A. Com.

Once the components are all registered, you re ready to put them to work with a COM client.

I'm having problems when trying to invoke a method of a COM object which exposes more than one interface.

NET class and call the methods of the instance, just as if it were a COM object.

The ActiveX Control Importer converts type definitions in a COM type library for an ActiveX control into a Windows Forms control.

A COM client that implements the event sink interface is often called the event sink, or simply the sink.

If you're creating a name for a product or business that will require a . com, at are more likely to be available than others.

Notice how the constructor of this class takes in a com. ibm. collaboration. realtime. messages. MessageHandler object as a parameter.

This sample demonstrates the interoperation of a COM Client and a. NET Server that performs mortgage calculations.

If your Web page was served from a. com, then you can only make Ajax (or more precisely, XMLHttpRequest) calls to a. com.

A COM client can create an instance of a public class in an assembly and call the public members of the class.

The DCOM sample demonstrates how to call a COM object implemented in a Windows service from multiple clients running on different computers.

The application thread is only initialized for COM interop if the thread actually makes a call to a COM component.

This section describes how the import conversion process transforms type information as it converts a COM-style type library to .

Many developers have spent countless hours trying to keep all necessary registry entries consistent in order to activate a COM class.

The name of any file that contains a COM type library.

if your application uses only some of the methods on a COM interface, the compiler does not embed the unused methods.

Describes the consequences and options if the project system cannot create a COM interoperability wrapper for a particular component.

A . NET client can handle events raised by a COM server the way it handles any other managed event.

Is a command-line tool that converts the classes and interfaces contained in an assembly to a COM type library.

The information provided by this attribute is inserted into the Windows Registry to expose the Java-language class as a COM server.

A suggested variant is to use thread-local storage to instantiate one instance of a COM object for each worker thread.

The use of a Windows Forms control through a COM callable wrapper (CCW) is supported only in Internet Explorer.

This error generally occurs when the type library for a COM component cannot be registered.

More exactly, the CLR itself is not made of COM code, but the interface to the CLR is a COM object.

If more than one event sink is listening to a COM event source, the value of an out parameter may be ignored.

Consider a scenario in which managed code in an application domain is holding onto an RCW that represents a COM component.

The worker process, therefore, loads the CLR up as it were a COM object.

For a friendship to stay healthy, there must be a com-monality of interests.

Attribute instructs the compiler to add metadata that allows a class to be exposed as a COM object.

The name of the package of a COM class or interface.

Whenever the COM object and the managed thread are in incompatible apartments, all calls on the object are made through a COM-created proxy.

If not, however, Visual Studio 2005 is capable of generating a manifest automatically for a COM component.

Provides a set of services that convert a managed assembly to a COM type library and vice versa.

Is a COM object but the class identifier used to obtain the type is invalid, or the identified class is not registered.

Because of these issues, there is not much of a benefit to implement a COM smart tag in a VSTO add-in.

Describes a managed code wrapper for a COM library containing the objects and members for Visual Studio core automation.

For a COM component, this would be detrimental to performance.

The wrong syntax was used for a COM event.

Returns the CLSID value of a COM component that is registered as a business logic module used to resolve conflicts.

Creates a server instance of a COM object identified by the object's class identifier (CLSID).

Is particularly useful to specify default parameters for methods of a COM interop interface.

The following example shows a managed server as the event source and a COM client as the event sink.

A COM type library can define interfaces used for events.

Defines a custom interface attribute that specifies the managed namespace name for a COM library.

An HTTP connection uses a COM object instantiated by IIS, called a data pump, which acts as a conduit for Analysis Services data.

Through this interface, information about other interfaces a COM object may support can be obtained.

A managed server called by a COM client initialized in an MTA must ensure thread safety.

A COM object is located in unmanaged memory and is not expected to move to another memory location.

With this mechanism, a COM server can call back to a client when some event has occurred.

Adding a COM object that must be registered to the Toolbox attempts to register the COM component.

Indicates to the compiler that the class should be exposed as a COM object.

Provides an example that shows a managed server as the event source and a COM client as the event sink.

NET client activates a COM object, the runtime generates an instance of the runtime callable wrapper (RCW) to wrap the COM type.

You want a generic representation of a purchase that can be either a com. widgetco. Order or a com. amalgamated. Contract.

Parameter must be either a COM-imported type or a subtype of a COM-imported type.

Changes the strength of a COM callable wrapper's (CCW) handle on the object it contains.

When COM interop imports a COM type, it produces a. NET Framework method signature equivalent to the original COM method signature.

The author of the component sets the thread affinity of a COM server.

Of a COM object, which attempts to obtain a specific interface pointer.

This message box is displayed when the project system could not create a COM interop wrapper for a particular component.

For interoperability , the common language runtime creates and initializes an apartment when calling a COM object .

