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    UnicodeIsSurrogatePair

    Check if a pair of UTF16 encoded characters is a valid surrogate pair.

    Declaration

    Source position: unicodedata.pas line 489

    function UnicodeIsSurrogatePair(const AHighSurrogate: UnicodeChar; 
                               const ALowSurrogate: UnicodeChar)
                                : Boolean;

    Arguments

    Name Description
    AHighSurrogate High character in the surrogate pair.
    ALowSurrogate Low character in the surrogate pair.

    Function result

    True if AHighSurrogate,ALowSurrogate are a valid surrogate pair.

    Description

    UnicodeIsSurrogatePair checks whether AHighSurrogate,ALowSurrogate constitute a valid surrogate pair, and returns True if this is the case. It does this by checking whether the values are within the bounds for high and low surrogate pairs.

    See also

    Name Description
    FromUCS4 Convert UCS4 to UNicodeChar.
    ToUCS4 Encode unicode UTF16 surrogate pair to UCS4 character.
    UnicodeIsHighSurrogate Check if a UTF16 character is the high character in a surrogate pair.
    UnicodeIsLowSurrogate Check if a UTF16 character is the low character in a surrogate pair.