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
2026-09-04 09:06:04 +02:00 · 2020-09-04 09:46:28 -07:00
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+---
+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)