Tab control does not allow to reduce its size

[_Y_]

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@Yamaeda wrote:

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@_Y_ wrote:

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Does that catch everything, like decorations and stuff?

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Yes, it catches decorations

[diman27]

Hi Paul,

Your variant really works!

How I did it:

1. Switch to Page 2.

2. Place something on page, even decoration.

3. Disable Auto Grow

4. Delete placed object.

5. Enable Auto Grow.

[_Y_]

It does not work for me. LabVIEW 2021.0.1f2 (32-bit).

Really strange.

[MartijnG]

I encountered this same issue (using LabVIEW 2025 Q3). 

This is a simple way to reproduce it: Open a new VI, create a tab control. On the front panel, put some control object on one of the pages (I tried with another tab control, a numeric control, a boolean LED control, and with and XY graph. Right click on that item and select "fit control to pane", which changes the size of this control to the size of the window. The tab control is sized with it (because auto-grow in the Advanced menu of the tab control is enabled by default). Then undo the re-sizing of the control (press control-Z). The control goes back to its original size but the tab control stays large. 

The tab control can now no longer be dragged to a smaller size. 

Next: delete the control that was added to the tab control and observe that the tab control resizing is enabled again.

It seems to me that this might be a bug...

Martijn.