Unit |
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Function |
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Summary |
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System | | Abs | | Gives the absolute value of a number (-ve sign is removed) |
System | | Addr | | Gives the address of a variable, function or procedure |
SysUtils | | AnsiCompareStr | | Compare two strings for equality |
SysUtils | | AnsiCompareText | | Compare two strings for equality, ignoring case |
StrUtils | | AnsiContainsStr | | Returns true if a string contains a substring |
StrUtils | | AnsiContainsText | | Returns true if a string contains a substring, case insensitive |
StrUtils | | AnsiEndsStr | | Returns true if a string ends with a substring |
StrUtils | | AnsiIndexStr | | Compares a string with a list of strings - returns match index |
StrUtils | | AnsiLeftStr | | Extracts characters from the left of a string |
SysUtils | | AnsiLowerCase | | Change upper case characters in a string to lower case |
StrUtils | | AnsiMatchStr | | Returns true if a string exactly matches one of a list of strings |
StrUtils | | AnsiMidStr | | Returns a substring from the middle characters of a string |
StrUtils | | AnsiPos | | Find the position of one string in another |
StrUtils | | AnsiReplaceStr | | Replaces a part of one string with another |
StrUtils | | AnsiReverseString | | Reverses the sequence of letters in a string |
StrUtils | | AnsiRightStr | | Extracts characters from the right of a string |
StrUtils | | AnsiStartsStr | | Returns true if a string starts with a substring |
SysUtils | | AnsiUpperCase | | Change lower case characters in a string to upper case |
Math | | ArcCos | | The Arc Cosine of a number, returned in radians |
Math | | ArcSin | | The Arc Sine of a number, returned in radians |
System | | ArcTan | | The Arc Tangent of a number, returned in radians |
System | | Assigned | | Returns true if a reference is not nil |
System | | BeginThread | | Begins a separate thread of code execution |
Classes | | Bounds | | Create a TRect value from top left and size values |
StdConvs | | CelsiusToFahrenheit | | Convert a celsius temperature into fahrenheit |
SysUtils | | ChangeFileExt | | Change the extension part of a file name |
System | | Chr | | Convert an integer into a character |
SysUtils | | CompareStr | | Compare two strings to see which is greater than the other |
SysUtils | | CompareText | | Compare two strings for equality, ignoring case |
Math | | CompareValue | | Compare numeric values with a tolerance |
System | | Concat | | Concatenates one or more strings into one string |
ConvUtils | | Convert | | Convert one measurement value to another |
System | | Copy | | Create a copy of part of a string or an array |
System | | Cos | | The Cosine of a number |
SysUtils | | CreateDir | | Create a directory |
SysUtils | | CurrToStr | | Convert a currency value to a string |
SysUtils | | CurrToStrF | | Convert a currency value to a string with formatting |
SysUtils | | Date | | Gives the current date |
SysUtils | | DateTimeToFileDate | | Convert a TDateTime value to a File date/time format |
SysUtils | | DateTimeToStr | | Converts TDateTime date and time values to a string |
SysUtils | | DateToStr | | Converts a TDateTime date value to a string |
DateUtils | | DayOfTheMonth | | Gives day of month index for a TDateTime value (ISO 8601) |
DateUtils | | DayOfTheWeek | | Gives day of week index for a TDateTime value (ISO 8601) |
DateUtils | | DayOfTheYear | | Gives the day of the year for a TDateTime value (ISO 8601) |
SysUtils | | DayOfWeek | | Gives day of week index for a TDateTime value |
DateUtils | | DaysBetween | | Gives the whole number of days between 2 dates |
DateUtils | | DaysInAMonth | | Gives the number of days in a month |
DateUtils | | DaysInAYear | | Gives the number of days in a year |
DateUtils | | DaySpan | | Gives the fractional number of days between 2 dates |
Math | | DegToRad | | Convert a degrees value to radians |
SysUtils | | DeleteFile | | Delete a file specified by its file name |
SysUtils | | DirectoryExists | | Returns true if the given directory exists |
SysUtils | | DiskFree | | Gives the number of free bytes on a specified drive |
SysUtils | | DiskSize | | Gives the size in bytes of a specified drive |
StrUtils | | DupeString | | Creates a string containing copies of a substring |
SysUtils | | EncodeDate | | Build a TDateTime value from year, month and day values |
DateUtils | | EncodeDateTime | | Build a TDateTime value from day and time values |
SysUtils | | EncodeTime | | Build a TDateTime value from hour, min, sec and msec values |
DateUtils | | EndOfADay | | Generate a TDateTime value set to the very end of a day |
