Control tooltip on a panel overlapped by another panel.

I have asked this question before but I try again.
Is there any workaround so that the tooltip can be displayed when the location where the tooltip normaly displays is overlapped by another panel ?
Could I control the position to either left/right instead of below ?
Solved!
Go to Solution.

I'm not sure I completely understand the premise of the question. While it's true that the position of the tooltips cannot be controlled, I'm having a hard time understanding how the tooltips could be overlapped by something else, given that they are floating windows, as Wolfgang pointed out.
I considered the possibility that you meant "overlapped by another child panel" or "overlapped by another too-level panel". If the tooltip was going to be covered by a child panel, it should definitely display above that panel:
(In these screenshots, "Text Message" is the control with the tooltip).
If you meant a top-level panel, then this is a bit trickier to reproduce, since in order for the tooltip to trigger, the panel that holds the control with the tooltip must be the active panel. Therefore, the only way that another top-level panel could overlap that region would be if the other panel was floating. In that case, you have two floating windows. But when I tested it, the tooltip was still on top (I guess because it was created last):
So, I'm not sure how you were able to cover up a tooltip. Could you maybe post a screenshot, so that I can understand it better?
Thanks,
Luis

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Attachments:
Untitled.png ‏40 KB

I'm not sure I completely understand the premise of the question. While it's true that the position of the tooltips cannot be controlled, I'm having a hard time understanding how the tooltips could be overlapped by something else, given that they are floating windows, as Wolfgang pointed out.
I considered the possibility that you meant "overlapped by another child panel" or "overlapped by another too-level panel". If the tooltip was going to be covered by a child panel, it should definitely display above that panel:
(In these screenshots, "Text Message" is the control with the tooltip).
If you meant a top-level panel, then this is a bit trickier to reproduce, since in order for the tooltip to trigger, the panel that holds the control with the tooltip must be the active panel. Therefore, the only way that another top-level panel could overlap that region would be if the other panel was floating. In that case, you have two floating windows. But when I tested it, the tooltip was still on top (I guess because it was created last):
So, I'm not sure how you were able to cover up a tooltip. Could you maybe post a screenshot, so that I can understand it better?
Thanks,
Luis

Problem updating a control on one panel based on a value change in another control on a different panel

Hi,
I am trying to update the value of a control on one panel when the value of another control on a different panel is changed. The two panels are saved in two different .uir files, so there are two associated .h files generated by CVI. The problem is that, inside the callback function for the control that is being modified (Ctrl_Id_A on Panel_A), when I call SetCtrlVal(Panel_B, Ctrl_Id_B, Value); 'Panel_B' and 'Ctrl_Id_B' (which have the same numeric values as Panel_A = 1 and Ctrl_Id_A = 2 in their respective .h files) are being interpreted as Panel_A and Ctrl_Id_A. I never understood how CVI makes this distinction, eg. knowing which of PANEL_A = 1 and PANEL_B = 1 is being referred to, but didn't worry about it since I never needed cross-communication between panels until now. Any help on how to implement this would be greatly appreciated. Thanks!
Solved!
Go to Solution.

This is a basic issue on which you can find tons of forum posts
The online help for the function recitates:
int SetCtrlVal (int panelHandle, int controlID, ...);
Parameters
Input
Name
Type
Description
panelHandle
int
Specifier for a particular panel that is currently in memory. You obtain this
handle from LoadPanel, NewPanel, or DuplicatePanel.
controlID
int
The defined constant, located in the .uir header file, that you assigned to the control in the User Interface Editor, or the ID returned by NewCtrl or DuplicateCtrl.
value
New value of the control. The data type of value must match the data type of the control.
That is, you must not use the panel constant name in the first parameter of SetCtrlVal, use the panel handle instead. The system guarantees that all panel handles are unique throughout the whole application whichever is the number of panels used in every moment.
int SetCtrlVal (int panelHandle, int controlID, ...);
Purpose
Sets the value of a control to a value you specify.
When you call SetCtrlVal on a list box or a ring control, SetCtrlVal
sets the current list item to the first item that has the value you
specify. To set the current list item through a zero-based index, use SetCtrlIndex.
When you call SetCtrlVal on a text box, SetCtrlVal appends value to the contents of the text box and scrolls the text box to display value. Use ResetTextBox to replace the contents of the text box with value.
Note This function updates the displayed value immediately. Use SetCtrlAttribute with ATTR_CTRL_VAL to set the control value without immediately updating the displayed value. For this reason, SetCtrlAttribute with ATTR_CTRL_VAL is generally faster than SetCtrlVal. However, if the control in which you are setting the value is the active control in the panel, SetCtrlAttribute with ATTR_CTRL_VAL displays the value immediately.
Note This function is not valid for graph and strip chart controls.
Parameters
Input
Name
Type
Description
panelHandle
int
Specifier for a particular panel that is currently in memory. You obtain this
handle from LoadPanel, NewPanel, or DuplicatePanel.
controlID
int
The defined constant, located in the .uir header file, that you assigned to the control in the User Interface Editor, or the ID returned by NewCtrl or DuplicateCtrl.
value
New value of the control. The data type of value must match the data type of the control.
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> How can I get a reference to all controls on a front panel of one type
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>
> I'd like to set the strings[] property of all the Text Ring controls
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Solved!
Go to Solution.
Attachments:
Event lock problem.vi ‏22 KB

Hi, RealBjörkis !
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Attachments:
Event lock problem.vi ‏23 KB

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Solved!
Go to Solution.

What is your LabVIEW version?
Front panels that are not shown are typically not updated and might not even be loaded into memory.
The presence of certain code elements (e.g. property nodes) often forces the front panel to be in memory even if it is not shown, but I haven't studied it in a long time so there might be subtleties. Maybe somebody from NI can give more details.
If it does not work unles the FP is open, open the front panel minimized to avoid distraction.
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LabVIEW Champion . Do more with less code and in less time .

Control tooltip on a panel overlapped by another panel.

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