Delphi应用程序与Chm帮助关联的简单实现(源代码)

请参考：Delphi程序与Chm帮助关联的简单实现

http://www.csdn.net/Develop/Article/18/18116.shtm

unit Unit1;

/// 作者：李新 kelvinsdu@sina.com QQ：1348513

interface

uses

Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,

ComCtrls, StdCtrls;

const

conHelpTitle='科研项目管理系统 2.0';

HH_DISPLAY_TOPIC=0;//先查msdn，有好多command，自己改成0,1之类的

type

TForm1 = class(TForm)

EdtProjectManager: TEdit; // helpcontext =10101

Button1: TButton;

Label1: TLabel;

EdtFinanceInput: TEdit; // helpcontext =10102

function FormHelp(Command: Word; Data: Integer;

var CallHelp: Boolean): Boolean;

procedure Button1Click(Sender: TObject);

private

{ Private declarations }

public

{ Public declarations }

end;

procedure ShowChmHelp(sTopic:string);

var

Form1: TForm1;

function HtmlHelpA (hwndcaller:Longint; lpHelpFile:string; wCommand:Longint;dwData:string): HWND;stdcall; external 'hhctrl.ocx'

implementation

uses Unit2;

{$R *.DFM}

Function CurrentExeFilepath:String; //返回当前的路径

var cdir:string;

Begin

Result:='';

SetLength(CDir,144);

If GetCurrentDirectory(144,PChar(CDir))<>0 Then

SetLength(CDir,StrLen(PChar(CDir)))

Else

RaiseLastWin32Error;

Result:=CDir;

End;

procedure ShowChmHelp(sTopic:string);

var i:integer;

begin

i:=HtmlHelpA(Application.Handle,Pchar(CurrentExeFilepath+'\help.chm'),HH_DISPLAY_TOPIC,sTopic);

if i=0 then

begin

Showmessage(' help.chm 帮助文件损坏！');

exit;

end;

function TForm1.FormHelp(Command: Word; Data: Integer;

var CallHelp: Boolean): Boolean;

begin

case Data of

10100: ShowChmHelp('SystermIntroduction.htm');

10101: ShowChmHelp('ProjectManager.htm');

10102: ShowChmHelp('FinanceInput.htm');

else ShowChmHelp('SystermIntroduction.htm');

end;

procedure TForm1.Button1Click(Sender: TObject);

begin

OKBottomDlg:=TOKBottomDlg.create(nil);

try

OKBottomDlg.ShowModal;

finally

OKBottomDlg.free;

end;

end.

/////////////////////////

unit Unit2;

interface

uses Windows, SysUtils, Classes, Graphics, Forms, Controls, StdCtrls,

Buttons, ExtCtrls;

type

TOKBottomDlg = class(TForm)

OKBtn: TButton;

CancelBtn: TButton;

cbQuickQuery: TComboBox; // helpcontext =10200

EdtSuperQuery: TEdit; // helpcontext =10201

function FormHelp(Command: Word; Data: Integer;

var CallHelp: Boolean): Boolean;

private

{ Private declarations }

public

{ Public declarations }

end;

var

OKBottomDlg: TOKBottomDlg;

implementation

uses unit1;

{$R *.DFM}

function TOKBottomDlg.FormHelp(Command: Word; Data: Integer;

var CallHelp: Boolean): Boolean;

begin

case Data of

10200: ShowChmHelp('QuickQuery.htm');

10201: ShowChmHelp('SuperQuery.htm');

else ShowChmHelp('SystermIntroduction.htm');

end;