Two other objects can be added to a button. One indicating the released state of the button
and one the pressed state.
The button supports the following child object types:
·
Numeric Field
·
String Field
·
Arched Bargraph
·
Linear Bargraph
·
Meter
·
List
·
Picture Graphic
·
Container
It is common to use String Fields or Picture Graphics for pressed and released objects.
Containers can be used to design more complex buttons while keeping the "one object for
pressed and one object for released state" constraint.
Note: If only one child is assigned it will be shown permanently on device whereas toggling
"Pressed State" on PC tool will show one state empty and the other with the child.
Attention: While it is technically possible, do not put a container inside of a button and
then another button inside the container. Such combinations are not supported or tested
and will most likely lead to unexpected behavior.
How to add the objects to a button:
·
Drop a button on a frame
·
Make sure that the "Pressed State" property of the button is disabled
·
Drag any supported object from the palette to the button in the designer area (or an
existing object from project tree to the button in project tree)
o The added object will now represent the release state of the button
·
Enable the property "Pressed State"
·
Drag any supported object from the palette to the button in the designer area (or an
existing object from project tree to the button in project tree)
o The added object will now represent the press state of the button
To assign another object to a button, follow the same steps above. A dialog will ask if the
pressed/released object shall be replaced.
Pressed / Released Image
Alternatively to putting one or two Picture Graphic objects into the button, these properties
can be used to add 1 or 2 images to the button without adding more objects.
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