VarUtils

Delphi Information

Class

ESafeArrayBoundsError	ESafeArrayBoundsError is the exception class for errors that occur because a variant array index is out of bounds.
ESafeArrayCreateError	ESafeArrayCreateError is the exception class for failing to create a variant array.
ESafeArrayError	ESafeArrayError is the exception class for errors involving variant arrays.
ESafeArrayLockedError	ESafeArrayLockedError is the exception class for errors that occur because a variant array is locked or fixed.

Const

Constants

Function

SafeArrayAccessData	Returns a pointer to the actual safe array data and locks the safe array.
SafeArrayAllocData	Allocates the actual data of the given safe array.
SafeArrayAllocDescriptor	Allocates a descriptor for the safe array.
SafeArrayCheck	Checks whether the given parameter is a safe array operation error code.
SafeArrayCopy	Copies a safe array to another.
SafeArrayCopyData	Copies the data from a safe array to another.
SafeArrayCreate	Creates a safe array.
SafeArrayDestroy	Destroys a safe array.
SafeArrayDestroyData	Destroys the actual data of the given safe array.
SafeArrayDestroyDescriptor	Destroys the descriptor of the given safe array.
SafeArrayError	Raises an event corresponding to the given safe array operation error code.
SafeArrayGetDim	Returns the number of dimension of the given safe array.
SafeArrayGetElemSize	Returns the size in bytes of an element in the given safe array.
SafeArrayGetElement	Returns the element at the specified position in the given safe array.
SafeArrayGetLBound	Returns the lower bound for the given dimension of a safe array.
SafeArrayGetUBound	Returns the upper bound for the given dimension of a safe array.
SafeArrayLock	Locks a safe array.
SafeArrayPtrOfIndex	Returns a pointer to the element at the specified position in the given safe array.
SafeArrayPutElement	Sets the element at the specified position in the given safe array.
SafeArrayRedim	Changes the bound information for the last dimension of a safe array.
SafeArrayUnaccessData	Unlocks a safe array previously locked using the SafeArrayAccessData routine.
SafeArrayUnlock	Unlocks a safe array.
VarExceptionToResult	Converts an Exception type argument to an HRESULT type.
VariantChangeType	Converts a variant from one type to another.
VariantClear	Clears a variant.
VariantCopy	Clears the destination variant and makes a copy of the source variant.
VariantCopyInd	Clears the destination variant and makes a copy of the source variant, including the case when the source is of varByRef type.
VariantInit	Initializes a variant.

Struct

TVarTypeToElementInfo

This is an internal record type used in declaring the CVarTypeToElementInfo constant array.

Variable

VarAdd	VarAdd is a function type variable that specifies the function making the addition operation between two variants.
VarAnd	VarAnd is a function type variable that specifies the function making the bitwise and operation between two variants.
VarBoolFromStr	VarBoolFromStr is used to specify the function that makes the conversion from a WideString to a boolean value.
VarBstrFromBool	VarBstrFromBool is used to specify the function that makes the conversion from a boolean value to a WideString.
VarBstrFromCy	VarBstrFromCy is used to specify the function that makes the conversion from a currency value to a WideString.
VarBstrFromDate	VarBstrFromDate is used to specify the function that makes the conversion from a date value to a WideString.
VarCmp	VarCmp is a variable used to specify the function that compares two variants.
VarCyFromStr	VarCyFromStr is used to specify the function that makes the conversion from a WideString to a currency value.
VarDateFromStr	VarDateFromStr is used to specify the function that makes the conversion from a WideString to a date value.
VarDiv	VarDiv is a function type variable that specifies the function making the division operation between two variants.
VarI4FromStr	VarI4FromStr is used to specify the function that makes the conversion from a WideString to a four bytes integer value.
VarIDiv	VarIDiv is a function type variable that specifies the function making the division operation between two variants, after converting the variants to integers.
VarMod	VarMod is a function type variable that specifies the function that calculates the remainder on division of two variants.
VarMul	VarMul is a function type variable that specifies the function making the multiplication operation between two variants.
VarNeg	VarNeg is a function type variable that specifies the function that inverts the sign of a variant.
VarNot	VarNot is a function type variable that specifies the function that performs a not operation on a variant.
VarOr	VarOr is a function type variable that specifies the function doing the bitwise or operation between two variants.
VarR4FromStr	VarR4FromStr is used to specify the function that does the conversion from a WideString to a four bytes floating-point value.
VarR8FromStr	VarR8FromStr is used to specify the function that makes the conversion from a WideString to a eight bytes floating-point value.
VarSub	VarSub is a function type variable that specifies the function making the subtraction operation between two variants.
VarXor	VarXor is a function type variable that specifies the function making the bitwise xor (exclusive or) operation between two variants.
VariantChangeTypeEx	VariantChangeTypeEx stores the function that converts a variant from one type to another, using locale-specific information.

