Mega Code Archive
Open a URL in a New Standard Webbrowser Window
<![CDATA[
Title: open a URL in a New Standard Webbrowser Window?
{1.}
uses
ShellAPI, Registry;
procedure OpenURL(Url: string);
var
ts: string;
begin
with TRegistry.Create do
try
rootkey := HKEY_CLASSES_ROOT;
OpenKey('\htmlfile\shell\open\command', False);
try
ts := ReadString('');
except
ts := '';
end;
CloseKey;
finally
Free;
end;
if ts = '' then Exit;
// remove quotes and commandline parameters
ts := Copy(ts, Pos('"', ts) + 1, Length(ts));
ts := Copy(ts, 1, Pos('"', ts) - 1);
ShellExecute(0, 'open', PChar(ts), PChar(url), nil, SW_SHOW);
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
OpenURL('http://www.SwissDelphiCenter.ch');
end;
{2.}
{**************************************************************}
{ From: http://community.borland.com/article/0,1410,16858,00.html }
uses
DdeMan,
{$IFDEF WIN32}
Registry; {We will get it from the registry}
{$ELSE}
IniFiles; {We will get it from the win.ini file}
{$ENDIF}
{$IFNDEF WIN32}
const
MAX_PATH = 144;
{$ENDIF}
function GetProgramAssociation(Ext: string): string;
var
{$IFDEF WIN32}
reg: TRegistry;
s: string;
{$ELSE}
WinIni: TIniFile;
WinIniFileName: array[0..MAX_PATH] of Char;
s: string;
{$ENDIF}
begin
{$IFDEF WIN32}
s := '';
reg := TRegistry.Create;
reg.RootKey := HKEY_CLASSES_ROOT;
if reg.OpenKey('.' + ext + '\shell\open\command',
False) False then
begin
{The open command has been found}
s := reg.ReadString('');
reg.CloseKey;
end
else
begin
{perhaps thier is a system file pointer}
if reg.OpenKey('.' + ext,
False) False then
begin
s := reg.ReadString('');
reg.CloseKey;
if s '' then
begin
{A system file pointer was found}
if reg.OpenKey(s + '\shell\open\command',
False) False then
{The open command has been found}
s := reg.ReadString('');
reg.CloseKey;
end;
end;
end;
{Delete any command line, quotes and spaces}
if Pos('%', s) 0 then
Delete(s, Pos('%', s), Length(s));
if ((Length(s) 0) and
(s[1] = '"')) then
Delete(s, 1, 1);
if ((Length(s) 0) and
(Pos('"', s) 0)) then
Delete(s, Pos('"', s), Length(s));
while ((Length(s) 0) and
(s[Length(s)] = #32)) do
Delete(s, Length(s), 1);
{$ELSE}
GetWindowsDirectory(WinIniFileName, SizeOf(WinIniFileName));
StrCat(WinIniFileName, '\win.ini');
WinIni := TIniFile.Create(WinIniFileName);
s := WinIni.ReadString('Extensions',ext,'');
WinIni.Free;
{Delete any command line}
if Pos(' ^', s) 0 then
Delete(s, Pos(' ^', s), Length(s));
{$ENDIF}
Result := s;
end;
procedure StartNewBrowserWindow(URL: string);
var
DDEConv: TDDEClientConv;
URLFired: bool;
App: string;
UpApp: string;
p: array[0..MAX_PATH] of Char;
begin
UrlFired := False;
App := GetProgramAssociation('HTM');
UpApp := Uppercase(App);
Delete(App, Pos('.EXE', UpAPP), Length(App));
if Pos('NETSCAPE.EXE',
UpApp) 0 then
begin
DDEConv := TDDEClientConv.Create(nil);
DDEConv.ServiceApplication := App;
if DDEConv.SetLink('NETSCAPE', 'WWW_OpenURL') then
if DDEConv.RequestData(URL + ',,0x0,0x0') nil then
if DDEConv.SetLink('NETSCAPE', 'WWW_Activate') then
URLFired := DDEConv.RequestData('0xFFFFFFFF,0x0') nil;
DDEConv.Free;
end
else if Pos('IEXPLORE.EXE',
UpApp) 0 then
begin
DDEConv := TDDEClientConv.Create(nil);
DDEConv.ServiceApplication := App;
if DDEConv.SetLink('iexplore', 'WWW_OpenURL') then
if DDEConv.RequestData(URL + ',,0') nil then
if DDEConv.SetLink('iexplore', 'WWW_Activate') then
URLFired := DDEConv.RequestData('0,0') nil;
DDEConv.Free;
end;
if UrlFired = False then
WinExec(StrPCopy(@p, URL), SW_SHOWNORMAL);
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
StartNewBrowserWindow('http://www.borland.com');
StartNewBrowserWindow('http://www.yahoo.com');
end;
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