---
title: "SetFakeActiveWindow Function - WPF unmanaged API reference"
titleSuffix: ""
ms.date: "03/30/2017"
dev_langs: 
  - "cpp"
api_name: 
  - "SetFakeActiveWindow"
api_location: 
  - "PresentationHost_v0400.dll"
ms.assetid: a69118be-63b0-445c-9fb6-ab8cc958e531
---
# SetFakeActiveWindow Function (WPF Unmanaged API Reference)
This API supports the Windows Presentation Foundation (WPF) infrastructure and is not intended to be used directly from your code.  
  
 Used by the Windows Presentation Foundation (WPF) infrastructure for windows management.  
  
## Syntax  
  
```cpp  
void __stdcall SetFakeActiveWindow(  
   HWND hwnd  
)  
```  
  
## Parameters  
 hwnd  
 A window handle.  
  
## Requirements  
 **Platforms:** See [.NET Framework System Requirements](/dotnet/framework/get-started/system-requirements).  
  
 **DLL:** PresentationHost_v0400.dll  
  
 **.NET Framework Version:** [!INCLUDE[net_current_v40plus](../../../includes/net-current-v40plus-md.md)]  
  
## See also

- [WPF Unmanaged API Reference](wpf-unmanaged-api-reference.md)