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DELPHI RTL Reference

Random function
Returns a randomly generated number within a specified range.

RandomFrom function
Returns an element at random position from an array.

Randomize procedure
Initializes the random number generator.

Rect function
Returns the TRect type variable from a rectangle given with top-left and bottom-right coordinate.

RemoveDir function
Deletes an empty folder.

RenameFile function
Changes the name of a specified file.

ReverseString function
Returns a string in which the character order of a specified string is reversed.

RightStr function
Returns a string containing a specified number of characters from the right side of a string.

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