Delphi Basics : Addr command

DelphiBasics

Addr
Function

Gives the address of a variable, function or procedure

System unit

1	function Addr(Variable name):Pointer;
2	function Addr (Function name:Pointer;
3	function Addr (Procedure name:Pointer;

Description

The Addr function returns the address of a Variable, Function or Procedure.

It is similar to the @ operator, but is not constrained by the $TypedAddress compiler directive - it always returns an untyped Pointer.

You can cast this to a typed pointer, as in the example.

Related commands

Pointer

Defines a general use Pointer to any memory based data

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Example code : Using the address of a string to display the string

var
  myString  : string;
  ptrString : PString;
begin
  // Set up variable values
  myString := 'Hello there';

  ptrString := Addr(myString);
  ShowMessage('myString : '+ptrString^);
end;

Show full unit code

myString : Hello there