This sample is a COM system that consists of several COM servers and an MFC application that uses the servers.

A COM object can support multiple interfaces, each representing a different view or behavior of the object.

Registers a business logic handler or a COM-based custom resolver that can be invoked during the merge replication synchronization process.

A string that can be used by the compiler to uniquely identify an interface for the class when a COM object is created.

This method is used to explicitly control the lifetime of a COM object used from managed code.

The common language runtime throws an exception when a COM method in native code returns an HRESULT.

A COM component can only be isolated once per application.

Take the example of an office-furniture store running a COM server that tracks its inventory.

Every time a COM interface pointer enters the common language runtime, it is wrapped in a runtime callable wrapper.

Returns a managed object of a specified type that represents a COM object.

The runtime also creates a COM callable wrapper (CCW) to reverse the process, enabling a COM client to seamlessly call a method on a .

These properties are displayed only when a COM component is selected in the References pane.

Explicitly define a destination namespace for the types in a COM library.

When you re accessing a COM server from a Java client, you can continue to work inside Eclipse to create the Java project.

Discusses the impact of multiple versions of a COM component.

In-situ thermal degrdn. of A. Com. dehydrogenation catalyst in a fixed-bed reactor is studied exptl.

A filter is a software (actually a COM) component that performs an operation on a multimedia stream.

An unexpected error occurs when marshaling a COM interface pointer during argument marshaling.

Gets a direct pointer to a COM object that ensures that the unmanaged memory remains allocated.

There are a couple additions that must be made to a COM object so it can run with the fully privileged token.

With a run-time callable wrapper, you can use a COM component within . NET.

Domain is generic anf intuitive and its a . com, this would certainly help my goals.

GetComInterfaceForObject is useful when calling a method that exposes a COM object parameter as an IntPtr type, or with custom marshaling.

To define a COM control, if the control is in the application code directory.

A COM object that implements the IClassFactory interface for the application was not registered.

To make a Windows Form work correctly from a COM client application, you must run it on a Windows Forms message loop.

The use of programming techniques and special machine features to permit a com puting system to execute programs written for another system.

Which produces a COM type library from an assembly and generates a wrapper that performs marshaling during method calls.

If you override any property or method inherited from a COM class, you must override all the other inherited properties and methods.

Specifies the managed namespace name for a COM library.

If you can't do that, get a local domain like a . com. cn.

This wizard implements a connection point for a COM object.

Each COM component that your application uses is represented in your project as a COM reference.

The process type of a COM component must match the IIS worker process type.

A managed component must be registered in the Windows registry before it can be activated from a COM client.

You ve created Java code that interacts with a COM-based server.

An ActiveX control, in the very simplest form, is a COM object that supports the IUnknown interface.

Indicates that the assembly was originally imported from a COM type library.

You can debug a COM server and container using two projects within the same solution.

Function to load an instance of a COM component from a file.

Method of the type to retrieve a COM interface to the object, if the object supports this.

The client could be a standalone application, an Eclipse plug-in, or a COM based-client.

You can simulate the absence of a COM component by temporarily unregistering it.

Requests a pointer to a specified interface from a COM object.

A COM interop wrapper is created for each ActiveX control; property, method, and events are mapped to their equivalents.

While this file may have the same extension as COM DLL, it is not a COM component.

These types are typically already described in a COM type library.

Supports methods that can be called when a COM component starts up or shuts down.

A string that can be used by the compiler to uniquely identify the class when a COM object is created.

Consequently, a COM object can be used as a managed object in the runtime.

HRESULT returned from JScript to a COM classic client.

Method releases the managed reference to a COM object.

The runtime uses this metadata to generate a CCW whenever a COM client activates managed object.

It will be necessary for you to use single-threading, for example, if your CLR program hosts a COM object that uses single-threading.

Also, you can reverse the process to use a . NET assembly in a COM-based application.

If your CLR program uses multi-threading, it cannot host a COM object that uses single-threading.

Exception is thrown when an unrecognized HRESULT is returned from a COM method call.

Returns a reference to an object provided by a COM component.

Method to create a server instance of a COM object.

Retrieves the type description of the implemented interface types if a type description describes a COM class.

The following code example demonstrates how to use these wrappers to pass various types of variants to a COM server.

It is recommended to use a business logic handler rather than a COM-based custom resolver if possible.

If code uses a COM object, avoid sharing that COM object between application domains.

Determines whether the specified type is a COM type.

You can get or set a property exposed by a COM object the way you get and set properties exposed by a managed class.

Creates a server instance of a COM object.

Additionally, this section identifies the tasks related to consuming a managed type from a COM client.

Living without an aim is like sailing without a com pass.

A COM-style BSTR with a prefixed length and Unicode characters.

In the following login method, you associate a com. lotus. sametime. community. LoginListener to your CommunityService object.

