Chapter146:CLSCompliantAttribute

Section146.1:AccessModifiertowhichCLSrulesapply

usingSystem;

[assembly:CLSCompliant(true)]namespa

ceCLSDoc

{

publicclassCat

{

internalUInt16_age=0;

privateUInt16_daysTillVacination=0;

//WarningCS3003    Typeof’Cat.DaysTillVacination’isnotCLS-compliant

protectedUInt16DaysTillVacination

{

get{return_daysTillVacination;}

}

//Warning         CS3003       Typeof’Cat.Age’isnotCLS-compliant

publicUInt16Age

{get{return_age;}}

//validbehaviourbyCLS-compliantrules

publicintIncreaseAge()

{

intincreasedAge=(int)_age+1;

returnincreasedAge;

}

}

}

TherulesforCLScomplianceapplyonlytoapublic/protectedcomponents.

Section146.2:ViolationofCLSrule:Unsignedtypes/sbyte

usingSystem;

[assembly:CLSCompliant(true)]namespa

ceCLSDoc

{

publicclassCar

{

internalUInt16_yearOfCreation=0;

//WarningCS3008    Identifier’_numberOfDoors’isnotCLS-compliant

//WarningCS3003    Typeof’Car._numberOfDoors’isnotCLS-compliant

publicUInt32_numberOfDoors=0;

//Warning          CS3003       Typeof’Car.YearOfCreation’isnotCLS-compliant

publicUInt16YearOfCreation

{

get{return_yearOfCreation;}

}

//WarningCS3002     Returntypeof’Car.CalculateDistance()’isnotCLS-compliant

publicUInt64CalculateDistance()

{

return0;

}

//WarningCS3002     Returntypeof’Car.TestDummyUnsignedPointerMethod()’isnotCLS-compliant

publicUIntPtrTestDummyUnsignedPointerMethod()

{

int[]arr={1,2,3,4,5,6,7,8,9,10};

UIntPtrptr=(UIntPtr)arr[0];

returnptr;

}

//WarningCS3003     Typeof’Car.age’isnotCLS-compliant

publicsbyteage=120;

}

}

Section146.3:Violation ofCLS rule:Same naming

usingSystem;

[assembly:CLSCompliant(true)]names

paceCLSDoc

{

publicclassCar

{

//Warning CS3005 Identifier’Car.CALCULATEAge()’differingonlyincaseisnotCLS-

compliant

publicintCalculateAge()

{

return0;

}

publicintCALCULATEAge()

{

return0;

}

}

}

Visual Basic is not case sensitive

Section146.4:ViolationofCLSrule:Identifier_

usingSystem;

[assembly:CLSCompliant(true)]namespa

ceCLSDoc

{

publicclassCar

{

//WarningCS3008    Identifier’_age’isnotCLS-complian

publicint_age=0;

}

}

You can not start variablewith _

Section 146.5: Violation of CLS rule: Inherit from non CLSComplaint class

usingSystem;

[assembly:CLSCompliant(true)]namespa

ceCLSDoc

{

[CLSCompliant(false)]

publicclassAnimal

{

publicintage=0;

}

//Warning         CS3009       ‘Dog’:basetype’Animal’isnotCLS-compliant

publicclassDog:Animal

{

}

}