Data Types for TestStand User Interface Support

TestStand 2019 Help

Edition Date: May 2019

Part Number: 370052AA-01

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TypeOLE Automation TypeDescription
BooleanVARIANT_BOOLHas the value True (-1) or False (0).
Byte ArraySAFEARRAY(unsigned char)An array of bytes.
ColorOLE_COLORA color. Many containers treat colors as 32-bit integers.
DateDATEDATE is a variant time that is stored as an 8-byte real value (double) and represents a date between January 1, 100 and December 31, 9999, inclusive. The value 0 represents December 30, 1899. Adding 1 to the value increments the date by a day. The fractional part of the value represents the time of day. Negative numbers represent the dates before December 30, 1899. LabWindows/CVI users can use the VariantTimeToSystemTime Microsoft Windows Software Development Kit (SDK) function to convert the variant date to a system time value and then use the GetDateFormat and GetTimeFormat Windows SDK functions to generate display strings. LabVIEW automatically converts the DATE data type to a timestamp.
Doubledouble64-bit floating point number.
Floatfloat32-bit floating point number.
FontIFontDispAn Object Linking and Embedding (OLE) Automation Interface to a font.
Integershort16-bit signed integer.
IUnknownIUnknownA generic OLE interface.
longOLE_YPOS_PIXELSPosition on the Y-axis in pixels.
LongLong32-bit signed integer.
longOLE_XPOS_PIXELSPosition on the X-axis in pixels.
LongLCIDA locale identifier.
Long ArraySAFEARRAY(long)An array of longs.
long longLONGLONG64-bit signed integer.
ObjectIDispatchA generic OLE Automation interface.
Object ArraySAFEARRAYAn array of objects.
PictureIPictureAn OLE Automation Interface to a Picture object or image.
PictureIPictureDispAn OLE Automation Interface to a Picture object or image.
StringBSTRA string.
String ArraySAFEARRAY(BSTR)An array of strings.
unsigned long longULONGLONG64-bit unsigned integer.
VariantVARIANTA variant.
VARTYPEVARTYPEAn enumeration type used to describe a data type of a VARIANT or safearray value. Refer to VARTYPE for more information about VARTYPE enumeration values.


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