propvarutil.h header
This header is used by multiple technologies. For more information, see:
propvarutil.h contains the following programming interfaces:
Functions
| ClearPropVariantArray Frees the memory and references used by an array of PROPVARIANT structures stored in an array. |
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| ClearVariantArray Frees the memory and references used by an array of VARIANT structures stored in an array. |
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| InitPropVariantFromBoolean Initializes a given PROPVARIANT structure as a VT_BOOL using a specified Boolean value. |
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| InitPropVariantFromBooleanVector Initializes a PROPVARIANT structure from a specified Boolean vector. |
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| InitPropVariantFromBuffer Initializes a PROPVARIANT structure using the contents of a buffer. |
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| InitPropVariantFromCLSID Initializes a PROPVARIANT structure based on a class identifier (CLSID). |
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| InitPropVariantFromDouble Initializes a PROPVARIANT structure based on a specified double value. |
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| InitPropVariantFromDoubleVector Initializes a PROPVARIANT structure based on a specified vector of double values. |
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| InitPropVariantFromFileTime Initializes a PROPVARIANT structure based on information stored in a FILETIME structure. |
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| InitPropVariantFromFileTimeVector Initializes a PROPVARIANT structure from a specified vector of FILETIME values. |
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| InitPropVariantFromGUIDAsBuffer Initializes a PROPVARIANT structure based on a GUID. The structure is initialized as VT_VECTOR |
VT_UI1. | ||
| InitPropVariantFromGUIDAsString Initializes a PROPVARIANT structure based on a GUID. The structure is initialized as VT_LPWSTR. |
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| InitPropVariantFromInt16 Initializes a PROPVARIANT structure based on a 16-bit integer value. |
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| InitPropVariantFromInt16Vector Initializes a PROPVARIANT structure based on a specified vector of 16-bit integer values. |
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| InitPropVariantFromInt32 Initializes a PROPVARIANT structure based on a 32-bit integer value. |
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| InitPropVariantFromInt32Vector Initializes a PROPVARIANT structure based on a vector of 32-bit integer values. |
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| InitPropVariantFromInt64 Initializes a PROPVARIANT structure based on a specified Int64 value. |
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| InitPropVariantFromInt64Vector Initializes a PROPVARIANT structure based on a vector of Int64 values. |
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| InitPropVariantFromPropVariantVectorElem Initializes a PROPVARIANT structure based on a specified PROPVARIANT vector element. |
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| InitPropVariantFromResource Initializes a PROPVARIANT structure based on a string resource embedded in an executable file. |
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| InitPropVariantFromString Initializes a PROPVARIANT structure based on a specified string. |
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| InitPropVariantFromStringAsVector Initializes a PROPVARIANT structure from a specified string. The string is parsed as a semi-colon delimited list (for example:_"A;B;C"). |
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| InitPropVariantFromStringVector Initializes a PROPVARIANT structure from a specified string vector. |
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| InitPropVariantFromStrRet Initializes a PROPVARIANT structure based on a string stored in a STRRET structure. |
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| InitPropVariantFromUInt16 Initializes a PROPVARIANT structure based on a 16-bit unsigned integer value. |
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| InitPropVariantFromUInt16Vector Initializes a PROPVARIANT structure based on a vector of 16-bit unsigned integer values. |
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| InitPropVariantFromUInt32 Initializes a PROPVARIANT structure based on a 32-bit unsigned integer value. |
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| InitPropVariantFromUInt32Vector Initializes a PROPVARIANT structure based on a vector of 32-bit unsigned integer values. |
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| InitPropVariantFromUInt64 Initializes a PROPVARIANT structure with a 64-bit unsigned integer value. |
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| InitPropVariantFromUInt64Vector Initializes a PROPVARIANT structure based on a vector of 64-bit unsigned integers. |
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| InitPropVariantVectorFromPropVariant Initializes a vector element in a PROPVARIANT structure with a value stored in another PROPVARIANT. |
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| InitVariantFromBoolean Initializes a VARIANT structure with a Boolean value. |
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| InitVariantFromBooleanArray Initializes a VARIANT structure from an array of Boolean values. |
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| InitVariantFromBuffer Initializes a VARIANT structure with the contents of a buffer. |
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| InitVariantFromDispatch Initializes a VARIANT structure based on an instance of an IDispatch object. |
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| InitVariantFromDosDateTime Initializes a VARIANT structure with a date and time given in the format used by Microsoft MS-DOS. The date and time values are converted to the format used to store date and time in a VARIANT. |
