comselect.pas

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unit ComSelect;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls,INIFIles;

type
  TfmSelectComPort = class(TForm)
    grpComSelect: TGroupBox;
    cmboComport: TComboBox;
    btnOK: TButton;
    procedure btnOKClick(Sender: TObject);
    Procedure Change;
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  fmSelectComPort: TfmSelectComPort;

implementation

{$R *.DFM}

procedure TfmSelectComPort.btnOKClick(Sender: TObject);
var
  fIniFile :TIniFile;
  iPort:integer;
begin

  if cmboComport.ItemIndex>-1 then
    begin
      iPort:=cmboComport.ItemIndex;
      fIniFile :=TIniFile.create(extractFilePath(GetCurrentDir+'\')+'fbus.ini');
      fINIFile.writeInteger('COMPORT','PORT',iPort);
      fINIFile.free;
      self.Close;
    end
  else
    MessageDlg('Please Select a Comport',mtWarning,[mbOk],0);

end;

Procedure TfmSelectComPort.Change;
var
  fIniFile :TIniFile;
  iPort:integer;
begin
  iPort:=cmboComport.ItemIndex;
  fIniFile :=TIniFile.create(extractFilePath(GetCurrentDir+'\')+'fbus.ini');
  iPort:=fINIFile.ReadInteger('COMPORT','PORT',iPort);
  fINIFile.free;
  cmboComport.ItemIndex:=iPort;
  Showmodal;
end;
end.