C++ Information

Class

ESafeArrayBoundsError	ESafeArrayBoundsError is the exception class for errors that occur because a variant array index is out of bounds.
ESafeArrayCreateError	ESafeArrayCreateError is the exception class for failing to create a variant array.
ESafeArrayError	ESafeArrayError is the exception class for errors involving variant arrays.
ESafeArrayLockedError	ESafeArrayLockedError is the exception class for errors that occur because a variant array is locked or fixed.
TVarTypeToElementInfo	This is an internal record type used in declaring the CVarTypeToElementInfo constant array.

Function

SafeArrayAccessData	Returns a pointer to the actual safe array data and locks the safe array.
SafeArrayAllocData	Allocates the actual data of the given safe array.
SafeArrayAllocDescriptor	Allocates a descriptor for the safe array.
SafeArrayCheck	Checks whether the given parameter is a safe array operation error code.
SafeArrayCopy	Copies a safe array to another.
SafeArrayCopyData	Copies the data from a safe array to another.
SafeArrayCreate	Creates a safe array.
SafeArrayDestroy	Destroys a safe array.
SafeArrayDestroyData	Destroys the actual data of the given safe array.
SafeArrayDestroyDescriptor	Destroys the descriptor of the given safe array.
SafeArrayError	Raises an event corresponding to the given safe array operation error code.
SafeArrayGetDim	Returns the number of dimension of the given safe array.
SafeArrayGetElemSize	Returns the size in bytes of an element in the given safe array.
SafeArrayGetElement	Returns the element at the specified position in the given safe array.
SafeArrayGetLBound	Returns the lower bound for the given dimension of a safe array.
SafeArrayGetUBound	Returns the upper bound for the given dimension of a safe array.
SafeArrayLock	Locks a safe array.
SafeArrayPtrOfIndex	Returns a pointer to the element at the specified position in the given safe array.
SafeArrayPutElement	Sets the element at the specified position in the given safe array.
SafeArrayRedim	Changes the bound information for the last dimension of a safe array.
SafeArrayUnaccessData	Unlocks a safe array previously locked using the SafeArrayAccessData routine.
SafeArrayUnlock	Unlocks a safe array.
VarExceptionToResult	Converts an Exception type argument to an HRESULT type.
VariantChangeType	Converts a variant from one type to another.
VariantClear	Clears a variant.
VariantCopy	Clears the destination variant and makes a copy of the source variant.
VariantCopyInd	Clears the destination variant and makes a copy of the source variant, including the case when the source is of varByRef type.
VariantInit	Initializes a variant.

Variable

CVarTypeToElementInfo	This constant is internally used by the SafeArrayCreate function.
VarAdd	VarAdd is a function type variable that specifies the function making the addition operation between two variants.
VarAnd	VarAnd is a function type variable that specifies the function making the bitwise and operation between two variants.
VarBoolFromStr	VarBoolFromStr is used to specify the function that makes the conversion from a WideString to a boolean value.
VarBstrFromBool	VarBstrFromBool is used to specify the function that makes the conversion from a boolean value to a WideString.
VarBstrFromCy	VarBstrFromCy is used to specify the function that makes the conversion from a currency value to a WideString.
VarBstrFromDate	VarBstrFromDate is used to specify the function that makes the conversion from a date value to a WideString.
VarCmp	VarCmp is a variable used to specify the function that compares two variants.
VarCyFromStr	VarCyFromStr is used to specify the function that makes the conversion from a WideString to a currency value.
VarDateFromStr	VarDateFromStr is used to specify the function that makes the conversion from a WideString to a date value.
VarDiv	VarDiv is a function type variable that specifies the function making the division operation between two variants.
VarI4FromStr	VarI4FromStr is used to specify the function that makes the conversion from a WideString to a four bytes integer value.
VarIDiv	VarIDiv is a function type variable that specifies the function making the division operation between two variants, after converting the variants to integers.
VarMod	VarMod is a function type variable that specifies the function that calculates the remainder on division of two variants.
VarMul	VarMul is a function type variable that specifies the function making the multiplication operation between two variants.
VarNeg	VarNeg is a function type variable that specifies the function that inverts the sign of a variant.
VarNot	VarNot is a function type variable that specifies the function that performs a not operation on a variant.
VarOr	VarOr is a function type variable that specifies the function doing the bitwise or operation between two variants.
VarR4FromStr	VarR4FromStr is used to specify the function that does the conversion from a WideString to a four bytes floating-point value.
VarR8FromStr	VarR8FromStr is used to specify the function that makes the conversion from a WideString to a eight bytes floating-point value.
VarSub	VarSub is a function type variable that specifies the function making the subtraction operation between two variants.
VarXor	VarXor is a function type variable that specifies the function making the bitwise xor (exclusive or) operation between two variants.
VariantChangeTypeEx	VariantChangeTypeEx stores the function that converts a variant from one type to another, using locale-specific information.