main.pas

delphi老牌的浏览器控件

//*************************************************************
//                    EmbeddedWB - Print  Demo                *
//                                                            *
//                            by                              *
//                     Eran Bodankin (bsalsa)                 *
//                     [e-mail]                      *
//                                                            *
//     Documentation and updated versions:                    *
//               http://www.bsalsa.com                        *
//*************************************************************
{*******************************************************************************}
{LICENSE:
THIS SOFTWARE IS PROVIDED TO YOU "AS IS" WITHOUT WARRANTY OF ANY KIND,
EITHER EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE APPLIED
WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE.
YOU ASSUME THE ENTIRE RISK AS TO THE ACCURACY AND THE USE OF THE SOFTWARE
AND ALL OTHER RISK ARISING OUT OF THE USE OR PERFORMANCE OF THIS SOFTWARE
AND DOCUMENTATION. [YOUR NAME] DOES NOT WARRANT THAT THE SOFTWARE IS ERROR-FREE
OR WILL OPERATE WITHOUT INTERRUPTION. THE SOFTWARE IS NOT DESIGNED, INTENDED
OR LICENSED FOR USE IN HAZARDOUS ENVIRONMENTS REQUIRING FAIL-SAFE CONTROLS,
INCLUDING WITHOUT LIMITATION, THE DESIGN, CONSTRUCTION, MAINTENANCE OR
OPERATION OF NUCLEAR FACILITIES, AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS,
AIR TRAFFIC CONTROL, AND LIFE SUPPORT OR WEAPONS SYSTEMS. VSOFT SPECIFICALLY
DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR SUCH PURPOSE.

You may use, change or modify the demo under 4 conditions:
1. In your website, add a link to "http://www.bsalsa.com"
2. In your application, add credits to "Embedded Web Browser"
3. Mail me  ([e-mail]) any code change in the unit
   for the benefit of the other users.
4. Please,  consider donation in our web site!
{*******************************************************************************}

unit Main;

interface

uses
   Controls, Classes, Windows, Messages, Forms, Dialogs, Menus,
   EmbeddedWB, OleCtrls, SHDocVw_EWB, EwbCore;

type
   TPrintOptions = record
      Copies: Integer; //Number of copies
      Portrait: Boolean; //Paper orientation
      Left: string; //Left Margin
      Top: string; //Top Margin
      Right: string; //Right Margin
      Bottom: string; //Bottom Margin
      Header: string; //Header string
      Footer: string; //Footer string
   end;

var
   PrintOptions: TPrintOptions;
   bPrintWithOpt: Boolean;

type
   TMainFrm = class(TForm)
      Exit: TMenuItem;
      FileMenu: TMenuItem;
      LandscapeNoDlg: TMenuItem;
      LanscapeDlg: TMenuItem;
      MainMenu1: TMainMenu;
      N1: TMenuItem;
      N2: TMenuItem;
      PortraitDlg: TMenuItem;
      PortraiteNoDlg: TMenuItem;
      Print: TMenuItem;
      PrintPreview: TMenuItem;
      PrintSetup: TMenuItem;
      PrintWithDlg: TMenuItem;
      PrintWithOptions: TMenuItem;
      PrintWithOutDlg: TMenuItem;
      EmbeddedWB1: TEmbeddedWB;
      PrintPreviewMaximized: TMenuItem;
      procedure PrintPreviewMaximizedClick(Sender: TObject);
      procedure ExitClick(Sender: TObject);
      procedure FormShow(Sender: TObject);
      procedure LandscapeNoDlgClick(Sender: TObject);
      procedure LanscapeDlgClick(Sender: TObject);
      procedure PortraitDlgClick(Sender: TObject);
      procedure PortraiteNoDlgClick(Sender: TObject);
      procedure PrintClick(Sender: TObject);
      procedure PrintPreviewClick(Sender: TObject);
      procedure PrintSetupClick(Sender: TObject);
      procedure PrintWithOptionsClick(Sender: TObject);

   private
   { Private declarations }
      procedure WMActivate(var Msg: TWMActivate); message WM_ACTIVATE;

   public
    { Public declarations }
   end;

var
   MainFrm: TMainFrm;