DateUtils | | EndOfAMonth | | Generate a TDateTime value set to the very end of a month |
System | | Eof | | Returns true if a file opened with Reset is at the end |
System | | Eoln | | Returns true if the current text file is pointing at a line end |
System | | Exp | | Gives the exponent of a number |
SysUtils | | ExtractFileDir | | Extracts the dir part of a full file name |
SysUtils | | ExtractFileDrive | | Extracts the drive part of a full file name |
SysUtils | | ExtractFileExt | | Extracts the extension part of a full file name |
SysUtils | | ExtractFileName | | Extracts the name part of a full file name |
SysUtils | | ExtractFilePath | | Extracts the path part of a full file name |
StdConvs | | FahrenheitToCelsius | | Convert a fahrenheit temperature into celsius |
SysUtils | | FileAge | | Get the last modified date/time of a file without opening it |
SysUtils | | FileDateToDateTime | | Converts a file date/time format to a TDateTime value |
SysUtils | | FileExists | | Returns true if the given file exists |
SysUtils | | FileGetAttr | | Gets the attributes of a file |
System | | FilePos | | Gives the file position in a binary or text file |
SysUtils | | FileSearch | | Search for a file in one or more directories |
SysUtils | | FileSetAttr | | Sets the attributes of a file |
SysUtils | | FileSetDate | | Set the last modified date and time of a file |
System | | FileSize | | Gives the size in records of an open file |
SysUtils | | FindClose | | Closes a successful FindFirst file search |
SysUtils | | FindCmdLineSwitch | | Determine whether a certain parameter switch was passed |
SysUtils | | FindFirst | | Finds all files matching a file mask and attributes |
SysUtils | | FindNext | | Find the next file after a successful FindFirst |
SysUtils | | FloatToStr | | Convert a floating point value to a string |
SysUtils | | FloatToStrF | | Convert a floating point value to a string with formatting |
SysUtils | | ForceDirectories | | Create a new path of directories |
SysUtils | | Format | | Rich formatting of numbers and text into a string |
SysUtils | | FormatCurr | | Rich formatting of a currency value into a string |
SysUtils | | FormatDateTime | | Rich formatting of a TDateTime variable into a string |
SysUtils | | FormatFloat | | Rich formatting of a floating point number into a string |
System | | Frac | | The fractional part of a floating point number |
SysUtils | | GetCurrentDir | | Get the current directory (drive plus directory) |
System | | GetLastError | | Gives the error code of the last failing Windows API call |
System | | GetMem | | Get a specified number of storage bytes |
System | | Hi | | Returns the hi-order byte of a (2 byte) Integer |
System | | High | | Returns the highest value of a type or variable |
DateUtils | | IncDay | | Increments a TDateTime variable by + or - number of days |
SysUtils | | IncHour | | Increments a TDateTime variable by + or - number of hours |
DateUtils | | IncMillisecond | | Increments a TDateTime variable by + or - number of milliseconds |
DateUtils | | IncMinute | | Increments a TDateTime variable by + or - number of minutes |
SysUtils | | IncMonth | | Increments a TDateTime variable by a number of months |
DateUtils | | IncSecond | | Increments a TDateTime variable by + or - number of seconds |
DateUtils | | IncYear | | Increments a TDateTime variable by a number of years |
Dialogs | | InputBox | | Display a dialog that asks for user text input, with default |
Dialogs | | InputQuery | | Display a dialog that asks for user text input |
System | | Int | | The integer part of a floating point number as a float |
SysUtils | | IntToHex | | Convert an Integer into a hexadecimal string |
SysUtils | | IntToStr | | Convert an integer into a string |
System | | IOResult | | Holds the return code of the last I/O operation |
Math | | IsInfinite | | Checks whether a floating point number is infinite |
SysUtils | | IsLeapYear | | Returns true if a given calendar year is a leap year |
System | | IsMultiThread | | Returns true if the code is running multiple threads |
Math | | IsNaN | | Checks to see if a floating point number holds a real number |
SysUtils | | LastDelimiter | | Find the last position of selected characters in a string |
System | | Length | | Return the number of elements in an array or string |
System | | Ln | | Gives the natural logarithm of a number |
System | | Lo | | Returns the low-order byte of a (2 byte) Integer |
Math | | Log10 | | Gives the log to base 10 of a number |
System | | Low | | Returns the lowest value of a type or variable |
SysUtils | | LowerCase | | Change upper case characters in a string to lower case |
Math | | Max | | Gives the maximum of two integer values |
