The buttonType property specifies what type of button the part represents. The following choices are available:

Creates a button that represents a boolean value. Selecting the button toggles the set value.

Creates a tool bar button that behaves like a normal push button.

Creates a button that indicates a selected state. A radio button group is a set of tool bar buttons with buttonType set to XmRADIOBUTTON that are laid out contiguously on the tool bar. Selecting a particular radio button toggles the set value. To toggle the value back, the user selects another button in the Radio button group.

For more information on the dragDropSpec attribute, refer to Using the dragDropSpec attribute

The enabled property specifies whether or not the part is available for selection. If true, the part's contents are available for selection.

The graphicsDescriptor property is an icon, bitmap, or image that is used instead of text for the label. The labelType property must be XmPIXMAP or the graphicsDescriptor property is ignored.

The helpFile property is the name of the help file associated with the part.

The helpKeysId property is the ID of the keys help associated with the part. The ID can be a string or an integer value.

The ID must exist in the help file associated with the part.

The helpTitle property is the title of the help window associated with the part.

The helpTopicId property is the ID of the help topic associated with the part. The ID can be a string or an integer value.

The ID must exist in the help file associated with the part.

The labelString property is the label of the part in string form.

For example, to dynamically display the string format of a number value, do the following:

The partName property specifies the name you want to use to describe the part. For nonvisual parts, this text appears under the icon for the part on the free-form surface.

The name of the part can consist of alphanumeric characters, and must be different from those of all other parts on the layout surface.

If you do not specify a part name, VA Smalltalk generates a unique name based on the class name of the part.

The set property indicates whether the button is in its selected state (grayed). If this property is set to false, the button is deselected. This property is used only if the buttonType property is set to XmCHECKBUTTON or XmRADIOBUTTON.

The toolTipText property specifies the text that is displayed when the mouse pointer is positioned over the control. This is similar to the hover help capability supplied by other VA Smalltalk parts.