MicrosoftDocs · Colin Robertson (colin-home) · Nov 25, 2019 · Dec 9, 2018
diff --git a/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4213.md b/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4213.md
@@ -13,7 +13,7 @@ With the default Microsoft extensions (/Ze), you can use casts on the left side
 
 ## Example
 
-```
+```c
 // C4213.c
 // compile with: /W4
 void *a;

diff --git a/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4214.md b/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4214.md
@@ -13,7 +13,7 @@ With the default Microsoft extensions (/Ze), bitfield structure members can be o
 
 ## Example
 
-```
+```c
 // C4214.c
 // compile with: /W4
 struct bitfields

diff --git a/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4220.md b/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4220.md
@@ -13,7 +13,7 @@ Under the default Microsoft extensions (/Ze), a pointer to a function matches a
 
 ## Example
 
-```
+```c
 // C4220.c
 // compile with: /W4
 

diff --git a/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4221.md b/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4221.md
@@ -13,7 +13,7 @@ With the default Microsoft extensions (/Ze), you can initialize an aggregate typ
 
 ## Example
 
-```
+```c
 // C4221.c
 // compile with: /W4
 struct S

diff --git a/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4232.md b/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4232.md
@@ -13,7 +13,7 @@ Under Microsoft extensions (/Ze), you can give a nonstatic value as the address
 
 The following sample generates C4232:
 
-```
+```c
 // C4232.c
 // compile with: /W4 /Ze /c
 int __declspec(dllimport) f();

diff --git a/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4234.md b/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4234.md
@@ -13,7 +13,7 @@ The compiler does not yet implement the keyword you used.
 
 This warning is automatically promoted to an error. If you wish to modify this behavior, use [#pragma warning](../../preprocessor/warning.md). For example, to make C4234 into a level 4 warning issue,
 
-```
+```cpp
 #pragma warning(2:4234)
 ```
 

diff --git a/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4235.md b/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4235.md
@@ -13,7 +13,7 @@ The compiler does not support the keyword you used.
 
 This warning is automatically promoted to an error. If you wish to modify this behavior, use [#pragma warning](../../preprocessor/warning.md). For example, to make C4235 into a level 2 warning, use the following line of code
 
-```
+```cpp
 #pragma warning(2:4235)
 ```
 

diff --git a/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4238.md b/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4238.md
@@ -13,7 +13,7 @@ For compatibility with previous versions of Visual C++, Microsoft extensions (**
 
 ## Example
 
-```
+```cpp
 // C4238.cpp
 // compile with: /W4 /c
 struct C {

diff --git a/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4239.md b/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4239.md
@@ -15,7 +15,7 @@ This type conversion is not allowed by the C++ standard, but it is permitted her
 
 The following sample generates C4239.
 
-```
+```cpp
 // C4239.cpp
 // compile with: /W4 /c
 struct C {
@@ -35,7 +35,7 @@ Conversion from integral type to enum type is not strictly allowed.
 
 The following sample generates C4239.
 
-```
+```cpp
 // C4239b.cpp
 // compile with: /W4 /c
 enum E { value };

diff --git a/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4242.md b/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4242.md
@@ -17,7 +17,7 @@ For additional information on C4242, see [Common Compiler Errors](/windows/win32
 
 The following sample generates C4242:
 
-```
+```cpp
 // C4242.cpp
 // compile with: /W4
 #pragma warning(4:4242)

diff --git a/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4245.md b/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4245.md
@@ -13,7 +13,7 @@ You tried to convert a signed **const** that has a negative value to an `unsigne
 
 The following sample generates C4245:
 
-```
+```cpp
 // C4245.cpp
 // compile with: /W4 /c
 const int i = -1;

diff --git a/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4254.md b/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4254.md
@@ -15,7 +15,7 @@ This warning is off by default. See [Compiler Warnings That Are Off by Default](
 
 The following sample generates C4254:
 
-```
+```cpp
 // C4254.cpp
 // compile with: /W4
 #pragma warning(default: 4254)

diff --git a/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4255.md b/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4255.md
@@ -15,7 +15,7 @@ This warning is off by default. See [Compiler Warnings That Are Off by Default](
 
 The following sample generates C4255:
 
-```
+```c
 // C4255.c
 // compile with: /W4 /WX
 #pragma warning (default : 4255)

diff --git a/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4256.md b/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4256.md
@@ -21,7 +21,7 @@ To fix this warning,
 
 The following sample generates C4256:
 
-```
+```cpp
 // C4256.cpp
 // compile with: /W4
 // #pragma warning(disable : 4256)

diff --git a/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4263.md b/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4263.md
@@ -15,7 +15,7 @@ This warning is off by default. See [Compiler Warnings That Are Off by Default](
 
 The following sample generates C4263:
 
-```
+```cpp
 // C4263.cpp
 // compile with: /W4
 #pragma warning(default:4263)

diff --git a/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4266.md b/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4266.md
@@ -15,7 +15,7 @@ This warning is off by default.  See [Compiler Warnings That Are Off by Default]
 
 The following sample generates C4266:
 
-```
+```cpp
 // C4266.cpp
 // compile with: /W4 /c
 #pragma warning (default : 4266)
@@ -32,7 +32,7 @@ class LocalBinding : private Engine {
 
 Possible resolution:
 
-```
+```cpp
 // C4266b.cpp
 // compile with: /W4 /c
 #pragma warning (default : 4266)

diff --git a/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4268.md b/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4268.md
@@ -13,7 +13,7 @@ A **const** global or static instance of a non-trivial class is initialized with
 
 ## Example
 
-```
+```cpp
 // C4268.cpp
 // compile with: /c /LD /W4
 class X {

diff --git a/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4289.md b/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4289.md
@@ -17,7 +17,7 @@ This warning is off by default. See [Compiler Warnings That Are Off by Default](
 
 The following sample generates C4289:
 
-```
+```cpp
 // C4289.cpp
 // compile with: /W4 /Zc:forScope-
 #pragma warning(default:4289)

diff --git a/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4296.md b/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4296.md
@@ -15,7 +15,7 @@ This warning is off by default. See [Compiler Warnings That Are Off by Default](
 
 The following sample generates C4296:
 
-```
+```cpp
 // C4296.cpp
 // compile with: /W4
 #pragma warning(default : 4296)

diff --git a/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4324.md b/docs/error-messages/compiler-warnings/compiler-warning-level-4-c4324.md
@@ -13,7 +13,7 @@ Padding was added at the end of a structure because you specified a [__declspec(
 
 For example, the following code generates C4324:
 
-```
+```cpp
 // C4324.cpp
 // compile with: /W4
 struct __declspec(align(32)) A
-Original file line number
+Diff line change
@@ Expand Up @@
     ## Example
-    ```
+    ```c
     // C4220.c
     // compile with: /W4
@@ Expand Down @@