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Home/ Questions/Q 742061
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Editorial Team
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Editorial Team
Asked: May 14, 20262026-05-14T08:42:17+00:00 2026-05-14T08:42:17+00:00

I want to open files, which are doubleclicked in Explorer, in the same instance

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I want to open files, which are doubleclicked in Explorer, in the same instance of my .Net application, e.g. in a new tab. How can I do this?

For now each file starts new instance of my application. Many programs can open files in the same instance, for example, Opera and Notepad++, so there is an easy way for sure.

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  1. Editorial Team
    Editorial Team
    2026-05-14T08:42:17+00:00Added an answer on May 14, 2026 at 8:42 am

    You may take a look at this post which illustrates a technique that could be used to have a single instance WinForms application.

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