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| InitVariantFromDouble Initializes a VARIANT structure with a value of type DOUBLE. |
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| InitVariantFromDoubleArray Initializes a VARIANT structure with an array of values of type DOUBLE. |
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| InitVariantFromFileTime Initializes a VARIANT structure with the contents of a FILETIME structure. |
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| InitVariantFromFileTimeArray Initializes a VARIANT structure with an array of FILETIME structures. |
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| InitVariantFromGUIDAsBuffer Initializes a VARIANT structure based on a GUID. The structure is initialized as VT_ARRAY |
VT_UI1. | ||
| InitVariantFromGUIDAsString Initializes a VARIANT structure based on a GUID. The structure is initialized as a VT_BSTR type. |
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| InitVariantFromInt16 Initializes a VARIANT structure with a 16-bit integer value. |
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| InitVariantFromInt16Array Initializes a VARIANT structure with an array of 16-bit integer values. |
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| InitVariantFromInt32 Initializes a VARIANT structure with a 32-bit integer value. |
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| InitVariantFromInt32Array Initializes a VARIANT structure with an array of 32-bit integer values. |
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| InitVariantFromInt64 Initializes a VARIANT structure with a 64-bit integer value. |
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| InitVariantFromInt64Array Initializes a VARIANT structure with an array of 64-bit integer values. |
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| InitVariantFromResource Initializes a VARIANT structure based on a string resource embedded in an executable file. |
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| InitVariantFromString Initializes a VARIANT structure with a string. |
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| InitVariantFromStringArray Initializes a VARIANT structure with an array of strings. |
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| InitVariantFromStrRet Initializes a VARIANT structure with a string stored in a STRRET structure. |
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| InitVariantFromUInt16 Initializes a VARIANT structure with an unsigned 16-bit integer value. |
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| InitVariantFromUInt16Array Initializes a VARIANT structure with an array of unsigned 16-bit integer values. |
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| InitVariantFromUInt32 Initializes a VARIANT structure with an unsigned 32-bit integer value. |
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| InitVariantFromUInt32Array Initializes a VARIANT structure with an array of unsigned 32-bit integer values. |
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| InitVariantFromUInt64 Initializes a VARIANT structure with an unsigned 64-bit integer value. |
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| InitVariantFromUInt64Array Initializes a VARIANT structure with an array of unsigned 64-bit integer values. |
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| InitVariantFromVariantArrayElem Initializes a VARIANT structure with a value stored in another VARIANT structure. |
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| IsPropVariantString Specifies whether a specified PROPVARIANT structure is a string type. |
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| IsPropVariantVector Specifies whether a PROPVARIANT structure has a vector type. |
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| IsVariantArray Specifies whether a variant is an array. |
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| IsVariantString Specifies whether a variant is a string. |
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| IsVarTypeFloat Returns whether a VARTYPE is a float. |
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| IsVarTypeInteger Returns whether a VARTYPE is an integer. |
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| IsVarTypeNumber Specifies whether VARTYPE is a number. |
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| IsVarTypeSignedInteger Returns whether a VARTYPE is a signed integer. |
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| IsVarTypeUnsignedInteger Returns whether a VARTYPE is an unsigned integer. |
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| PropVariantChangeType Coerces a value stored as a PROPVARIANT structure to an equivalent value of a different variant type. |
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| PropVariantCompare Compares two PROPVARIANT structures, based on default comparison units and settings. |
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| PropVariantCompareEx Extends PropVariantCompare by allowing the caller to compare two PROPVARIANT structures based on specified comparison units and flags. |
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| PropVariantGetBooleanElem Extracts a single Boolean element from a PROPVARIANT structure of type VT_BOOL, VT_VECTOR |
VT_BOOL, or VT_ARRAY | VT_BOOL. | |
| PropVariantGetDoubleElem Extracts a single double element from a PROPVARIANT structure of type VT_R8, VT_VECTOR |
VT_R8, or VT_ARRAY | VT_R8. | |
| PropVariantGetElem Initializes a PROPVARIANT structure based on a specified element in another PROPVARIANT structure. |
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| PropVariantGetElementCount Retrieves the element count of a PROPVARIANT structure. |
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| PropVariantGetFileTimeElem Extracts a single FILETIME element from a PROPVARIANT structure of type VT_FILETIME, VT_VECTOR |
VT_FILETIME, or VT_ARRAY | VT_FILETIME. | |
| PropVariantGetInt16Elem Extracts a single Int16 element from a PROPVARIANT structure of type VT_I2, VT_VECTOR |
