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: "IEnumRAWINPUTDEVIC:Next"
+ms.date: "03/30/2017"
+helpviewer_keywords: 
+  - "Next method [WPF]"
+ms.assetid: 3698b44d-510e-4d18-b32b-85f17188ee26
+---
+# IEnumRAWINPUTDEVIC:Next
+Enumerates the next `celt` [RAWINPUTDEVICE](/windows/desktop/api/winuser/ns-winuser-rawinputdevice) structures in the enumerator's list, returning them in `rgelt` along with the actual number of enumerated elements in `pceltFetched`.  
+  
+## Syntax  
+  
+```cpp  
+HRESULT Next(  
+      [in] ULONG celt,  
+      [out, size_is(celt), length_is(*pceltFetched)] RAWINPUTDEVICE *rgelt,  
+      [out] ULONG *pceltFetched);  
+```  
+  
+## Parameters  
+ `celt`  
+  
+ [in] Number of [RAWINPUTDEVICE](/windows/desktop/api/winuser/ns-winuser-rawinputdevice) structures returned in `rgelt`.  
+  
+ `rgelt`  
+  
+ [out] Array of size celt (or larger) to receive enumerated RAWINPUTDEVICE structures.  
+  
+ `pceltFetched`  
+  
+ [out] Pointer to the number of elements actually supplied in `rgelt`. Caller can pass in `NULL` if `rgelt` is one.  
+  
+## Property Value/Return Value  
+ HRESULT: S_OK if the number of elements supplied is `celt`; S_FALSE otherwise.