RAD Studio VCL Reference
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Variables

The following table lists variables in this documentation.

Name 
Description 
CurrencyDecimals is the number of digits to the right of the decimal point in a currency amount. 
CurrencyFormat defines the currency symbol placement and separation used in floating-point–to–decimal conversions. Possible values are: 0 = $1 | 1 = 1$ | 2 = $ 1 | 3 = 1 $ 
CurrencyString defines the currency symbol (or characters) used in floating-point to decimal conversions. 
DateSeparator is the character used to separate the year, month, and day parts of a date value. 
DecimalSeparator is the character used to separate the integer part from the fractional part of a number. This variable must have a value other than #0. 
An empty string constant. 
An empty string version of the WideString constant. 
Defines the names of calendar eras for East Asian locales. 
Controls the DateTimeToStr function (for East Asian locales). 
Lists strings that can represent the boolean value false. 
This is variable SysUtils.GetDiskFreeSpaceEx. 
HexDisplayPrefix contains the prefix to display on hexadecimal values - $ for Pascal (Delphi) syntax, 0x for C++ syntax. 
Lists all values that can be the first byte of a double byte character on the local system. 
The character used to separate items in a list. 
LongDateFormat is the format string used to convert a date value to a long string suitable for display but not for editing. 
LongDayNames is the array of strings containing long day names. The dddd format specifier in a format string passed to FormatDateTime causes a long day name to be substituted. 
LongMonthNames is the array of strings containing long month names. The mmmm format specifier in a format string passed to FormatDateTime causes a long month name to be substituted. 
LongTimeFormat is the format string used to convert a time value to a string with hours, minutes, and seconds. 
NegCurrFormat defines the currency format used in floating-point to decimal conversions of negative numbers. 
A pointer to an empty string. 
A pointer to an empty wide string. 
ShortDateFormat is the format string used to convert a date value to a short string suitable for editing. 
ShortDayNames is the array of strings containing short day names. The ddd format specifier in a format string passed to FormatDateTime causes a short day name to be substituted. 
ShortMonthNames is the array of strings containing short month names. The mmm format specifier in a format string passed to FormatDateTime causes a short month name to be substituted. 
ShortTimeFormat is the format string used to convert a time value to a short string with only hours and minutes. 
SysLocale holds locale information. 
ThousandSeparator is the character used to separate thousands in numbers with more than three digits to the left of the decimal separator. 
TimeAMString is the suffix string used for time values between 00:00 and 11:59 in 12-hour clock format. 
TimePMString is the suffix string used for time values between 12:00 and 23:59 in 12-hour clock format. 
TimeSeparator is the character used to separate the hour, minute, and second parts of a time value. 
Lists strings that can represent the boolean value false. 
Determines what century is added to two-digit years when string dates are converted to numeric dates. 
Specifies which the build level of the Windows Operating System operating. 
Specifies the Win32 latest installed service pack. 
Specifies which major Windows Operating System version is operating. 
Specifies which minor Windows Operating System version is operating. 
Specifies the Windows Operating System platform identifier. 
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