Merge pull request MicrosoftDocs#1705 from NextTurn/cpp-8

Add language identifiers

Author: Colin Robertson

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4615.md

@@ -13,7 +13,7 @@ An invalid warning specifier was used with **pragma** [warning](../../preprocess
 
 The following sample generates C4615:
 
-```
+```cpp
 // C4615.cpp
 // compile with: /W1 /LD
 #pragma warning(enable : 4401)   // C4615, 'enable' not valid specifier

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4616.md

@@ -13,7 +13,7 @@ The warning number specified in the [warning](../../preprocessor/warning.md) pra
 
 The following sample generates C4616:
 
-```
+```cpp
 // C4616.cpp
 // compile with: /W1 /c
 #pragma warning( disable : 0 )   // C4616

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4618.md

@@ -15,7 +15,7 @@ The pragma was processed without the argument.
 
 The following sample generates C4618:
 
-```
+```cpp
 // C4618.cpp
 // compile with: /W1 /LD
 #pragma code_seg("")   // C4618

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4620.md

@@ -13,7 +13,7 @@ There is no postfix increment operator defined for the given type. The compiler
 
 This warning can be avoided by defining a postfix `++` operator. Create a two-argument version of the `++` operator as shown here:
 
-```
+```cpp
 // C4620.cpp
 // compile with: /W1
 class A

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4621.md

@@ -13,7 +13,7 @@ There was no postfix decrement operator defined for the given type. The compiler
 
 This warning can be avoided by defining a postfix `--` operator. Create a two-argument version of the `--` operator as shown below:
 
-```
+```cpp
 // C4621.cpp
 // compile with: /W1
 class A

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4624.md

@@ -13,7 +13,7 @@ A destructor was not accessible or deleted in a base class and was therefore not
 
 The following sample generates C4624 and shows how to fix it:
 
-```
+```cpp
 // C4624.cpp
 // compile with: /W1 /c
 class B {

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4628.md

@@ -15,7 +15,7 @@ This warning is off by default. See [Compiler Warnings That Are Off by Default](
 
 The following sample generates C4628:
 
-```
+```cpp
 // C4628.cpp
 // compile with: /WX
 #pragma warning(default : 4628)

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4630.md

@@ -11,7 +11,7 @@ ms.assetid: d8926376-7acc-4fc7-8438-6f0de3468870
 
 A data member or member function is defined as `extern`. Members cannot be external, although entire objects can. The compiler ignores the `extern` keyword. The following sample generates C4630:
 
-```
+```cpp
 // C4630.cpp
 // compile with: /W1 /LD
 class A {

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4632.md

@@ -13,7 +13,7 @@ The path to .xdc file (`file`) was not valid, and no .xdc file created.
 
 The following sample generates C4632:
 
-```
+```cpp
 // C4632.cpp
 // compile with: /clr /docv:\\falsedir /LD /W1
 // C4632 expected

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4659.md

@@ -11,7 +11,7 @@ ms.assetid: e29ba8db-7917-43f6-8e34-868b752279ae
 
 The .drectve option was used to pass an option to the linker. Instead use pragma [comment](../../preprocessor/comment-c-cpp.md) for passing a linker option.
 
-```
+```cpp
 // C4659.cpp
 // compile with: /W1 /LD
 #pragma code_seg(".drectve")   // C4659

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4661.md

@@ -13,7 +13,7 @@ A member of the template class is not defined.
 
 ## Example
 
-```
+```cpp
 // C4661.cpp
 // compile with: /W1 /LD
 template<class T> class MyClass {

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4662.md

@@ -13,7 +13,7 @@ The specified template-class was declared, but not defined.
 
 ## Example
 
-```
+```cpp
 // C4662.cpp
 // compile with: /W1 /LD
 template<class T, int i> class MyClass; // no definition

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4667.md

@@ -13,7 +13,7 @@ You cannot instantiate a function template that has not been declared.
 
 The following sample will cause C4667:
 
-```
+```cpp
 // C4667a.cpp
 // compile with: /LD /W1
 template
@@ -22,7 +22,7 @@ void max(const int &, const int &); // C4667 expected
 
 To avoid this warning, first declare the function template:
 
-```
+```cpp
 // C4667b.cpp
 // compile with: /LD
 // Declare the function template

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4669.md

@@ -13,7 +13,7 @@ A cast contains a Windows Runtime or managed type. The compiler completes the ca
 
 The following sample generates C4669 and shows how to fix it:
 
-```
+```cpp
 // C4669.cpp
 // compile with: /clr /W1
 ref struct A {

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4674.md

@@ -15,7 +15,7 @@ The signature of a conversion operator was not correct. The method is not consid
 
 The following sample generates C4674.
 
-```
+```cpp
 // C4674.cpp
 // compile with: /clr /WX /W1 /LD
 ref class G {

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4677.md

@@ -15,7 +15,7 @@ A type that has public accessibility outside the assembly uses a type that has p
 
 The following sample generates C4677.
 
-```
+```cpp
 // C4677.cpp
 // compile with: /clr /c /W1
 delegate void TestDel();

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4684.md

@@ -13,7 +13,7 @@ You used an attribute that should not commonly be used.
 
 The following sample generates C4684:
 
-```
+```cpp
 // C4684.cpp
 // compile with: /W1 /LD
 [module(name="xx")]; // C4684 expected

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4688.md

@@ -15,7 +15,7 @@ A constraint list has an assembly private type, meaning it will not be available
 
 The following sample generates C4688.
 
-```
+```cpp
 // C4688.cpp
 // compile with: /clr /c /W1
 ref struct A {};   // private type

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4691.md

@@ -19,7 +19,7 @@ However, unexpected behavior can occur if the compiler uses a definition that is
 
 This sample contains the original type definition.
 
-```
+```cpp
 // C4691_a.cpp
 // compile with: /clr /LD /W1
 public ref class Original_Type {};
@@ -29,7 +29,7 @@ public ref class Original_Type {};
 
 This sample references C4691_a.dll and declares a field of type Original_Type.
 
-```
+```cpp
 // C4691_b.cpp
 // compile with: /clr /LD
 #using "C4691_a.dll"
@@ -45,7 +45,7 @@ The following sample generates C4691.  Notice this sample contains a definition
 
 To resolve, reference the metadata file that contains the original type definition and remove the local declaration and definition.
 
-```
+```cpp
 // C4691_c.cpp
 // compile with: /clr /LD /W1
 // C4691 expected

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4692.md

@@ -19,7 +19,7 @@ This warning is off by default. For more information, see [Compiler Warnings Tha
 
 The following sample generates C4692.
 
-```
+```cpp
 // C4692.cpp
 // compile with: /W1 /c /clr
 #pragma warning(default:4692)