Embedding the Remote Desktop ActiveX control in a webpage
You can embed the Remote Desktop ActiveX control in a web page by using code that is similar to the following.
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title id="TSWEBTITLE">Remote Desktop Web Connection</title>
<meta content="text/html; charset=windows-1252" http-equiv="Content-Type">
<style type="text/css" media="screen">
P
{
font-family: Verdana, Arial, Helvetica;
color: #000000;
font-size: 65%;
}
H1
{
margin-top: 0em;
font-family: verdana, arial, helvetica;
font-size: 100%;
font-weight: bold;
}
P.indent
{
line-height: 1.25em;
margin: 0.5em 1em 0.2em 3em;
}
.button
{
border-bottom-color: #6699ff;
background-color: #ffffff;
margin-top: 6pt;
border-top-color: #6699ff;
font-family: Verdana, Helvetica, Arial, Sans-Serif;
color: #000000;
border-right-color: #6699ff;
margin-left: 0.5em;
font-size: 70%;
border-left-color: #6699ff;
font-weight: normal;
}
.topspace
{
margin-top: 0.08em;
}
</style>
<meta name="GENERATOR" content="MSHTML 8.00.7600.16625">
</head>
<body bgcolor="#ffffff">
<script type="text/vbscript" language="vbscript">
<!--
const L_FullScreenWarn1_Text = "Your current security settings do not allow automatically switching to fullscreen mode."
const L_FullScreenWarn2_Text = "You can use ctrl-alt-pause to toggle your remote desktop session to fullscreen mode"
const L_FullScreenTitle_Text = "Remote Desktop Web Connection "
const L_ErrMsg_Text = "Error connecting to remote computer: "
const L_ClientNotSupportedWarning_Text = "Remote Desktop 6.0 does not support CredSSP over TSWeb."
' error messages
const L_RemoteDesktopCaption_ErrorMessage = "Remote Desktop Connection"
const L_InvalidServerName_ErrorMessage = "An invalid server name was specified."
sub window_onload()
if not autoConnect() then
Document.all.editServer.Focus
end if
end sub
function autoConnect()
Dim sServer
Dim iFS, iAutoConnect
sServer = getQS ("Server")
iAutoConnect = getQS ("AutoConnect")
iFS = getQS ("FS")
if NOT IsNumeric ( iFS ) then
iFS = 0
else
iFS = CInt ( iFS )
end if
if iAutoConnect <> 1 then
autoConnect = false
exit function
else
if iFS < 0 or iFS >= Document.all.comboResolution.options.length then
iFS = 0
end if
if IsNull ( sServer ) or sServer = "" then
sServer = window.location.hostname
end if
Document.all.comboResolution.selectedIndex = iFS
Document.all.Server.value = sServer
btnConnect ()
autoConnect = true
end if
end function
function getQS ( sKey )
Dim iKeyPos, iDelimPos, iEndPos
Dim sURL, sRetVal
iKeyPos = iDelimPos = iEndPos = 0
sURL = window.location.href
if sKey = "" Or Len(sKey) < 1 then
getQS = ""
exit function
end if
iKeyPos = InStr ( 1, sURL, sKey )
if iKeyPos = 0 then
sRetVal = ""
exit function
end if
iDelimPos = InStr ( iKeyPos, sURL, "=" )
iEndPos = InStr ( iDelimPos, sURL, "&" )
if iEndPos = 0 then
sRetVal = Mid ( sURL, iDelimPos + 1 )
else
sRetVal = Mid ( sURL, iDelimPos + 1, iEndPos - iDelimPos - 1 )
end if
getQS = sRetVal
end function
sub checkClick
if Document.all.Check1.Checked then
