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Low

unit
system
category
range handling

declaration
function Low(X)

description
Returns the smallest available value for a range.

Low containing the first element of an Ordinal, Array or string. The Low function is used with the High function to determine the size of an array, for example.

example
//example 1
type TExperience=(Beginner, Intermediate, Advanced);
var aProg : TExperience;

aProg := High(aProg); //aProg = Advanced
 
//example 2
var 
 dblArray: array[1973..2003] of Double;
 i : integer;

for i:= Low(dblArray) to High(dblArray) do
begin
// add code for i going from 1973 to 2003
end

//example 3
type TAPI=(API, MAPI, SAPI, IAPI);
var aapi:Tapi;
...
for i := Low(aapi) to High(aapi) do
 if i:=mapi then showmessage(inttostr(i));
end;

in real code

see also


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