info.pas

Jedi Code Library JCL JVCL 组件包 JCL+JVCL超过300个组件的非可视/可视大型组件包。

unit Info;

interface

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

type
  TInfoForm = class(TForm)
    DevStrings: TListBox;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Vid: TLabel;
    Pid: TLabel;
    Vers: TLabel;
    Label5: TLabel;
    Label6: TLabel;
    Label7: TLabel;
    Label8: TLabel;
    InputLen: TLabel;
    OutputLen: TLabel;
    FeatureLen: TLabel;
    Label9: TLabel;
    Label10: TLabel;
    VendorName: TLabel;
    ProductName: TLabel;
    Label11: TLabel;
    SerialNo: TLabel;
    LangStrings: TListBox;
    Label12: TLabel;
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  InfoForm: TInfoForm;

implementation

uses
  DevReader;

{$R *.DFM}

procedure TInfoForm.FormCreate(Sender: TObject);
var
  I: Integer;
begin
  with Form1 do
  begin
    VendorName.Caption := TheDev.VendorName;
    ProductName.Caption := TheDev.ProductName;
    SerialNo.Caption := TheDev.SerialNumber;
    Vid.Caption  := IntToHex(TheDev.Attributes.VendorID, 4);
    Pid.Caption  := IntToHex(TheDev.Attributes.ProductID, 4);
    Vers.Caption := IntToHex(TheDev.Attributes.VersionNumber, 4);
    if TheDev.Caps.InputReportByteLength > 0 then
      InputLen.Caption   := IntToHex(TheDev.Caps.InputReportByteLength-1, 1);
    if TheDev.Caps.OutputReportByteLength > 0 then
      OutputLen.Caption  := IntToHex(TheDev.Caps.OutputReportByteLength-1, 1);
    if TheDev.Caps.FeatureReportByteLength > 0 then
      FeatureLen.Caption := IntToHex(TheDev.Caps.FeatureReportByteLength-1, 1);
    for I := 1 to 255 do
      if TheDev.DeviceStrings[I] <> '' then
        DevStrings.Items.Add(Format('%3d) %s',[I+1,TheDev.DeviceStrings[I]]));
    for I := 0 to TheDev.LanguageStrings.Count - 1 do
      LangStrings.Items.Add(TheDev.LanguageStrings[I]);
  end;
end;

end.