Files
docs-desktop/dotnet-desktop-guide/framework/wpf/advanced/activate-function-wpf-unmanaged-api-reference.md
T
Andy De George da363692ff Initial WPF content migrated (#17)
* Reset branch for WPF changes

* Convert BMP to PNG; fix link-out-of-scope err

* Add snippets for WPF... 6794 files!!!!

* Add missing snippets

* update file updated between migration

* Fix paths to include

* update breadcrumb and toc

* fix index links

* fix index links

* fix index links

* fix markdown
2020-09-04 09:46:28 -07:00

52 lines
1.3 KiB
Markdown

---
title: "Activate Function - WPF unmanaged API reference"
titleSuffix: ""
ms.date: "03/30/2017"
dev_langs:
- "cpp"
api_name:
- "Activate"
api_location:
- "PresentationHost_v0400.dll"
ms.assetid: 1400329c-b598-465f-80f2-e3dabf044811
---
# Activate 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 Activate(
const ActivateParameters* pParameters,
__deref_out_ecount(1) LPUNKNOWN* ppInner,
);
```
## Parameters
`pParameters`\
A pointer to the window's activation parameters.
`ppInner`\
A pointer to the address of a single-element buffer that contains a pointer to an <xref:Microsoft.VisualStudio.OLE.Interop.IOleDocument> object.
## Requirements
**Platforms:** See [.NET Framework System Requirements](/dotnet/framework/get-started/system-requirements).
**DLL:**
In the .NET Framework 3.0 and 3.5: PresentationHostDLL.dll
In the .NET Framework 4 and later: PresentationHost_v0400.dll
**.NET Framework Version:** [!INCLUDE[net_current_v30plus](../../../includes/net-current-v30plus-md.md)]
## See also
- [WPF Unmanaged API Reference](wpf-unmanaged-api-reference.md)