enum OdDgElementSchemaType { kTableData = 0x00, kCellData = 0x01, kColumnData = 0x02, kEdgeRun = 0x03, kFill = 0x04, kMergeData = 0x05, kRowData = 0x06, kSymbology = 0x07, kPrototypeDescription = 0x08, kSchemaPrototype = 0x09, kHeaderPrototype = 0x0A, kSnippedText = 0x0B, kPCMCell = 0x0C, kPCMCellDef = 0x0D, kPrototypeBasedSchema = kPCMCellDef+1, kProxySchema = kPrototypeBasedSchema+1 };