolete.  
            Sets the key name to create a geospatial haystack index on.
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| GeoSpatialHaystack(String, String) |  Obsolete.  
            Sets the key name and additional field name to create a geospatial haystack index on.
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| GeoSpatialSpherical | 
            Sets the key name to create a spherical geospatial index on.
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| Hashed | 
            Sets the key name to create a hashed index on.
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| Text | 
            Sets one or more key names to include in the text index.
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| TextAll | 
            Create a text index that indexes all text fields of a document.
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| Wildcard | 
            Sets a wildcard key to the index. The method doesn't expect to specify a wildcard key explicitly.
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