RAD Studio VCL Reference
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Functions

The following table lists functions in this documentation.

 
Name 
Description 
 
Returns the programmatic ID for a specified class given its class ID (CLSID). 
 
Returns a TComClassManager object. 
 
CreateClassID generates a new GUID and returns it as a string. 
 
Instantiates a single instance of a COM object. 
 
Instantiates an Automation object. 
 
Creates or opens a registry key that is a subkey of HKEY_CLASSES_ROOT. 
 
Creates a Com object on another machine and returns an IUnknown interface for it. 
 
Deletes a single key that is a subkey of HKEY_CLASSES_ROOT from the system registry. 
 
This is function ComObj.DispatchInvoke. 
 
This is function ComObj.DispatchInvokeError. 
 
Retrieves a reference to an IDispatch interface to a currently running, registered COM object. 
 
Returns the value of a property on an IDispatch interface. 
 
Returns the value of a property on an IDispatch interface. 
 
Retrieves a value stored under a subkey of HKEY_CLASSES_ROOT from the system registry. 
 
This is function ComObj.GUIDToString. 
 
This is function ComObj.HandleSafeCallException. 
 
Connects an IConnectionPoint interface. 
 
Disconnects an IConnectionPoint interface connection that was previously made by the InterfaceConnect procedure. 
 
Throws an EOleSysError exception if the result code indicates an error. 
 
Raises an EOleSysError exception. 
 
Returns the class ID (CLSID) GUID that corresponds to the string specified as the ProgID parameter. 
 
Registers a COM object as an NT service. 
 
Registers an in-process COM server with the operating system. 
 
Sets the value of a property on an IDispatch interface. 
 
Sets the value of a property on an IDispatch interface. 
 
This is function ComObj.StringToGUID. 
 
This is function ComObj.StringToLPOLESTR. 
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