messagePopup in EVENT_ACTIVE_CELL_CHANGE triggers another event active_cell_change

I want to display a simple messagepopup when the user selects a new cell in a table.

I use the table with the event_active_cell_change callback function.

But with the messagepopup in my code, the event "event_active_cell_change" function is triggered two times and thus the messagepopup is displayed twice.

If I remove just my messagepopup function code, all is well (event triggered just once).

No work around?

Thank you.

Cyrille

OK, so I guess it's because of the following:

(1) the user changes the current cell by clicking on it

(2) the reminder display the MessagePopup, because of the pop-up window there is no active cell more

(3) the popup is closed, so the cell is active again and the callback is called once

You can see this change in the color of the selected cell, it is made clear before and after the popup message, but not displaying the context menu.

So as a possible solution, you can use a Boolean variable that is toggled between 0 and 1: the part of your EVENT_ACTIVE_CELL_CHANGE callback is executed only if your scale is 0...

switch (event)

{
case EVENT_AVTIVE_CELL_CHANGE:
If (! toggle)

{

MessagePopup ("title", "message");

}

Toggle =! switch;

break;

}

Tags: NI Software

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