Actually there is no performance penalty using property vs using public
field
Enclosed is my example of il code produced first using property, and next
using public variable.
Regards
Daniel
// using property
.method private hidebysig static void Main(string[] args) cil managed
{
.entrypoint
.custom instance void [mscorlib]System.STAThreadAttribute::.ctor() = ( 01
00 00 00 )
// Code size 30 (0x1e)
.maxstack 2
.locals init ([0] class ConsoleApplication10.Class1 c)
IL_0000: newobj instance void ConsoleApplication10.Class1::.ctor()
IL_0005: stloc.0
IL_0006: ldloc.0
IL_0007: ldstr "hello world"
IL_000c: stfld string ConsoleApplication10.Class1::test
IL_0011: ldloc.0
IL_0012: callvirt instance void ConsoleApplication10.Class1::WriteIt()
IL_0017: call string [mscorlib]System.Console::ReadLine()
IL_001c: pop
IL_001d: ret
} // end of method Class1::Main
// Using public fields
.method private hidebysig static void Main(string[] args) cil managed
{
.entrypoint
.custom instance void [mscorlib]System.STAThreadAttribute::.ctor() = ( 01
00 00 00 )
// Code size 30 (0x1e)
.maxstack 2
.locals init (class ConsoleApplication10.Class1 V_0)
IL_0000: newobj instance void ConsoleApplication10.Class1::.ctor()
IL_0005: stloc.0
IL_0006: ldloc.0
IL_0007: ldstr "hello world"
IL_000c: stfld string ConsoleApplication10.Class1::test
IL_0011: ldloc.0
IL_0012: callvirt instance void ConsoleApplication10.Class1::WriteIt()
IL_0017: call string [mscorlib]System.Console::ReadLine()
IL_001c: pop
IL_001d: ret
} // end of method Class1::Main
-----Original Message-----
From: Urs Eichmann [mailto:[EMAIL PROTECTED]
Sent: Wednesday, 22 October 2003 3:34 a.m.
To: [EMAIL PROTECTED]
Subject: Re: [ADVANCED-DOTNET] Do properties need a 'holder' keyword?
> Also, some ams have rules. Our rules say: NO PUBLIC VARIABLES. NEVER.
Thomas,
IMHO This is a good rule - as long as it applies to public classes only. But
if the classes are private to your assembly, I don't see the point of not
having public members. After all, there can be quite a performance penalty
if you use properties vs. Member variables.
Urs
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