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Revision as of 18:52, 12 February 2024 by ClomosyManager (talk | contribs)

procedure Dec(var Variable Ordinal variable);

The Dec procedure decrements the ordinal Variable parameter passed to it.

Example:

Base Syntax
 var
   Number    : Integer;
 
 begin
   Number := 23;
   ShowMessage('Number : '+IntToStr(Number));
   Dec(Number);
   ShowMessage('Number-1 : '+IntToStr(Number));
 end;
TRObject Syntax
 var
   Number    : Integer;
 
 {
   Number = 23;
   ShowMessage('Number : '+IntToStr(Number));
   Dec(Number);
   ShowMessage('Number-1 : '+IntToStr(Number));
 }

Output:

Number : 23
Number-1 : 22