// printerextension.h

typedef enum tagPrintSchemaParameterDataType {
  PrintSchemaParameterDataType_Integer,
  PrintSchemaParameterDataType_NumericString,
  PrintSchemaParameterDataType_String
} PrintSchemaParameterDataType;
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Windows Driver Kit DDI reference (ne-printerextension-tagprintschemaparameterdatatype)

Description

The PrintSchemaParameterDataType enumeration identifies the allowed data types for the Print Schema parameter.

Constants

`PrintSchemaParameterDataType_Integer`

Integer data type. This maps to the Print Schema's IntegerParamType parameters.

`PrintSchemaParameterDataType_NumericString`

String data type with only numeric chars allowed. This maps to the Print Schema's StringParamType parameters, with UnitType = "numeric".

`PrintSchemaParameterDataType_String`

String data type with arbitrary chars allowed. This maps to the Print Schema's StringParamType parameters, with UnitType not equal to "numeric".

PrintSchemaParameterDataType - NtDoc