VT_I2, or VT_ARRAY | VT_I2. | |
| PropVariantGetInt32Elem Extracts a single Int32 element from a PROPVARIANT of type VT_I4, VT_VECTOR |
VT_I4, or VT_ARRAY | VT_I4. | |
| PropVariantGetInt64Elem Extracts a single Int64 element from a PROPVARIANT structure of type VT_I8, VT_VECTOR |
VT_I8, or VT_ARRAY | VT_I8. | |
| PropVariantGetStringElem Extracts a single Unicode string element from a PROPVARIANT structure of type VT_LPWSTR, VT_BSTR, VT_VECTOR |
VT_LPWSTR, VT_VECTOR | VT_BSTR, or VT_ARRAY | VT_BSTR. |
| PropVariantGetUInt16Elem Extracts a single unsigned Int16 element from a PROPVARIANT structure of type VT_U12, VT_VECTOR |
VT_U12, or VT_ARRAY | VT_U12. | |
| PropVariantGetUInt32Elem Extracts a single unsigned Int32 element from a PROPVARIANT structure of type VT_UI4, VT_VECTOR |
VT_UI4, or VT_ARRAY | VT_UI4. | |
| PropVariantGetUInt64Elem Extracts a single unsigned Int64 element from a PROPVARIANT structure of type VT_UI8, VT_VECTOR |
VT_UI8, or VT_ARRAY | VT_UI8. | |
| PropVariantToBoolean Extracts a Boolean property value of a PROPVARIANT structure. If no value can be extracted, then a default value is assigned. |
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| PropVariantToBooleanVector Extracts a Boolean vector from a PROPVARIANT structure. |
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| PropVariantToBooleanVectorAlloc Extracts data from a PROPVARIANT structure into a newly allocated Boolean vector. |
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| PropVariantToBooleanWithDefault Extracts the Boolean property value of a PROPVARIANT structure. If no value exists, then the specified default value is returned. |
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| PropVariantToBSTR Extracts the BSTR property value of a PROPVARIANT structure. |
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| PropVariantToBuffer Extracts the buffer value from a PROPVARIANT structure of type VT_VECTOR |
VT_UI1 or VT_ARRRAY | VT_UI1. | |
| PropVariantToCLSID Extracts class identifier (CLSID) property value of a PROPVARIANT structure. |
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| PropVariantToDouble Extracts double value from a PROPVARIANT structure. |
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| PropVariantToDoubleVector Extracts a vector of doubles from a PROPVARIANT structure. |
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| PropVariantToDoubleVectorAlloc Extracts data from a PROPVARIANT structure into a newly-allocated double vector. |
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| PropVariantToDoubleWithDefault Extracts a double property value of a PROPVARIANT structure. If no value exists, then the specified default value is returned. |
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| PropVariantToFileTime Extracts the FILETIME structure from a PROPVARIANT structure. |
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| PropVariantToFileTimeVector Extracts data from a PROPVARIANT structure into a FILETIME vector. |
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| PropVariantToFileTimeVectorAlloc Extracts data from a PROPVARIANT structure into a newly-allocated FILETIME vector. |
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| PropVariantToGUID Extracts a GUID value from a PROPVARIANT structure. |
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| PropVariantToInt16 Extracts an Int16 property value of a PROPVARIANT structure. |
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| PropVariantToInt16Vector Extracts a vector of Int16 values from a PROPVARIANT structure. |
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| PropVariantToInt16VectorAlloc Extracts data from a PROPVARIANT structure into a newly allocated Int16 vector. |
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| PropVariantToInt16WithDefault Extracts the Int16 property value of a PROPVARIANT structure. If no value currently exists, then specified default value is returned. |
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| PropVariantToInt32 Extracts the Int32 property value of a PROPVARIANT structure. If no value can be extracted, then a default value is assigned. |
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| PropVariantToInt32Vector Extracts a vector of long values from a PROPVARIANT structure. |
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| PropVariantToInt32VectorAlloc Extracts data from a PROPVARIANT structure into a newly-allocated Int32 vector. |
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| PropVariantToInt32WithDefault Extracts an Int32 value from a PROPVARIANT structure. If no value currently exists, then the specified default value is returned. |
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| PropVariantToInt64 Extracts a LONGLONG value from a PROPVARIANT structure. If no value can be extracted, then a default value is assigned. |
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| PropVariantToInt64Vector Extracts data from a PROPVARIANT structure into an Int64 vector. |
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| PropVariantToInt64VectorAlloc Extracts data from a PROPVARIANT structure into a newly-allocated LONGLONG vector. |
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| PropVariantToInt64WithDefault Extracts the Int64 property value of a PROPVARIANT structure. If no value exists, then specified default value is returned. |
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| PropVariantToString Extracts a string value from a PROPVARIANT structure. |
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| PropVariantToStringAlloc Extracts a string property value from a PROPVARIANT structure. |
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| PropVariantToStringVector Extracts a vector of strings from a PROPVARIANT structure. |
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| PropVariantToStringVectorAlloc Extracts data from a PROPVARIANT structure into a newly allocated strings in a newly allocated vector. |
