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New Message on BDOTNET
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From: Gags
Message 1 in Discussion
Module Module1
Sub Main()
Dim I As New Object()
If I Is Nothing Then
'do something
End If
End Sub
End Module
Produces ..
method public static void Main() cil managed
{
.entrypoint
.custom instance void [mscorlib]System.STAThreadAttribute::.ctor() = ( 01 00 00 00 )
// Code size 18 (0x12)
.maxstack 1
.locals init ([0] object I)
IL_0000: nop
IL_0001: newobj instance void [mscorlib]System.Object::.ctor()
IL_0006: call object
[mscorlib]System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(object)
IL_000b: stloc.0
IL_000c: ldloc.0
IL_000d: brtrue.s IL_000f
IL_000f: nop
IL_0010: nop
IL_0011: ret
} // end of method Module1::Main
and
Module Module1
Sub Main()
Dim I As New Object()
If IsNothing(I) Then
'do something
End If
End Sub
End Module
Producess ..
method public static void Main() cil managed
{
.entrypoint
.custom instance void [mscorlib]System.STAThreadAttribute::.ctor() = ( 01 00 00 00 )
// Code size 28 (0x1c)
.maxstack 1
.locals init ([0] object I)
IL_0000: nop
IL_0001: newobj instance void [mscorlib]System.Object::.ctor()
IL_0006: call object
[mscorlib]System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(object)
IL_000b: stloc.0
IL_000c: ldloc.0
IL_000d: call object
[mscorlib]System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(object)
IL_0012: call bool
[Microsoft.VisualBasic]Microsoft.VisualBasic.Information::IsNothing(object)
IL_0017: brfalse.s IL_0019
IL_0019: nop
IL_001a: nop
IL_001b: ret
} // end of method Module1::Main
In the second case there are few extra IL lines and its using MicroSoft.VisualBasic.
Now which one would be the better statement to use?
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