implementation

{$R *.dfm}
//----------Private Section--------------------------------

procedure TMainFrm.WMActivate(var Msg: TWMActivate);
var
   S: string;
   wnd: HWND;
   I: Integer;
begin
   if bPrintWithOpt and (msg.active = 0) then
      begin
         bPrintWithOpt := false;
         wnd := Msg.ActiveWindow;
         I := GetWindowTextLength(wnd);
         SetLength(S, I + 1);
         GetWindowText(Wnd, PChar(S), I + 1);
         if S = 'Print'#0 then
            begin
               SetDlgItemInt(wnd, 1154, PrintOptions.Copies, FALSE);
               SendDlgItemMessage(Wnd, 1, BM_CLICK, 0, 0);
               bPrintWithOpt := true;
            end
         else
            if S = 'Page Setup'#0 then
               begin
                  if PrintOptions.Portrait then
                     SendDlgItemMessage(Wnd, 1056, BM_CLICK, 0, 0)
                  else
                     SendDlgItemMessage(Wnd, 1057, BM_CLICK, 0, 0);

                  SetDlgItemText(wnd, 8147, PChar(PrintOptions.Header));
                  SetDlgItemText(wnd, 8149, PChar(PrintOptions.Footer));
                  SetDlgItemText(wnd, 1155, PChar(PrintOptions.Left));
                  SetDlgItemText(wnd, 1156, PChar(PrintOptions.Top));
                  SetDlgItemText(wnd, 1157, PChar(PrintOptions.Right));
                  SetDlgItemText(wnd, 1158, PChar(PrintOptions.Bottom));
                  SendDlgItemMessage(Wnd, 1, BM_CLICK, 0, 0);
                  bPrintWithOpt := True;
               end;
      end;
end;

//-----End of private section-----------------------------------------------

procedure TMainFrm.FormShow(Sender: TObject);
begin
   EmbeddedWB1.Navigate('bsalsa.com');
end;

procedure TMainFrm.ExitClick(Sender: TObject);
begin
   Close;
end;

procedure TMainFrm.PrintClick(Sender: TObject);
begin
   EmbeddedWB1.PrintOptions.HideSetup := true;
   EmbeddedWB1.Print;
end;

procedure TMainFrm.PrintPreviewClick(Sender: TObject);
begin
   EmbeddedWB1.PrintPreView;
end;

procedure TMainFrm.PrintSetupClick(Sender: TObject);
begin
   EmbeddedWB1.PrintSetup;
end;

procedure TMainFrm.PrintWithOptionsClick(Sender: TObject);
begin
   EmbeddedWB1.PrintWithOptions;
end;

procedure TMainFrm.LanscapeDlgClick(Sender: TObject);
begin
   with EmbeddedWB1.PrintOptions do
      begin
         Orientation := poLandscape;
         Margins.Left := 16.75; // always use the unit of measurement defined on your own computer.
         Header := 'This is my new header';
      end;
   EmbeddedWB1.PrintWithOptions;
end;

procedure TMainFrm.PortraitDlgClick(Sender: TObject);
begin
   with EmbeddedWB1.PrintOptions do
      begin
         Orientation := poPortrait;
         Margins.Left := 16.75; // always use the unit of measurement defined on your own computer.
         Header := 'This is my new header';
      end;
   EmbeddedWB1.PrintWithOptions;
end;

procedure TMainFrm.LandscapeNoDlgClick(Sender: TObject);
begin
   with PrintOptions do
      begin
         Copies := 1;
         Portrait := False;
         Footer := 'This is my Footer';
         Header := 'This is my Header';
         Left := '25,0';
         Top := '20,0';
         Right := '22,0';
         Bottom := '19,7';
      end;
   bPrintWithOpt := True;
   Embeddedwb1.PageSetup(true);
   EmbeddedWB1.Print;
   bPrintWithOpt := False;
end;

procedure TMainFrm.PortraiteNoDlgClick(Sender: TObject);
begin
   with PrintOptions do
      begin
         Copies := 1;
         Portrait := True;
         Footer := 'This is my Footer';
         Header := 'This is my Header';
         Left := '25,0';
         Top := '20,0';
         Right := '22,0';
         Bottom := '19,7';
      end;
   bPrintWithOpt := True;
   Embeddedwb1.PageSetup(true);
   EmbeddedWB1.Print;
   bPrintWithOpt := False;
end;

procedure TMainFrm.PrintPreviewMaximizedClick(Sender: TObject);
begin
   EmbeddedWB1.PrintPreviewExtended(SW_MAXIMIZE);
end;

end.