L-force | plc designer – Lenze PLC Designer PLC Designer (R3-1) User Manual

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L-force | PLC Designer

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DMS 4.1 EN 03/2011 TD29



Program PLC_PRG:

PROGRAM PLC_PRG
VAR_INPUT
stInfo : STRING;
END_VAR
VAR
inst : POU;
bFirst : BOOL := TRUE;
END_VAR

IF bFirst THEN
bFirst := FALSE;
VisuElems.Visu_Globals.g_VisuEventManager.SetKeyEventHandler(inst);
END_IF

This allows to get notification when a key event is released.

Function block POU:

FUNCTION_BLOCK POU IMPLEMENTS VisuElems.IKeyEventHandler
(no further declarations, no implementation code)