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function InRange(const AValue, AMin, AMax: Integer): Boolean; overload;
function InRange(const AValue, AMin, AMax: Int64): Boolean; overload;
function InRange(const AValue, AMin, AMax: Double): Boolean; overload;
Returns True if a Value falls into a specified range
InRange returns True if AMin <= AValue <= AMax.
var i : integer;
i := InputBox('Caption', 'Write an integer', 0);
if InRange(i,-10,10) then
ShowMessage('The number you entered is greater than
or equal to -10 and less than or equal to +10.')
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EnsureRange,
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