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| PropVariantToStringWithDefault Extracts the string property value of a PROPVARIANT structure. If no value exists, then the specified default value is returned. |
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| PropVariantToStrRet Extracts a string from a PROPVARIANT structure and places it into a STRRET structure. |
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| PropVariantToUInt16 Extracts a unsigned short value from a PROPVARIANT structure. If no value can be extracted, then a default value is assigned. |
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| PropVariantToUInt16Vector Extracts data from a PROPVARIANT structure into an unsigned short vector. |
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| PropVariantToUInt16VectorAlloc Extracts data from a PROPVARIANT structure into a newly-allocated unsigned short vector. |
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| PropVariantToUInt16WithDefault Extracts an unsigned short value from a PROPVARIANT structure. If no value exists, then the specified default value is returned. |
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| PropVariantToUInt32 Extracts an ULONG value from a PROPVARIANT structure. If no value can be extracted, then a default value is assigned. |
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| PropVariantToUInt32Vector Extracts data from a PROPVARIANT structure into an ULONG vector. |
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| PropVariantToUInt32VectorAlloc Extracts data from a PROPVARIANT structure into a newly-allocated ULONG vector. |
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| PropVariantToUInt32WithDefault Extracts a ULONG value from a PROPVARIANT structure. If no value exists, then a specified default value is returned. |
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| PropVariantToUInt64 Extracts a UInt64 value from a PROPVARIANT structure. If no value can be extracted, then a default value is assigned. |
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| PropVariantToUInt64Vector Extracts data from a PROPVARIANT structure into a ULONGLONG vector. |
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| PropVariantToUInt64VectorAlloc Extracts data from a PROPVARIANT structure into a newly-allocated ULONGLONG vector. |
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| PropVariantToUInt64WithDefault Extracts ULONGLONG value from a PROPVARIANT structure. If no value exists, then the specified default value is returned. |
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| PropVariantToVariant Converts the contents of a PROPVARIANT structure to a VARIANT structure. |
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| StgDeserializePropVariant The StgDeserializePropVariant function converts a SERIALIZEDPROPERTYVALUE data type to a PROPVARIANT data type. |
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| StgSerializePropVariant The StgSerializePropVariant function converts a PROPVARIANT data type to a SERIALIZEDPROPERTYVALUE data type. |
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| VariantCompare Compares two variant structures, based on default comparison rules. |
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| VariantGetBooleanElem Extracts a single Boolean element from a variant structure. |
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| VariantGetDoubleElem Extracts one double element from a variant structure. |
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| VariantGetElem Initializes a VARIANT structure from a specified variant element. |
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| VariantGetElementCount Retrieves the element count of a variant structure. |
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| VariantGetInt16Elem Extracts a single Int16 element from a variant structure. |
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| VariantGetInt32Elem Extracts a single Int32 element from a variant structure. |
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| VariantGetInt64Elem Extracts a single Int64 element from a variant structure. |
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| VariantGetStringElem Extracts a single wide string element from a variant structure. |
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| VariantGetUInt16Elem Extracts a single unsigned Int16 element from a variant structure. |
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| VariantGetUInt32Elem Extracts a single unsigned Int32 element from a variant structure. |
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| VariantGetUInt64Elem Extracts a single unsigned Int64 element from a variant structure. |
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| VariantToBoolean Extracts the value of a Boolean property from a VARIANT structure. If no value can be extracted, then a default value is assigned. |
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| VariantToBooleanArray Extracts an array of Boolean values from a VARIANT structure. |
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| VariantToBooleanArrayAlloc Allocates an array of BOOL values then extracts data from a VARIANT structure into that array. |
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| VariantToBooleanWithDefault Extracts a BOOL value from a VARIANT structure. If no value exists, then the specified default value is returned. |
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| VariantToBuffer Extracts the contents of a buffer stored in a VARIANT structure of type VT_ARRRAY |
VT_UI1. | ||
| VariantToDosDateTime Extracts a date and time value in Microsoft MS-DOS format from a VARIANT structure. |
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| VariantToDouble Extracts a DOUBLE value from a VARIANT structure. If no value can be extracted, then a default value is assigned. |
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| VariantToDoubleArray Extracts an array of DOUBLE values from a VARIANT structure. |
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| VariantToDoubleArrayAlloc Allocates an array of DOUBLE values then extracts data from a VARIANT structure into that array. |
