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Equals  
Method  
Determines if the current Double equals another
Double Structure
System NameSpace
CF1.  Function Equals ( Target : Object; ) : Boolean;
CF : Methods with this mark are Compact Framework Compatible
Description
Returns true if the current Double value matches the Target Double value. Otherwise false.
Notes
If the Target object is null then false is returned.
Microsoft MSDN Links
System
System.Double
 
 
An example of the first syntax
program Project1;
{$APPTYPE CONSOLE}

var
  valueA, valueB : Double;

begin
  valueA := 23;
  valueB := 24;

  Console.WriteLine('valueA  : {0}', valueA.ToString);
  Console.WriteLine('valueB  : {0}', valueB.ToString);

  if valueA.Equals(TObject(valueB))
  then Console.WriteLine('valueA  = valueB')
  else Console.WriteLine('valueA <> valueB');

  if valueA.Equals(TObject(valueA))
  then Console.WriteLine('valueA  = valueA')
  else Console.WriteLine('valueA <> valueA');

  Console.ReadLine;
end.
Show full unit code
  valueA  : 23
  valueB  : 24
  valueA <> valueB
  valueA  = valueA
 
 
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