Posts by Lincoln Garcez • 11 points

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  A: How to open only one form even by multiple clicking C#

  Check instance. If it exists, bring forward and maximize. if (Application.OpenForms.OfType<Form1>().Count() > 0) { Application.OpenForms["Form1"].BringToFront();…

  c# windows

  answered 4 years ago Lincoln Garcez 11