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
Only Windows 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>
This feature requires Microsoft Internet Explorer 5 or later. Click the following icon to install the latest version. Then reload this page to view the sample.
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Standards Information
There is no public standard that applies to this method.
Applies To
See Also