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| VariantToDoubleWithDefault Extracts a DOUBLE value from a VARIANT structure. If no value exists, then the specified default value is returned. |
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| VariantToFileTime Extracts a FILETIME structure from a variant structure. |
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| VariantToGUID Extracts a GUID property value of a variant structure. |
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| VariantToInt16 Extracts the Int16 property value of a variant structure. If no value can be extracted, then a default value is assigned by this function. |
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| VariantToInt16Array Extracts data from a vector structure into an Int16 array. |
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| VariantToInt16ArrayAlloc Extracts data from a vector structure into a newly-allocated Int16 array. |
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| VariantToInt16WithDefault Extracts an Int16 property value of a variant structure. If no value exists, then the specified default value is returned. |
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| VariantToInt32 Extracts an Int32 property value of a variant structure. If no value can be extracted, then a default value is assigned. |
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| VariantToInt32Array Extracts data from a vector structure into an Int32 array. |
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| VariantToInt32ArrayAlloc Extracts data from a vector structure into a newly-allocated Int32 array. |
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| VariantToInt32WithDefault Extracts an Int32 property value of a variant structure. If no value exists, then the specified default value is returned. |
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| VariantToInt64 Extracts an Int64 property value of a variant structure. If no value can be extracted, then a default value is assigned. |
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| VariantToInt64Array Extracts data from a vector structure into an Int64 array. |
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| VariantToInt64ArrayAlloc Extracts data from a vector structure into a newly-allocated Int64 array. |
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| VariantToInt64WithDefault Extracts an Int64 property value of a variant structure. If no value exists, then the specified default value is returned. |
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| VariantToPropVariant Copies the contents of a VARIANT structure to a PROPVARIANT structure. |
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| VariantToString Extracts the variant value of a variant structure to a string. If no value can be extracted, then a default value is assigned. |
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| VariantToStringAlloc Extracts the variant value of a variant structure to a newly-allocated string. If no value can be extracted, then a default value is assigned. |
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| VariantToStringArray Extracts data from a vector structure into a String array. |
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| VariantToStringArrayAlloc Extracts data from a vector structure into a newly-allocated String array. |
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| VariantToStringWithDefault Extracts the string property value of a variant structure. If no value exists, then the specified default value is returned. |
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| VariantToStrRet If the source variant is a VT_BSTR, extracts string and places it into a STRRET structure. |
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| VariantToUInt16 Extracts an unsigned Int16 property value of a variant structure. If no value can be extracted, then a default value is assigned by this function. |
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| VariantToUInt16Array Extracts data from a vector structure into an unsigned Int16 array. |
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| VariantToUInt16ArrayAlloc Extracts data from a vector structure into a newly-allocated unsigned Int16 array. |
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| VariantToUInt16WithDefault Extracts an unsigned Int16 property value of a variant structure. If no value exists, then the specified default value is returned. |
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| VariantToUInt32 Extracts unsigned Int32 property value of a variant structure. If no value can be extracted, then a default value is assigned. |
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| VariantToUInt32Array Extracts data from a vector structure into an unsigned Int32 array. |
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| VariantToUInt32ArrayAlloc Extracts data from a vector structure into a newly-allocated unsigned Int32 array. |
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| VariantToUInt32WithDefault Extracts an unsigned Int32 property value of a variant structure. If no value currently exists, then the specified default value is returned. |
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| VariantToUInt64 Extracts unsigned Int64 property value of a variant structure. If no value can be extracted, then a default value is assigned. |
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| VariantToUInt64Array Extracts data from a vector structure into an unsigned Int64 array. |
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| VariantToUInt64ArrayAlloc Extracts data from a vector structure into a newly-allocated unsigned Int64 array. |
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| VariantToUInt64WithDefault Extracts an unsigned Int64 property value of a variant structure. If no value currently exists, then the specified default value is returned. |
Enumerations
| PROPVAR_COMPARE_UNIT These flags are associated with certain PROPVARIANT structure comparisons. |