How to Get Current Memo Line Number

Author: admin | Category: Tips and Tricks, VCL

//This is how we can get Memo (TMemo) line number
//This example needs Memo1 (TMemo) and BUtton1 (TButton)
//By Clicking Button1, message box will show the memo line number where mouse cursor placed on the Memo
 
unit Unit1;
 
interface
 
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;
 
type
  TForm1 = class(TForm)
    Memo1: TMemo;
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;
 
var
  Form1: TForm1;
 
implementation
 
{$R *.dfm}
 
procedure TForm1.Button1Click(Sender: TObject);
var
  LineNumber:integer;
begin
  LineNumber := SendMessage(Memo1.Handle,EM_LINEFROMCHAR,-1,0);
  ShowMessage(inttostr(LineNumber));
end;
 
end.
 

Tags: Memo