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ATL Control Wizard

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Inserts into an ATL project (or an MFC project with ATL support) an ATL control. You can use this wizard to insert one of three kinds of controls:

  • Standard control

  • Composite control

  • DHTML control

Additionally, you can specify a minimal control, removing the interfaces from the Interfaces list, which are provided as defaults for controls to open in most containers. You can set the interfaces you want supported for the control in the Interfaces page of the wizard.

Remarks

The registration script produced by this wizard will register its COM components under HKEY_CURRENT_USER instead of HKEY_LOCAL_MACHINE. To modify this behavior, set the Register component for all users option of the ATL Wizard.

Names

Specify the names for the object, interface, and classes to be added to your project. Except for Short name, all other boxes can be changed independently. If you change the text for Short name, the change is reflected in the names of all other boxes in this page. If you change the Coclass name in the COM section, the change is reflected in the Type box, but the Interface name and ProgID do not change. This naming behavior is designed to make all the names easily identifiable for you as you develop your control.

Note

Coclass is editable on only nonattributed controls. If your project attributed, you cannot edit Coclass.

C++

Provides information for the C++ class created to implement the object.

  • Short name
    Sets the abbreviated name for the object. The name that you provide determines the class and Coclass names, the file (.CPP and .H) names, the interface name, and the Type names, unless you change those fields individually.

  • Class
    Sets the name of the class that implements the object. This name is based on the name that you provide in Short name, preceded by 'C', the typical prefix for a class name.

  • .h file
    Sets the name of the header file for the new object's class. By default, this name is based on the name that you provide in Short name. Click the ellipsis button to save the file name to the location of your choice, or to append the class declaration to an existing file. If you select an existing file, the wizard will not save it to the selected location until you click Finish.

    The wizard does not overwrite a file. If you select the name of an existing file, when you click Finish, the wizard prompts you to indicate whether the class declaration should be appended to the contents of the file. Click Yes to append the file; click No to return to the wizard and specify another file name.

  • .cpp file
    Sets the name of the implementation file for the new object's class. By default, this name is based on the name that you provide in Short name. Click the ellipsis button to save the file name to the location of your choice. The file is not saved to the selected location until you click Finish in the wizard.

    The wizard does not overwrite a file. If you select the name of an existing file, when you click Finish, the wizard prompts you to indicate whether the class implementation should be appended to the contents of the file. Click Yes to append the file; click No to return to the wizard and specify another file name.

  • Attributed
    Indicates whether the object uses attributes. If you are adding an object to an attributed ATL project, this option is selected and not available to change. That is, you can add only attributed objects to a project created with attribute support.

    You can add an attributed object only to an ATL project that uses attributes. If you select this option for an ATL project that does not have attribute support, the wizard prompts you to specify whether you want to add attribute support to the project.

    By default, any objects you add after you set this option are designated as attributed (the check box is selected). You can clear this box to add an object that does not use attributes.

    See Application Settings, ATL Project Wizard and Basic Mechanics of Attributes for more information.

COM

Provides information about the COM functionality for the object.

  • Coclass
    Sets the name of the component class that contains a list of interfaces supported by the object.

    Note

    If you create your project using attributes, or if you indicate on this wizard page that the control uses attributes, you cannot change this option because ATL does not include the coclass attribute.

  • Interface
    Sets the name of the interface for the object. By default an interface name is prepended with "I".

  • Type
    Sets the object description that will appear in the registry

  • ProgID
    Sets the name that containers can use instead of the CLSID of the object. This field is not automatically populated. If you do not manually populate this field, the control may not be available to other tools. For example, ActiveX controls that are generated without a ProgID are not available in the Insert ActiveX Control dialog box. For more information about the dialog box, see Insert ActiveX Control Dialog Box.

See Also

Tasks

Adding an ATL Control

Reference

Fundamentals of ATL COM Objects

Concepts

Adding Functionality to the Composite Control