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Editorial Team
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Asked: 2026-05-15T11:48:28+00:00

I have main window with button open file. On clicking file selector dialog shows

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I have main window with button “open file”. On clicking file selector dialog shows up and then file is loaded. I would like to show progress dialog while loading the data. However when I call Run

dlg.Run();
load_data(); // not executed

the execution stops there (I have to close the dialog to load the data), if I call Show

dlg.Show();
load_data();

then loading is done, but the dialog does not show up.

So, how to show modal, progress dialog and in meantime load the data?

Note: this question is only about showing the progress dialog, NOT updating the progressbar widget.

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1 Answer

  1. Editorial Team

    Ok, I asked on gtk# mono newsgroup and thanks to Chris Howie I finally managed to accomplish the task.

    In short — because maybe someone will also fall into this:

    • you create a dialog
    • you create a task
    • in the newly created task you show the dialog, you do the computation (and refresh the dialog), and you destroy the dialog

    Because the dialog is modal you don’t even have to worry about waiting for the task to complete — it is already done by Gtk#.

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