Справочник Пользователя для National Instruments Image Acqusition Software NI-IMAQdx
Chapter 3
Advanced Programming with NI-IMAQdx
3-2
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Attribute Type
The attribute type determines how a camera attribute is stored in the driver
and the camera. Use the Get Attribute Type function to query the type of
a given attribute. Each attribute is represented as one of the following types.
and the camera. Use the Get Attribute Type function to query the type of
a given attribute. Each attribute is represented as one of the following types.
Attribute Value
The attribute value represents the active value of an attribute in the driver
and the camera. The value type must be compatible with the attribute type.
The following value types are supported.
and the camera. The value type must be compatible with the attribute type.
The following value types are supported.
Table 3-1. Attribute Types and Descriptions
Attribute Type
Description
U32
32-bit unsigned integer
I64
64-bit signed integer
F64
Double precision floating point
String
String
Enum
Name and value pair
Bool
Boolean (true or false)
Command
Action
Table 3-2. Value Types and Descriptions
Value Type
Description
U32
32-bit unsigned integer
I64
64-bit signed integer
F64
Double precision floating point
String
String
EnumItem
Name and value pair
Bool
Boolean (true or false)