FbOpenDialog (FB)¶

FUNCTION_BLOCK FbOpenDialog EXTENDS FbExecuteSingleVisuActionBase

Handles the action open dialog

To use this function block in the programm set the according inputvalues and start the dialog open action with xExecute = TRUE.

The fb-instance should be declarated within a permanent setting, e.g. a GVL, and not within a temporary setting, e.g. a function. Therefore, the action will still be available, when called, later on.

InOut:

Scope	Name	Type	Initial	Comment	Inherited from
Input	xExecute	BOOL		Rising edge: Starts defined operation FALSE: Resets the defined operation after ready condition was reached	ETrig
Output	xDone	BOOL		TRUE: Ready condition reached	ETrig
	xBusy	BOOL		TRUE: Operation is running	ETrig
	xError	BOOL		TRUE: Error condition reached	ETrig
Input	itfClientFilter	IVisualizationClientFilter		With this filter, the clients, where the action should happen, are specified. Use standard filter from GVL Globals, e.g. VU.Globals.CurrentClient, or use a own implentation of the interface.	FbExecuteSingleVisuActionBase
Output	eError	ERROR			FbExecuteSingleVisuActionBase
Input	sDialogName	STRING		Mandatory value: name of the dialog
	xModal	BOOL	TRUE	Optional setting for dialog usage (modal or not modal). TRUE: modal: only input in the dialog is possible (defaultvalue) FALSE: not modal: usage of visu beneath dialog is possible, too.
	pTopLeftPosition	POINTER TO VisuStructPoint		Optional position to open: centered (default): use no input point on position X/Y: set values accordingly in the VisuStructPoint