Indicates whether a specified object represents a COM object.

A COM developer can declare properties and methods on interfaces.

Debugging a COM container is similar to debugging a standard program.

Creates and returns a reference to a COM object.

On a COM object is the same as performing a cast operation in managed code.

To isolate a COM component, all you need to do is set its reference's Isolated property to True.

A COM interface, exposed by the composite control.

A COM server can create object instances of multiple object classes.

A COM-style BSTR with a prefixed length and ANSI characters.

The reference is to a COM component that is not installed on the computer.

A COM client that invokes a managed server on a remote host uses DCOM.

A managed client that invokes a COM server on a remote host uses DCOM.

Every instance of a COM object has a single, unique wrapper, no matter how many interfaces the object implements.

Describes the type of a COM member.

A COM application uses the CLSID to identify a class when invoking the CoCreateInstance method.

This interface is used in the process of converting a COM type library to a managed assembly.

This interface is used in the process of converting a managed assembly to a COM type library.

First it's a COM used on remote machines to receive a component and register it.

Allows a low-privileged COM client to delegate calls to a COM server that is running under a higher-priveleged NT user account.

On success; otherwise, returns a COM error code on failure.

Actually, the CLR is exposed as a COM object.

Converts an object to a COM VARIANT.

Demonstrates how a managed project can host a COM object.

Indicates that a coclass or interface definition was imported from a COM type library.

Consider, for example, a client application that evaluates expressions entered by the user by passing an operator to a COM component.

Control is browsing a COM object and the user renames the object.

I'll be referring back to all these articles in the future when I rearchitect Socrates' VBA code as a COM add-in that uses smart tags.

It has a COM interface, and supports C, C and Java.

Execute a com plete tire change-over in less than 5 seconds ?

Demonstrates how to add a COM string (BSTR) to a database and how to marshal a System. String from a database to a BSTR.

Converts a COM VARIANT to an object.

You can register a COM object by using the Regsvr32 utility included with the Windows operating system.

If you want to create code that runs for every document, you must create a COM add-in.

Unloads a COM assembly from the process.

Describes how to raise events consumed by a COM client.

Describes how to consume events raised by a COM server.

The exception that is thrown when an unrecognized HRESULT is returned from a COM method call.

When you call such a procedure, for example a Win32 API function or a COM method, you might expose your application to security risks.

In the code above, I create a com. sun. rowset. CachedRowSetImpl object.

Instead, create a COM object that is equivalent to the script, producing a DLL.

Sometimes your code requires an unmanaged resource, such as a file handle, a COM wrapper, or a SQL connection.

For example, a COM coclass automatically maps to a managed class with the same name.

You can also create a COM class manually instead of using the COM class template.

Marking components as COM so the Visual Basic compiler will generate the additional code required to create a COM component.

Although you can also expose a class created with Visual Basic as a COM object for unmanaged code to use, it is not a true COM object.

Demonstrates how to use Visual Basic 6. 0 To create a COM object containing a class, and then use it as a base class in Visual Basic.

On Collecting Multimedia Exam Problems and Its Realization on a COM Basis

Two other methods also determine whether a specified object represents a COM object, but the requirements for returning

If a COM library supports multiple interfaces, the interface ID can also be used to resolve the procedure name, as demonstrated here

When you have multiple versions of a COM component, you can have multiple type libraries, and possibly multiple versions of a

Is useful when calling a method that exposes a COM object parameter as an

Design and Implement of a COM Component Which Encrpyt and Sign Data in Web FORMS

Whenever your managed client calls a method on a COM object, the runtime creates a

A managed delegate is marshaled as a COM interface or as a function pointer, based on the calling mechanism

Runtime Initialization from a COM Application

To set up the code in your class to create a COM object

Design of a COM-based three-layer software

Walkthrough: Hello World: A COM Interop Example for Smart Devices

The class identifier of a COM server

A COM-Based Development of Software Components of Network Communication

Whenever a managed client calls a method on a COM object and it needs to pass in culture-specific information, it does so using the

To import a COM component and then reference it in the Macros IDE

To create a Windows-based application using a COM component

A COM sample integrating communication OCX

To set up your project to generate a COM object

A COM-based GIS Data Format Transferring Method

Calling a. NET Component from a COM Component

FIX: You may receive a 0x800706F7 error message when you make a COM method call that has a BSTR parameter

Returns true if the object is really a COM object,

To create a COM object using the COM class template

How to: Handle Events Raised by a COM Source

For details on TLBIMP and how to use it to import a COM type library, see

SerialPort: Cannot open a COM port beyond COM9

FIX: Subsequent attempts to activate a COM object by using the ProgID fail after an intermittent error occurs in Windows Server 2003

For example, if you want to change the way that the 'Article' view displays a com_content article, then you should copy the file at