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CreateObject: component object

Last updated on May 30, 2024 | Also applies to ColdFusion

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Note:

As of ColdFusion (2021 release), CORBA has been removed. You can no longer use CORBA-related features, functions, and tags.

Description

The CreateObject function can create an instance of a ColdFusion component (CFC) object.

Returns

A component object.

Function syntax

CreateObject(type, component-name, domain, username, password)

History

ColdFusion (2016 release) Update 3: Added the parameters domain, username, and password.

Note: The new parameters are applicable only when type="COM".

Parameters

Parameter	Description
type	(Optional) - Type of object to create. The default value of type is component . com corba java component webservice
component-name	The CFC name; corresponds to the name of the file that defines the component; for example, use engineComp to specify the component defined in the engineComp. cfc file
domain	The domain to which the user belongs.
username	The user name to access the COM component.
password	The password of the above user name .

Pre-requisites

If the DLL is hosted on a remote server, register the DLL with the server using JIntegra's "Setdllhost.exe" tool with the host server. To use the tool on the remote server, copy the jintegra /bin folder to that DCOM server. If you are registering 32-bit DLLs on a 64-bit server, copy the JIntegra tool from a 32-bit installation of ColdFusion.
If you are using an express installation of Col dFusion, register the TypeViewer DLL in ColdFusion's lib directory with the DCOM server using JIntegra's Sethostdll tool. You may encounter "AutomationException: 0x80040154 - Class not registered." error if the TypeViewer DLL is not registered.

Usage

On UNIX systems, ColdFusion searches first for a file with a name that matches the specified component name, but is all lowercase. If it does not find the file, it looks for a filename that matches the component name exactly, with the identical character casing.In the following example, the CFScript statements assign the tellTimeCFC variable to the tellTime component using the CreateObject function. The CreateObject function references the component in another directory. To invoke component methods, you use function syntax.

<b>Server's Local Time:</b> 
<cfscript> 
tellTimeCFC=CreateObject("component","appResources.components. 
tellTime"); 
tellTimeCFC.getLocalTime(); 
</cfscript> 
<br> 
<b>Calculated UTC Time:</b> 
<cfscript> 
tellTimeCFC.getUTCTime(); 
</cfscript>

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