This means that 0.5 is either noon or noon on #, depending on context. First, a time value without a date equals that time on #. To make things worse, time values for # are ambigous in two ways. Negative times are really counterintuitive. The decimal fraction still shows the time and the integral part is the date, but each second decrements the clock while each new day increments it, not just by 1, but by almost 2. At midnight the clock jumps forward to −36521, which equals #. With negative historical dates time actually runs backwards! Midnight # equals −36522, but noon # is −36522.5 (less than midnight!) and one second before midnight is −36522.9999884259 (even less). With modern dates time always runs forwards, as you would suspect. Things get odd when the value is negative. The integral part is the date, the fraction is the time: date.time. Peculiarities with historical dates in VB6 You can even store fractions of a second, but VB6 has no functionality for the fractions. The maximum precision in VB6 time functions is 1 second, whose numeric value is 0.0000115740740740741. An hour is equal to 1/24, a minute is 1/1440 and a second is 1/86400. The time of day is in the decimal fraction. A week equals 7 and a year is either 365 or 366. The value 1 is equal to one day, or 24 hours. The integral part of a Date represents the day. Use CDbl(T) to convert a Date to its numeric representation and CDate(n) to convert a number to a Date. The range covered is midnight # to # 11:59:59 PM# in the Gregorian calendar. Date can store either the calendar date, the time of day, or both. VB6 stores dates and times in the Date data type. Date and time valuesĭates and times are closely related to numeric data types, especially in VB6. NET: NaN, PositiveInfinity and NegativeInfinity are special values of Double. The latter value is also the maximum literal number you can write in VB6 code. NET: NaN, PositiveInfinity and NegativeInfinity are special values of Single. The latter is also the maximum Single literal you can write in VB6 code. It rounds down to 3.40282 3E+38 when displayed. The value closest to zero is ☑.401298E-45. You can, however, create a Variant whose subtype is Decimal using the CDec function. You cannot declare a variable to be of type Decimal. VB6 supports Decimal with the Variant data type. The storage size is 128 bits, but not all the bits are used for the number. The binary representation consists of a 1-bit sign, a 96-bit integer number and the scaling factor. A Decimal can represent 29 decimal digits: integers and decimal numbers with max 28 decimal places. The scaling factor varies from 1 to 1E+28. Decimalĭecimal is a signed 96-bit integer, which is divided by a scaling factor. It is unsupported in VB6, VBA6 and on 32-bit platforms. Introduced with Office 2010, LongLong is a 64-bit signed integer that is available in VBA7 running on a 64-bit platform. In VB.NET one can replace it with Decimal, which provides more capability. CurrencyĬurrency is a 64-bit integer divided by 10000. To stay clear one can use Int16, Int32 and Int64 in. Integer and Long have the same name and type character in VB6/VBA and VB.NET, but they are different data types altogether. The storage size is 16 bits in VB6 and varies by platform in. ** Double: ☑.79769313486231570E+308 Data type specifics Booleanīoolean is really a flag and not a numeric data type. NET data types, available in Visual Basic versions from 2005 to 2010. The VB.NET data types are aliases for the underlying. The VB6/VBA data types are used in classic VB and Visual Basic for Applications. The following table shows numeric data types sorted by their storage requirements in bits and the numeric range they support. With numeric data types we mean the elementary built-in types intended to store integer numbers, decimal numbers, flags and dates. You may find some of the information especially handy if you intend to migrate from VB6 to a. Reasonable development experience is assumed. How to store numbers in your programs? How to avoid Overflow or loss of decimals? How to work with dates? This article summarizes the elementary numeric data types in classic Visual Basic, Visual Basic for Applications, Visual Basic. A conversion diagram shows how to achieve lossless type conversion. There are surprising peculiarities in several types. This article presents a technical look into the numeric data types supported by classic Visual Basic, VBA, VB.NET and the.
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