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DELPHI RTL Reference

IfThen function
Returns one of two values, depending on the evaluation of an expression.

Inc function
Increments an ordinal value by N.

IncAMonth function
Modifies date data by a number of months specified.

IncDay function
Adds or substracts a given number of days from a date value.

Include procedure
Adds an element to a set.

IncludeTrailingBackslash function
Adds '\' to the end of a string if it is not already there.

IncMonth function
Adds or substracts a given number of months from a date value.

InputBox function
Brings up an input dialog box ready for the user to enter a string in its edit box.

InputQuery function
Brings up an input dialog box ready for the user to enter a string in its edit box or to cancel the input.

InRange function
Returns True if a Value falls into a specified range.

Insert procedure
Inserts a substring into a string at a given position.

Int function
Returns the integer part of a number.

IntersectRect function
Returns the intersection of two rectangles.

IntPower function
Returns a real number raised to an integer power.

IntToHex function
Converts an integer to a string - hex representation.

IntToStr function
Converts an integer to a string.

IsDelimiter function
Returns True if a specified character in a string matches one of a set of delimiters starting from some position.

IsInfinite function
Returns true if the value specified represents positive or negative infinity.

IsPathDelimiter function
Returns true if a specified character in a string is the backslash (\) character.

IsPM function
Returns true if the time portion of a TDateTime value occurs on or after 12:00 (noon) and before 24:00 (midnight).

IsLeapYear function
Returns True if a year specified is a leap year.

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