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- ΓòÉΓòÉΓòÉ 1. Help for Workplace Class List ΓòÉΓòÉΓòÉ
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- The Workplace Class List is used to create a workplace object class, and an
- instance of a workplace object class.
-
- The primary window contains a list of the workplace object classes currently
- registered in the OS/2 Workplace Shell. Using this window, you can:
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- o Create an instance of a workplace object class
- o Replace a workplace object class
- o Unreplace a workplace object class
- o Add a workplace object class
- o Delete a workplace object class
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- ΓòÉΓòÉΓòÉ 1.1. Create an instance of a Workplace Object Class ΓòÉΓòÉΓòÉ
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- To create an instance of a workplace object class:
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- 1. Select the class from the list on the workplace object class window.
- 2. Display the pop-up menu by single-clicking mouse button 2.
- 3. Select the Create Instance choice.
- 4. Fill-in the following input fields:
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- Object Title
- is the text string you assign the object. The text string becomes the
- object title and appears under the object when the object is displayed on
- the Workplace Shell. When the object is in an opened state, the text
- string appears in the title bar of the window.
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- Class of new object
- is the name of the class of which the object you selected is a member.
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- Parameters
- is a series of keyname=value pairs (separated by semicolons) that change
- the behavior of the object. Each object class defines the keynames and
- parameters it expects to see. All parameters have safe defaults, so it is
- never required to pass parameters to an object.
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- Location
- is one of the following values:
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- o A real name specified by a fully qualified path name. For example:
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- C:\OS2\DLL
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- o A logical name specified by a predefined symbol. For example,
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- <WP_NOWHERE> The hidden folder.
- <WP_DESKTOP> The OS/2 desktop (Workplace).
- <WP_OS2SYS> The OS/2 system folder.
- <WP_TEMPS> The template folder.
- <WP_CONFIG> The system setup folder.
- <WP_START> The startup folder.
- <WP_INFO> The information folder.
- <WP_DRIVES> The drives folder.
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- Related Information:
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- o Replace a workplace object class
- o Unreplace a workplace object class
- o Add a workplace object class
- o Delete a workplace object class
-
-
- ΓòÉΓòÉΓòÉ 1.2. Replace a Workplace Object Class ΓòÉΓòÉΓòÉ
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- To replace an existing registered class:
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- 1. Select the class from the list on the workplace object class window.
- 2. Display the pop-up menu by single-clicking mouse button 2.
- 3. Select the Replace choice. Note that only classes that have already been
- registered are valid.
- 4. Fill-in the following input fields:
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- Original class
- is the name of the object class being replaced in the Workplace.
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- Replacement class
- if the name of the object class replacing the original class.
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- Note: The replacement class must be a descendant of the original class.
- Replacing an object class is useful for modifying the behavior of
- objects which are instances of the original class but are not aware of
- the replacement class.
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- Related Information:
-
- o Create an instance of a workplace object class
- o Unreplace a workplace object class
- o Add a workplace object class
- o Delete a workplace object class
-
-
- ΓòÉΓòÉΓòÉ 1.3. Unreplace a Workplace Object Class ΓòÉΓòÉΓòÉ
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- To return a replaced class to its original class:
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- 1. Select the replaced class from the list on the workplace object class
- window.
- 2. Display the pop-up menu by single-clicking mouse button 2.
- 3. Select the Unreplace choice. Note that only classes that have already been
- replaced are valid.
- 4. Fill-in the following input fields:
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- Original class
- is the name of the replaced object class being returned to its original
- object class in the Workplace.
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- Replacement class
- if the name of the replaced object class being returned to its original
- object class.
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- Related Information:
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- o Create an instance of a workplace object class
- o Replace a workplace object class
- o Add a workplace object class
- o Delete a workplace object class
-
-
- ΓòÉΓòÉΓòÉ 1.4. Adding a Workplace Object Class ΓòÉΓòÉΓòÉ
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- To add a class to the Workplace Shell:
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- 1. Display the pop-up menu by single-clicking mouse button 2.
- 2. Select the Add Class choice.
- 3. Fill-in the following input fields:
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- New class name
- is the name of object class you want to add to the Workplace. Type the
- class name exactly as it is built, case sensitive.
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- Library module
- is the name of the dynamic link library (DLL) that holds the object
- definition. Type the library name with complete file specification
- information.
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- Note: The DLL must be created by the IBM System Object Model.
-
-
- Related Information:
-
- o Create an instance of a workplace object class
- o Replace a workplace object class
- o Unreplace a workplace object class
- o Delete a workplace object class
-
-
- ΓòÉΓòÉΓòÉ 1.5. Delete a Workplace Object Class ΓòÉΓòÉΓòÉ
-
- To delete a class from the Workplace Shell:
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- 1. Select the class you want to delete from the list on the workplace object
- class window.
- 2. Display the pop-up menu by single-clicking mouse button 2.
- 3. Select the Delete a Class choice.
- 4. Fill-in the following input fields:
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- Name of class
- is the name of the class you want to delete from the Workplace.
-
- Note: You cannot delete system predefined classes. For example, WPObject
- or WPClass.
-
-
- Related Information:
-
- o Create an instance of a workplace object class
- o Replace a workplace object class
- o Unreplace a workplace object class
- o Add a workplace object class
-