why "If Not" don't works ?

sirjo66 · Feb 16, 2013

This code works:

B4X:

If File.IsDirectory(strDir, strFile) Then

This NOT works:

B4X:

If Not File.IsDirectory(strDir, strFile) Then

it tell me: syntax error

..... why ???

I need to write

B4X:

If File.IsDirectory(strDir, strFile) = False Then

but is not very good

Sergio

klaus · Feb 16, 2013

This will work:

B4X:

If Not(File.IsDirectory(strDir, strFile)) Then

Best regards.

sirjo66 · Feb 16, 2013

klaus said:
This will work:

B4X:

If Not(File.IsDirectory(strDir, strFile)) Then

Best regards.

Fantastic !!

Jost aus Soest · Feb 17, 2013

IMHO to many parenthesis needed.

But the question remains:
Why do we have to use contextual useless parenthesis?

B4X:

'Not' should be an operator:
'If Not(b) Then  ==>
If Not b Then

'Calling a sub without returning a value:
'DoSomething(a)  ==>
DoSomething a

Parenthesis are making the code so C-ish (aka ugly).

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