Dialog list field

List fields are used to select a combination of items from a long
list of available options. This is how you handle them:

	The edit box displays a list of abbreviations that reflect the options currently selected in the list box. The abbreviations are the same as those you would use to specify the options in a macro. You can make selections by directly editing the text in the edit box: as soon as the edit box contains a valid list, the selections in the list box will change accordingly. The list displayed in the edit box will be added to the top of the history list when you press Ok to execute the command.
	The list box shows all available options. You can select any combination of options in the same way as you do in Windows' File Open dialog. Click an item with the mouse to select it and deselect all other items, Ctrl-click an item to toggle its selection state without affecting other items. Use the arrow keys to move the cursor and the space bar to de/select items. As you select and deselect options, the text in the edit box changes automatically to reflect your choices.
	Use the down arrow button to open the field's drop down history list and reuse one of your most recently specified values.