# GetWindowModuleFileName

```csharp
[DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
public static extern uint GetWindowModuleFileName(
   IntPtr hwnd,
   [Out] StringBuilder lpszFileName,
   uint cchFileNameMax
);
```

Microsoft documentation: [Link](https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-getwindowmodulefilenamea)