Forms & controls - TrendChart: Marker cannot be moved

What happens?
In the TrendChart control element, the slider shall be used by means of the "Marker" property to display values via the TrendLegend control element.
The slider in the TrendChart control element can, however, not be moved on a Lenze p500/p300 at runtime.

EN 6.5.3 Slider geht nicht im Trendchart.png
When does this behaviour occur?
On a Windows CE panel, the slider cannot be moved at runtime if the "VariableActivationMode" property of the form is set to "ActivateOnShow".
In the emulator, the function works properly, the slider can be moved if "ActivateOnShow" is selected.

Which products are affected?
VisiWinNET 6.5.3

Short-term measures:
Set the "VariableActivationMode" property of the form to "LoadOnStartUp".

Evaluation/recommendations:
When using the slider in the TrendChart control element, set the "VariableActivationMode" property of the form to "LoadOnStartUp".

URL for linking this AKB article: /en-de/go/akb/201500537/1/