Document.all.tableLogonInfo.style.display = ""
Document.all.editUserName.Disabled = false
Document.all.editDomain.Disabled = false
else
Document.all.tableLogonInfo.style.display = "none"
Document.all.editUserName.Disabled = true
Document.all.editDomain.Disabled = true
end if
end sub
sub OnControlLoadError
Document.all.cerrmsg.style.display = "block"
Document.all.csafemsg.style.display = "none"
Document.all.Server.disabled = TRUE
Document.all.comboResolution.disabled = TRUE
end sub
sub OnControlLoad
set Control = Document.getElementById("MsRdpClient")
if Not Control is Nothing then
if Control.readyState = 4 then
Document.all.connectButton.disabled = FALSE
else
Document.all.cerrmsg.style.display = "block"
Document.all.csafemsg.style.display = "none"
Document.all.Server.disabled = TRUE
Document.all.comboResolution.disabled = TRUE
end if
else
Document.all.cerrmsg.style.display = "block"
Document.all.csafemsg.style.display = "none"
Document.all.Server.disabled = TRUE
Document.all.comboResolution.disabled = TRUE
end if
end sub
sub BtnConnect
Dim serverName
'server
if not Document.all.Server.value = "" then
serverName = Document.all.Server.value
else
serverName = Document.location.hostname
end if
serverName = trim(serverName)
On Error Resume Next
MsRdpClient.server = serverName
If Err then
msgbox L_InvalidServerName_ErrorMessage,0,L_RemoteDesktopCaption_ErrorMessage
Err.Clear
exit sub
end if
On Error Goto 0
'serverName name text
Document.all.srvNameField.innerHtml = serverName
'Resolution
MsRdpClient.FullScreen = FALSE
select case document.all.comboResolution.value
case "1"
MsRdpClient.FullScreen = TRUE
resWidth = screen.width
resHeight = screen.height
case "2"
resWidth = "640"
resHeight = "480"
case "3"
resWidth = "800"
resHeight = "600"
case "4"
resWidth = "1024"
resHeight = "768"
case "5"
resWidth = "1280"
resHeight = "1024"
case "6"
resWidth = "1600"
resHeight = "1200"
end select
MsRdpClient.DesktopWidth = resWidth
MsRdpClient.DesktopHeight = resHeight
MsRdpClient.Width = resWidth
MsRdpClient.Height = resHeight
'Default to EnableCredSsp and negotiate authentication level
'If functionality not supported, we ignore the error and continue
'Admins: If Network Level Authentication(NLA) not required, you can safely
' delete from here to "End of CredSSP/NLA warning section" marker.
'Server Admins: Start of CredSSP/NLA warning section
On Error Resume Next
MsRdpClient.AdvancedSettings5.AuthenticationLevel = 2
MsRdpClient.AdvancedSettings7.EnableCredSspSupport = TRUE
If Err then
msgbox L_ClientNotSupportedWarning_Text,48,L_RemoteDesktopCaption_ErrorMessage
Err.Clear
end if
On Error Goto 0
'Server Admins: End of CredSSP/NLA warning section
'Device redirection options
MsRdpClient.AdvancedSettings2.RedirectDrives = FALSE
MsRdpClient.AdvancedSettings2.RedirectPrinters = FALSE
MsRdpClient.AdvancedSettings2.RedirectPrinters = FALSE
MsRdpClient.AdvancedSettings2.RedirectClipboard = TRUE
MsRdpClient.AdvancedSettings2.RedirectSmartCards = FALSE
'Set keyboard hook mode to "Always hook" - only works on XP.
