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Editorial Team
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Asked: 2026-06-10T21:37:05+00:00

In my C# Winforms application, I have a tablelayoutpanel which will contain listboxes from

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In my C# Winforms application, I have a tablelayoutpanel which will contain listboxes from anywhere between 2 to 64. A user can double-click any items inside the Listbox, which then transfers the information of the item to a modaless window that was already opened.

My question is the following:

  1. How do I know which listbox the event has been called from?

  2. Is there a way to figure out which row/column the listbox is inside the tablelayoutpanel?

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1 Answer

  1. Editorial Team

    How do I know which listbox the event has been called from?

    void ListBox_SomeEvent(object sender, EventArgs e)
{
    var lb = (ListBox)sender;  // that's the one
}

    Is there a way to figure out which row/column the listbox is inside the tablelayoutpanel?

    That one I’m not so sure of as I haven’t worked much with that class. You can certainly get the bounding rectangle of the ListBox within its parent container, but I took a glance at the documentation for TableLayoutPanel and I didn’t see anything obvious (i.e., something like a Columns property).

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