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Editorial Team
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Asked: 2026-05-25T03:16:31+00:00

In windows form on click on Next I need to display other form and

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In windows form on click on Next I need to display other form and start some processing. Am coding in .Net C#

The problem is before the form is complete visible, the method gets triggered and the processing starts and the UI looks like it crashed. Processing started even before controls are loaded. and once processing is done all controls are visible.
enter image description here
The actual output must be all controls should be loaded and then processing must start.
enter image description here

I need to call the method to start processing after the form (user control) is visible and is loaded completely.

I tried this and this, but no luck.

Added code:

private void FeatureRemovalControl_Load(object sender, EventArgs e)
{
    pictureBox2.Image = Properties.Resources.line;
    prgbar.Value = 0;
    //code to load images and some other stuff
    StratProcess();
}
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1 Answer

  1. Editorial Team

    You’re calling StartProcess (which seems to block until it’s finished) from your UI thread. Because WinForms repaints occur on that thread, nothing is painted, and it appears that your process has hung. You should look at using a BackgroundWorker, or other way to call StartProcess asynchronously.

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