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Asked: 2026-05-26T22:04:14+00:00

Can’t find any information about this. My controls are rendering extremely slow and I

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Can’t find any information about this. My controls are rendering extremely slow and I noticed I’m not calling SuspendLayout when doing major updates.

What I’m in doubt is, since the top level control contains controls which contain other controls and so on, will calling SuspendLayout on my top control also suspend layout for every nested control or do I need to call it for each of them?

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1 Answer

  1. Editorial Team

    Take a look at this MSDN article – Practical Tips For Boosting The Performance Of Windows Forms Apps.

    Text from article : Remember that SuspendLayout only prevents Layout
    events from being performed for that particular control. If controls
    are added to a panel, for example, SuspendLayout and ResumeLayout must
    be called for the panel and not for the parent form.

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