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isComponentInstalled Method

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This topic documents a feature of Binary Behaviors, which are obsolete as of Internet Explorer 10.

Retrieves whether the specified component is available.

Syntax

bInstalled = clientCaps.isComponentInstalled(sID, sIDType [, sMinVersion])

Parameters

sID Required. A String that specifies a MIME type, ProgID, class identifier (CLSID), or component ID.
sIDType Required. A case-insensitive String that specifies the type of the identifier in sID. Must be one of the following values:
mimetype
A MIME type, such as application/cdf.
progid
A ProgID string, such as WMPlayer.OCX.
clsid
A CLSID, such as {6BF52A52-394A-11D3-B153-00C04F79FAA6} (Microsoft Windows Media Player).
componentid
The Active Setup component ID. See Detectable Components in Internet Explorer.
sMinVersion Optional. A String that specifies the minimum required version of the component. (Version numbers can contain only numerals, separated by commas.)

Return Value

Returns one of the following values:

  • true
    The component is installed, and its version number is greater than or equal to the specified sMinVersion.
  • false
    The component is not installed, or its version number is less than the specified sMinVersion.

Remarks

 New for Windows Internet Explorer 9 Internet Explorer 9. Obsolete. Do not use.

Only Internet Explorer components are detected by this method. If a component identifier of a non-Microsoft component is specified, the method returns false .

Example

This example uses the isComponentInstalled method to determine whether the Microsoft virtual machine is installed.

<HTML xmlns:IE>
<HEAD>
<STYLE>
@media all {
      IE\:clientCaps {behavior:url(#default#clientcaps)}
}
</STYLE>
</HEAD>

<BODY>
<IE:clientCaps ID="oClientCaps" />

<SCRIPT>
    bMSvmAvailable = oClientCaps.isComponentInstalled("{08B0E5C0-4FCB-11CF-AAA5-00401C608500}",
    "ComponentID");
</SCRIPT>   

 :
</BODY>

Code example: https://samples.msdn.microsoft.com/workshop/samples/author/behaviors/clientcaps/isMSvmThere.htm

Applies To

clientCaps

See Also

About Client Capabilities, Using DHTML Behaviors, compareVersions, getComponentVersion