isComponentInstalled Method | Internet Development Index |
Retrieves whether the specified component is available.
Syntax
bInstalled = clientCaps.isComponentInstalled(sID, sIDType [, sMinVersion])
Parameters
sID Required. String爐hat specifies any of the component identifiers listed in the Detectable Components in Internet Explorer document. sIDType Required. String爐hat specifies the case-insensitive type of the identifier specified in sID, or the following value:
componentid Active Setup identifier of the component. sMinVersion Optional. String爐hat specifies the version number of the component.
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 Microsoft® Internet Explorer components are detected by this method. If a component identifier of a third-party 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.
Standards Information
There is no public standard that applies to this method.
Applies To
clientCaps
See Also
About Client Capabilities, Using DHTML Behaviors, compareVersions, getComponentVersion