'MsRdpClient.SecuredSettings2.KeyboardHookMode = 1
'FullScreen title
MsRdpClient.FullScreenTitle = L_FullScreenTitle_Text & "(" & serverName & ")"
'Display connect region
Document.all.loginArea.style.display = "none"
Document.all.connectArea.style.display = "block"
'Connect
MsRdpClient.Connect
end sub
-->
</script>
<!--
-->
<!-- =========================LOGIN AREA ==========================
-->
<div id="loginArea">
<b><font id="Tahoma4" size="4" face="Tahoma">
<id id="bigtitle">Remote Desktop Web
Connection</id>
</font></b>
<p>
</p>
<table style="margin-top: -1em" border="0" cellspacing="0" cellpadding="0" width="640">
<!-- Graphic bar row -->
<tbody>
<tr>
<!-- Column 1 spans 4 rows -->
<td valign="top" rowspan="4" width="50%">
<div style="display: none" id="cerrmsg" name="cerrmsg">
<p id="CONTROLNOTINSTALLED" class="indent">
<b>Remote Desktop Web Connection ActiveX control is not installed.</b><br>
A connection cannot be made without a working installed version of the control.<br>
Click <a href="https://support.microsoft.com/kb/943887/en-us" target="_blank">here</a>
to install the updated Remote Desktop Connection (RDC) client.</p>
</div>
<div style="display: block" id="csafemsg" name="csafemsg">
<p class="indent">
<id id="remotecomputername">Type the name of the
remote computer you want to use, select the screen
size for your connection, and then click
<B>Connect</B>.</id>
</p>
</div>
</td>
<!-- Column 2 spans 4 rows-->
<td valign="top" rowspan="4" align="left">
</td>
<!-- Column 3 -->
<td style="width: 10%" id="ServerNameKeyWidth" valign="center">
<label accesskey="S" id="ServerNameKey" for="editServer">
<br>
<p align="right"> <id id="ServerName"><U>S</U>erver:</id></p>
</label>
</td>
<!-- Column 4 -->
<td id="ServerKeyWidth" valign="bottom" width="40%">
<br>
<input id="editServer" size="41" name="Server">
</td>
</tr>
<!-- Row 2 -->
<tr>
<!-- Column 3 -->
<td valign="center">
<p align="right">
<label accesskey="Z" id="sizeKey" class="sizespace" for="comboRes">
<id id="size">Si<U>z</U>e:</id>
</label>
</p>
</td>
<!-- Column 4 -->
<td valign="bottom">
<select id="comboRes" class="topspace" size="1" name="comboResolution">
<option selected value="1">
<id id="option1">
Full-screen</option>
<option value="2">
<id id="option2">
640 by 480</option>
<option value="3">
<id id="option3">
800 by 600</option>
<option value="4">
<id id="option4">
1024 by 768</option>
<option value="5">
<id id="option5">
1280 by 1024</option>
<option value="6">
<id id="option6">
1600 by 1200</option>
</select>
</td>
</tr>
<!-- Row 3 -->
<tr>
<!-- Column 3 -->
<td>
</td>
<!-- Column 4 -->
<td align="bottom">
<input
id="connectbutton"
class="button"
disabled onclick="BtnConnect"
value="Connect"
type="submit"
name="ButtonLogin">
</td>
</tr>
<!-- Row 4 -->
<tr>
<!-- Column 3 -->
<td height="215">
</td>
<!-- Column 4 -->
<td>
</td>
</tr>
</tbody>
</table>
</div>
<!-- ================================= LOGIN FORM =================
-->
<!-- ================================= CONNECT ====================
-->
<div style="display: none" id="connectArea">
<center>
<table>
<tbody>
<tr>
<td>
<object
id="MsRdpClient"
language="vbscript"
onreadystatechange="OnControlLoad"
onerror="OnControlLoadError"
classid="CLSID:4eb89ff4-7f78-4a0f-8b8d-2bf02e94e4b2"
width="800"
height="600">
</object>
</td>
</tr>
<tr>
<td>
<br>
<font id="srvfontname" color="#000000" size="1" face="Verdana, Arial, Helvetica">
<div style="display: none" id="connectDisplay">
<id id="loggedinsrv">Connected to </id>
<i><span id="srvNameField"></span></i>
<br>
</div>
</font>
</td>
</tr>
<script language="VBScript">
<!--
sub ReturnToConnectPage()
location.reload
end sub
sub MsRdpClient_OnConnected()
Document.All.connectDisplay.style.display = "block"
end sub
sub MsRdpClient_OnDisconnected(disconnectCode)
extendedDiscReason = MsRdpClient.ExtendedDisconnectReason
majorDiscReason = disconnectCode And &hFF
if (disconnectCode = &hB08 or majorDiscReason = 2 or majorDiscReason = 1) and not (extendedDiscReason = 5) then
'Switch back to login area
ReturnToConnectPage
exit sub
end if
errMsgText = MsRdpClient.GetErrorDescription(disconnectCode, extendedDiscReason)
if not errMsgText = "" then
msgbox errMsgText,0,L_RemoteDesktopCaption_ErrorMessage
end if
ReturnToConnectPage
end sub
-->
</script>
</tbody>
</table>
</center>
</div>
</body>
</html>
The CLSID is for the ActiveX control that is hosted by Remote Desktop Connection (RDP) 6.0. This ActiveX control implements IMsRdpClient.
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