labview的數(shù)據(jù)類型----無所不在的類型描述符 TYPE DESCRIPTOR

作者：時間：2017-01-09 來源：網(wǎng)絡

下面給出完整的類型描述符表:

Data Types

The following tables list numeric and nonnumeric data types, type codes, and type descriptors.

Data Type	Type Code (numbers in hexadecimal)	Type Descriptor (numbers in hexadecimal
8-bit Integer	01	0004xx01
16-bit Integer	02	0004xx02
32-bit Integer	03	0004xx03
64-bit Integer	04	0004xx04
Unsigned 8-bit Integer	05	0004xx05
Unsigned 16-bit Integer	06	0004xx06
Unsigned 32-bit Integer	07	0004xx07
Unsigned 64-bit Integer	08	0004xx08
Single-Precision Floating-Point Number	09	0004xx09
Double-Precision Floating-Point Number	0A	0004xx0A
Extended-Precision Floating-Point Number	0B	0004xx0B
Single-Precision Complex Floating-Point Number	0C	0004xx0C
Double-Precision Complex Floating-Point Number	0D	0004xx0D
Extended-Precision Complex Floating-Point Number	0E	0004xx0E
Enumerated 8-bit Integer	15	xx15
Enumerated 16-bit Integer	16	xx16
Enumerated 32-bit Integer	17	xx17
Single-Precision Physical Quantity	19	xx19
Double-Precision Physical Quantity	1A	xx1A
Extended-Precision Physical Quantity	1B	xx1B
Single-Precision Complex Physical Quantity	1C	xx1C
Double-Precision Complex Physical Quantity	1D	xx1D
Extended-Precision Complex Physical Quantity	1E	xx1E
n=length;x=reserved; k=number; k pstrs=number of Pascal strings; k base-exp=number ofbase-exponent pairs.

Data Type	Type Code (numbers in hexadecimal)	Type Descriptor (numbers in hexadecimal)
Boolean	21	0004xx21
String	30	0008xx30
Path	32	0008xx32
Picture	33	0008xx33
Array	40	xx40
Cluster	50	xx50
Waveform	54	xx54
Refnum	70
Variant	53	xx53
n=length;x=reserved; k=number; k pstrs=number of Pascal strings; k base-exp=number of base-exponent pairs. A dim is a 32-bit integer. The following sections provide examples of data and type descriptors.

OPENG中提供了大量的利用類型描述符的功能節(jié)點,并且源代碼是完全開放的,仔細跟蹤它的程序設計方法對我們更好地理解LABVIEW非常有幫助.