From 63b411f0b73b37782d280697c7a5bb597a901553 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Tue, 27 May 2025 06:59:12 +0000
Subject: [PATCH 1/4] Initial plan for issue


From 0335a66df0ed886ca883db4e891702b467f84573 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Tue, 27 May 2025 07:02:55 +0000
Subject: [PATCH 2/4] Update CS0193 error message documentation for function
 pointers

Co-authored-by: yufeih <511355+yufeih@users.noreply.github.com>
---
 docs/csharp/misc/cs0193.md | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

diff --git a/docs/csharp/misc/cs0193.md b/docs/csharp/misc/cs0193.md
index 40d5db085dcbf..d50d12af1fe75 100644
--- a/docs/csharp/misc/cs0193.md
+++ b/docs/csharp/misc/cs0193.md
@@ -1,7 +1,7 @@
 ---
 description: "Compiler Error CS0193"
 title: "Compiler Error CS0193"
-ms.date: 07/20/2015
+ms.date: 05/27/2023
 f1_keywords: 
   - "CS0193"
 helpviewer_keywords: 
@@ -10,9 +10,9 @@ ms.assetid: 7b60fd99-9eee-4d61-ad75-585a16e22e96
 ---
 # Compiler Error CS0193
 
-The \* or -> operator must be applied to a pointer  
+The \* or -> operator must be applied to a data pointer  
   
-The \* or -> operator was used with a nonpointer type. For more information, see [Pointer types](../language-reference/unsafe-code.md#pointer-types).  
+The \* or -> operator was used with a nonpointer type or with a function pointer. Function pointers cannot be dereferenced in C#. For more information, see [Pointer types](../language-reference/unsafe-code.md#pointer-types).  
   
  The following sample generates CS0193:  
   
@@ -45,3 +45,19 @@ public class MyClass
    }  
 }  
 ```
+
+The following example shows that function pointers cannot be dereferenced in C#, unlike in C/C++:
+
+```csharp
+unsafe class FunctionPointerExample
+{
+    public static void Log() { /* ... */ }
+    
+    public static void Example()
+    {
+        delegate*<void> fp = &Log;   // pointer to managed function Log()
+        fp();                        // OK; call Log() via function pointer
+        (*fp)();                     // Error; CS0193, function pointers cannot be dereferenced
+    }
+}
+```

From 10058e11c54479eca5915ca1167a48873e3fdc92 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Tue, 27 May 2025 07:03:48 +0000
Subject: [PATCH 3/4] Refine CS0193 documentation with additional unsafe
 context and links

Co-authored-by: yufeih <511355+yufeih@users.noreply.github.com>
---
 docs/csharp/misc/cs0193.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/csharp/misc/cs0193.md b/docs/csharp/misc/cs0193.md
index d50d12af1fe75..465d623de7d05 100644
--- a/docs/csharp/misc/cs0193.md
+++ b/docs/csharp/misc/cs0193.md
@@ -12,7 +12,7 @@ ms.assetid: 7b60fd99-9eee-4d61-ad75-585a16e22e96
 
 The \* or -> operator must be applied to a data pointer  
   
-The \* or -> operator was used with a nonpointer type or with a function pointer. Function pointers cannot be dereferenced in C#. For more information, see [Pointer types](../language-reference/unsafe-code.md#pointer-types).  
+The \* or -> operator was used with a nonpointer type or with a function pointer. Function pointers cannot be dereferenced in C#. For more information, see [Pointer types](../language-reference/unsafe-code.md#pointer-types) and [Function pointers](../language-reference/unsafe-code.md#function-pointers).  
   
  The following sample generates CS0193:  
   
@@ -53,7 +53,7 @@ unsafe class FunctionPointerExample
 {
     public static void Log() { /* ... */ }
     
-    public static void Example()
+    public static unsafe void Example()
     {
         delegate*<void> fp = &Log;   // pointer to managed function Log()
         fp();                        // OK; call Log() via function pointer

From 957ce08594cbe79c5c30d5c2c51a4b205c0278ff Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Tue, 27 May 2025 13:51:07 +0000
Subject: [PATCH 4/4] Update ms.date to 05/27/2025 as requested

Co-authored-by: BillWagner <493969+BillWagner@users.noreply.github.com>
---
 docs/csharp/misc/cs0193.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/csharp/misc/cs0193.md b/docs/csharp/misc/cs0193.md
index 465d623de7d05..dcc7673c4ba1d 100644
--- a/docs/csharp/misc/cs0193.md
+++ b/docs/csharp/misc/cs0193.md
@@ -1,7 +1,7 @@
 ---
 description: "Compiler Error CS0193"
 title: "Compiler Error CS0193"
-ms.date: 05/27/2023
+ms.date: 05/27/2025
 f1_keywords: 
   - "CS0193"
 helpviewer_keywords: