Gets an enum returning the geometry type of the features in the group:
§ LGT_NONE = -1
§ LGT_POINT = 0
§ LGT_POLYLINE = 1
§ LGT_POLYGON = 2
§ LGT_COLLECTION = 3
| JavaScript | 
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| GeometryType | |
| C# | 
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| LayerGeometryType GeometryType { get; } | |
| C++ | 
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| HRESULT GeometryType([out, retval] LayerGeometryType* LayerType) | |