MATLAB BUILDER EX 1 Guia do Utilizador descarregar pdf (Página 115)

Data Conversion Rules

COM VARIANT to MATLAB Conversion Rules (Continued)

VARIANT Type

MATLAB Data Type

(scalar or array

data) Comments

VT_INT int32

VT_UINT uint32

VT_DECIMAL double

VT_BOOL logical

VT_DISPATCH

(varies)

IDispatch* pointers are treated w ithin

the context of what they point to. Objects

must be supported types with k nown data

extraction and conve rsio n rule s, or expose

a generic

Value property that points to a

single

VARIANT type. D ata extracted from

an object is converted based upon the rules

for the particular

VARIANT obtained.

Currently, support exists for Excel

Range

objectsaswellasExcelBuildertypes

MWStruct, MWComplex, MWSparse,and

MWArg. See “Utility Library Cla sses” on

page C-3 for information on Excel Builder

types.

<anything>|VT_BYREF

(varies)

Pointers to any of the basic types are

processed according to the rules for what

they point to. The resulting MATLAB

array contains a deep copy of the values.

<anything>|VT_ARRAY

(varies)

Multidi m ensional

VARIANT arrays convert

to multidime nsional MATLAB arrays, e ach

element converted according to the rules for

the basic types. Multidi mensional

VARIANT

arrays of type VT_VARIANT|VT_ARRAY

convert to multidimensional cell arrays,

each cell converted according to the rules

for that specific type.

B-11

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