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Editorial Team
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Asked: 2026-05-15T01:55:10+00:00

I’m trying to get a window handle on a child window in my process

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I’m trying to get a window handle on a child window in my process and the only information I have is the window class name. Are there any win32 functions I can use for that? I’m doing this from C#.

A bit more detail: This is a Visual Studio plugin, written in C#. So my process is visual studio, which has lots of windows. One of them has a window class “VsTipWindow”. I don’t know the immediate parent window of that window, all I have is the class name. Is there any way for me to get the window handle from just that?

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1 Answer

  1. Editorial Team

    First off it should be noted that there is not a 1 to 1 relationship between windows and window classes, more than one window could use the same class.

    I guess your only option is to call EnumChildWindows recursivly starting with the top level Visual Studio window (Or some other window higher in the window hierarchy if you know one that is a grandparent of the VsTipWindow window) In the callback function from EnumChildWindows you would call GetClassName and compare the string with VsTipWindow until you find the window.

    Since you talked about unknown parent I’m assuming that you are after a child window, but if this window is a top level window, you need to use EnumWindows (And you should probably use GetWindowThreadProcessId to make sure you get the correct process also after you find a window with that classname)

    (I’m sure .NET has functions that do the same thing as the native api, or you’d have to PInvoke)

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