Make a Panel disappear and appear again

Hi Team
I have a frame with Grid Layout where I have 3 Panels - P1, P2 and P3. I want that on the click on a button "+" P2 should disappear and P1 and P2 should align together. Again when the user click "-" button, P2 panel should appear again in its place between P1 and P3.
The problem with the visible(false) method is that it makes P2 Panel disappear but the space between P1 and P3 panels is still there.
Could anybody help me with this trivial issue
Thanks,
Mo

user13019661 wrote:
Hi Team
I have a frame with Grid Layout where I have 3 Panels - P1, P2 and P3. I want that on the click on a button "+" P2 should disappear and P1 and P2 should align together. Again when the user click "-" button, P2 panel should appear again in its place between P1 and P3.
The problem with the visible(false) method is that it makes P2 Panel disappear but the space between P1 and P3 panels is still there.
Could anybody help me with this trivial issue
Thanks,
MoIn stead of making the panel invisible, remove it from the frame and trigger the frame to layout again (for example by calling pack() or revalidate()).

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