C# and IL code for some example

gistfile1.cs

internal class Thing
{
   public string A { get; set; }
}

// C# Code
private static void M1(Thing thing)
{
   thing.A = thing.A + 10;
}
// IL Code
.method private hidebysig static 
	void M1 (
		class Test.Thing thing
	) cil managed 
{
	// Method begins at RVA 0x2072
	// Code size 27 (0x1b)
	.maxstack 8

	IL_0000: nop
	IL_0001: ldarg.0
	IL_0002: ldarg.0
	IL_0003: callvirt instance string Test.Thing::get_A()
	IL_0008: ldc.i4.s 10
	IL_000a: box [mscorlib]System.Int32
	IL_000f: call string [mscorlib]System.String::Concat(object, object)
	IL_0014: callvirt instance void Test.Thing::set_A(string)
	IL_0019: nop
	IL_001a: ret
} // end of method Program::M1




// C# Code
private static void M2(Thing thing)
{
   thing.A += 10;
}
// IL Code
.method private hidebysig static 
	void M2 (
		class Test.Thing thing
	) cil managed 
{
	// Method begins at RVA 0x208e
	// Code size 27 (0x1b)
	.maxstack 8

	IL_0000: nop
	IL_0001: ldarg.0
	IL_0002: dup
	IL_0003: callvirt instance string Test.Thing::get_A()
	IL_0008: ldc.i4.s 10
	IL_000a: box [mscorlib]System.Int32
	IL_000f: call string [mscorlib]System.String::Concat(object, object)
	IL_0014: callvirt instance void Test.Thing::set_A(string)
	IL_0019: nop
	IL_001a: ret
} // end of method Program::M2