Math | | Mean | | Gives the average for a set of numbers |
Dialogs | | MessageDlg | | Displays a message, symbol, and selectable buttons |
Dialogs | | MessageDlgPos | | Displays a message plus buttons at a given screen position |
Math | | Min | | Gives the minimum of two integer values |
DateUtils | | MonthOfTheYear | | Gives the month of the year for a TDateTime value |
SysUtils | | Now | | Gives the current date and time |
System | | Odd | | Tests whether an integer has an odd value |
System | | Ord | | Provides the Ordinal value of an integer, character or enum |
System | | ParamCount | | Gives the number of parameters passed to the current program |
System | | ParamStr | | Returns one of the parameters used to run the current program |
System | | Pi | | The mathematical constant |
Classes | | Point | | Generates a TPoint value from X and Y values |
Classes | | PointsEqual | | Compares two TPoint values for equality |
System | | Pos | | Find the position of one string in another |
System | | Pred | | Decrement an ordinal variable |
Printers | | Printer | | Returns a reference to the global Printer object |
Dialogs | | PromptForFileName | | Shows a dialog allowing the user to select a file |
Types | | PtInRect | | Tests to see if a point lies within a rectangle |
Math | | RadToDeg | | Converts a radian value to degrees |
System | | Random | | Generate a random floating point or integer number |
Math | | RandomRange | | Generate a random integer number within a supplied range |
DateUtils | | RecodeDate | | Change only the date part of a TDateTime variable |
DateUtils | | RecodeTime | | Change only the time part of a TDateTime variable |
Classes | | Rect | | Create a TRect value from 2 points or 4 coordinates |
SysUtils | | RemoveDir | | Remove a directory |
SysUtils | | RenameFile | | Rename a file or directory |
System | | Round | | Rounds a floating point number to an integer |
System | | SeekEof | | Skip to the end of the current line or file |
System | | SeekEoln | | Skip to the end of the current line or file |
FileCtrl | | SelectDirectory | | Display a dialog to allow user selection of a directory |
SysUtils | | SetCurrentDir | | Change the current directory |
System | | Sin | | The Sine of a number |
System | | SizeOf | | Gives the storage byte size of a type or variable |
System | | Slice | | Creates a slice of an array as an Open Array parameter |
System | | Sqr | | Gives the square of a number |
System | | Sqrt | | Gives the square root of a number |
System | | StringOfChar | | Creates a string with one character repeated many times |
SysUtils | | StringReplace | | Replace one or more substrings found within a string |
System | | StringToWideChar | | Converts a normal string into a WideChar 0 terminated buffer |
SysUtils | | StrScan | | Searches for a specific character in a constant string |
SysUtils | | StrToCurr | | Convert a number string into a currency value |
SysUtils | | StrToDate | | Converts a date string into a TDateTime value |
SysUtils | | StrToDateTime | | Converts a date+time string into a TDateTime value |
SysUtils | | StrToFloat | | Convert a number string into a floating point value |
SysUtils | | StrToInt | | Convert an integer string into an Integer value |
SysUtils | | StrToInt64 | | Convert an integer string into an Int64 value |
SysUtils | | StrToInt64Def | | Convert a string into an Int64 value with default |
SysUtils | | StrToIntDef | | Convert a string into an Integer value with default |
SysUtils | | StrToTime | | Converts a time string into a TDateTime value |
StrUtils | | StuffString | | Replaces a part of one string with another |
System | | Succ | | Increment an ordinal variable |
Math | | Sum | | Return the sum of an array of floating point values |
Math | | Tan | | The Tangent of a number |
SysUtils | | Time | | Gives the current time |
SysUtils | | TimeToStr | | Converts a TDateTime time value to a string |
DateUtils | | Tomorrow | | Gives the date tomorrow |
SysUtils | | Trim | | Removes leading and trailing blanks from a string |
SysUtils | | TrimLeft | | Removes leading blanks from a string |
SysUtils | | TrimRight | | Removes trailing blanks from a string |
System | | Trunc | | The integer part of a floating point number |
System | | UpCase | | Convert a Char value to upper case |
SysUtils | | UpperCase | | Change lower case characters in a string to upper case |
Variants | | VarType | | Gives the current type of a Variant variable |
System | | WideCharToString | | Copies a null terminated WideChar string to a normal string |
SysUtils | | WrapText | | Add line feeds into a string to simulate word wrap |
DateUtils | | Yesterday | | Gives the date yesterday |
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