PrF UG inst entry field symbol

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The Symbol Fields


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When an instance is created for a class with a slot of Value Type Symbol, the entry field corresponding to the slot is a Symbol entry field. It takes values from the list of symbols created for the slot.

Single Cardinality

The entry field corresponding to a slot of value type Symbol with Cardinality Single can contain a single value. It appears as a drop-down list:

Single Cardinality drop-down list
  • To create the value of the slot, click on the list and double-click to select your choice.

  • To change the value of the slot, make a different choice from the list.

  • To remove the value of the slot, select the blank value at the top of the list.

Multiple Cardinality

The entry field corresponding to a slot of value type Symbol with Cardinality Multiple shows a display list with three buttons. This field takes a list of symbol values. If the at most value is set in the Cardinality field for the slot, there is a limit on the number of values you can enter.

Multiple Cardinality display list

To edit a pre-existing value:

  1. Select the value you want to edit.

  2. Click the View Value (all_object.view) button. An Edit Symbol dialog box will be displayed.

  3. Select the value from the menu.

  4. Click OK.

To add a value:

  1. Click the Create Value (all_object.add) button. A Create Symbol dialog box will be displayed.

  2. Select the value from the menu.

  3. Click OK.

To remove a value:

  1. Select the value(s) you want to remove. You can select multiple values by holding down the Ctrl key.

  2. Click the Remove Value (all_object.remove) button. The selected values will be removed.


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