
| Type | Description | |||
| Key as String | A String expression that indicates the key of the picture being added or replaced. If the Key property is Empty string, the entire collection of pictures is cleared. | |||
| Variant |
The HTMLPicture specifies the picture being associated to a key. It can be one
of the followings:
If empty, the picture being associated to a key is removed. If the key already exists the new picture is replaced. If the key is not empty, and it doesn't not exist a new picture is added. |
By default, the control loads the following predefined pictures:
,
which is usually displayed on the sub-items portion of the control, while
there is any child-items or a custom control attached.
,
which is usually displayed on the parent portion of the control, when the
control is collapsed .
, which is
usually displayed on the parent portion of the control, when the control
is expanded.