Delphi Data Type conversions (several string functions have not been seen, such as Stringtowidechar and widechartostring)

The Datetimetofiledate function converts the Delphi date format to the date format of the DOS
The DATETIMETOSTR function converts a DateTime format to a string
The Datetimetostring function converts a DateTime format to a string
The DATETOSTR function converts a date format to a string
The Filedatetodatetime function converts the date format of a DOS to a date format of Delphi
The Floattodecimal function converts floating-point numbers to decimal numbers
The FLOATTOSTRF function converts floating-point numbers to strings
The FLOATTOSTR function converts floating-point numbers to strings
The Floattotext function converts the given floating-point number to decimal
The FLOATTOTEXTFMT function converts the given floating-point number to decimal
Inttohex converting integers to hexadecimal numbers
IntToStr converting an integer number to a string
The Stringtowidechar function converts an ANSI string to a Unicode string
The Strtodate function converts a string to a date format
The Strtodatetime function converts a string to a date/time format
The Strtofloat function converts the given string to a floating-point number
The Strtoint function converts a string to an integer type
The Strtointdef function converts a string to an integer or default value
The Strtotime function converts a string to a time format
The Texttofloat function converts a string (in null-terminated format) to a floating-point number
The TIMETOSTR function converts a time format to a string
The Vartodatetime function converts a given variant to a DateTime
The widecharlentostring function converts an ANSI string to a Unicode string
The widechartostring function converts a Unicode string to an ANSI string
The Widechartostrvar function converts a Unicode string to an ANSI string variable

http://blog.csdn.net/earbao/article/details/9112229

Delphi Data Type conversions (several string functions have not been seen, such as Stringtowidechar and widechartostring)