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How to add gallery items at run time

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Posted on by Radhika123

I have a vertical gallery_1 with 20 items , and those items will come when checkbox is checked in gallery_2 .I need them to automatically adjust, means when checked ,I need the items keep shifting left , so that no gaps between the items.

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BCBuizer 22,654 Super User 2026 Season 1 on at

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Hi @Radhika123 ,

I'd say to:

1. collect the item in the OnCheck property of the checkbox.

2. The resulting collection can then be used as the Items property of Gallery_2.

3. To remove the items from Gallery_1, a filter need to be added to the Items property to filter out those items that are in the collection.

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Radhika123 59 on at

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Thanks @BCBuizer for your reply.
But the items in gallery_2 are column names.
Thanks for your reply.But the items in gallery_2 are column names.

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BCBuizer 22,654 Super User 2026 Season 1 on at

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HI @Radhika123 ,

So you want to show certain controls in Gallery_1, based on the selected columns in Gallery_2? And the issue is that the controls are showing up, but not moving to the left in case a previous column is not selected?

For that you'll have to play with the X property values of the controls in Gallery_1. Lowering that value will move the control to the left.

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Radhika123 59 on at

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Hi @BCBuizer
What is the meaning of lowering the value.shall I have to create a variable for that ?
Sorry I'm new to this power apps.
Thanks.

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BCBuizer 22,654 Super User 2026 Season 1 on at

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Hi @Radhika123 ,

The X property has a numerical value which corresponds with the position of the top left of the control on the X-axis of it's context.

For instance, if you have a label in a screen with its' X property set to 0, this will make the lable show up all the way on the left. When raising the value to, let's say 200, it will move 200px to the right.ű

If you enter a formula for the X property, you can make this dynamic. Let's say you have 3 labels (LeftLabel, MiddleLabel and RightLabel) next to each other and you the visible labels to line up to the left when any of them is made invisible:

1. set the X property of MiddleLabel to:

LeftLabel.X + If(LeftLabel.Visible,LeftLabel.Width,0)

2. set the X property of RightLabel to:

MiddleLabel.X + If(MiddleLabel.Visible,MiddleLabel.Width,0)

Of course you can play around with this a bit more to include more controls or the add padding between the controls.

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