"LondonLad" <London***@discussions.microsoft.com> wrote in message
news:7D3A36E3-8722-494B-91D2-6E1A725EEB5D@microsoft.com...
:I am using Randy Birch's CopyFileEx: Create a File Backup App
:
: Option Explicit
: Private Const FILE_ATTRIBUTE_DIRECTORY As Long = &H10
:
: I am stuck as I cannot see why this line of code does not work:-
:
: 1. When they are equal
: 2. When they are not equal
:
: I am getting the same result nothing within the if statement is being
called
: whether they are equal or not.
:
: 'if the object is not a folder..
:         If (WFDSource.dwFileAttributes And FILE_ATTRIBUTE_DIRECTORY) <>
: FILE_ATTRIBUTE_DIRECTORY Then
:
: other code
:
: end if
:
: When the WFDSource.dwFileAttributes is not a folder its value = 17 and
when
: it is a folder its value = 16
:
: FILE_ATTRIBUTE_DIRECTORY value = 16 is it the
: And  FILE_ATTRIBUTE_DIRECTORY that is causing the problem?
:
: Can you help?

"LondonLad" <London***@discussions.microsoft.com> wrote in message
news:7D3A36E3-8722-494B-91D2-6E1A725EEB5D@microsoft.com...
> I am using Randy Birch's CopyFileEx: Create a File Backup App
>
> Option Explicit
> Private Const FILE_ATTRIBUTE_DIRECTORY As Long = &H10
>
> I am stuck as I cannot see why this line of code does not work:-
>
> 1. When they are equal
> 2. When they are not equal
>
> I am getting the same result nothing within the if statement is being
> called
> whether they are equal or not.
>
> 'if the object is not a folder..
>         If (WFDSource.dwFileAttributes And FILE_ATTRIBUTE_DIRECTORY) <>
> FILE_ATTRIBUTE_DIRECTORY Then
>
> other code
>
> end if

"MikeD" wrote:

>
>
> "LondonLad" <London***@discussions.microsoft.com> wrote in message
> news:7D3A36E3-8722-494B-91D2-6E1A725EEB5D@microsoft.com...
> > I am using Randy Birch's CopyFileEx: Create a File Backup App
> >
> > Option Explicit
> > Private Const FILE_ATTRIBUTE_DIRECTORY As Long = &H10
> >
> > I am stuck as I cannot see why this line of code does not work:-
> >
> > 1. When they are equal
> > 2. When they are not equal
> >
> > I am getting the same result nothing within the if statement is being
> > called
> > whether they are equal or not.
> >
> > 'if the object is not a folder..
> >         If (WFDSource.dwFileAttributes And FILE_ATTRIBUTE_DIRECTORY) <>
> > FILE_ATTRIBUTE_DIRECTORY Then
> >
> > other code
> >
> > end if
>
> That code is fine.
>
> >
> > When the WFDSource.dwFileAttributes is not a folder its value = 17 and
> > when
> > it is a folder its value = 16
>
> Here's where you're mistaken. If dwFileAttributes has a value of 17, then it
> IS a directory that also has the read-only attribute. The constant for this
> attribute is:
>
> Public Const FILE_ATTRIBUTE_READONLY = &H1
>
> In decimal form, the values are 16 (for directory) and 1 (for read-only).
> Added together, it means that BOTH attributes are present.  Try this in the
> Immediate window:
>
> ? 17 and 16
>
> This will print 16 into the immediate window. For a little bit closer
> representation of your code above, try this in the immediate window:
>
> ? (17 and 16) <> 16
>
> Note that it prints False.
>
> The problem doesn't appear to be with the code.  Verify what you have for
> the cFileName member of the WIN32_FIND_DATA structure.  You'll probably find
> it really is a directory name.
>
> --
> Mike
> 
>
> .
>

> is this the correct answer? it seem from what you said it is. OK
>
> You said to look at cFileName which I have and this is a Folder Name and
> one
> of the many that should be checked for Date Created.
>
> Can you help further please?
>
>
> "MikeD" wrote:
>
>>
>>
>> "LondonLad" <London***@discussions.microsoft.com> wrote in message
>> news:7D3A36E3-8722-494B-91D2-6E1A725EEB5D@microsoft.com...
>> > I am using Randy Birch's CopyFileEx: Create a File Backup App
>> >
>> > Option Explicit
>> > Private Const FILE_ATTRIBUTE_DIRECTORY As Long = &H10
>> >
>> > I am stuck as I cannot see why this line of code does not work:-
>> >
>> > 1. When they are equal
>> > 2. When they are not equal
>> >
>> > I am getting the same result nothing within the if statement is being
>> > called
>> > whether they are equal or not.
>> >
>> > 'if the object is not a folder..
>> >         If (WFDSource.dwFileAttributes And FILE_ATTRIBUTE_DIRECTORY) <>
>> > FILE_ATTRIBUTE_DIRECTORY Then
>> >
>> > other code
>> >
>> > end if
>>
>> That code is fine.
>>
>> >
>> > When the WFDSource.dwFileAttributes is not a folder its value = 17 and
>> > when
>> > it is a folder its value = 16
>>
>> Here's where you're mistaken. If dwFileAttributes has a value of 17, then
>> it
>> IS a directory that also has the read-only attribute. The constant for
>> this
>> attribute is:
>>
>> Public Const FILE_ATTRIBUTE_READONLY = &H1
>>
>> In decimal form, the values are 16 (for directory) and 1 (for read-only).
>> Added together, it means that BOTH attributes are present.  Try this in
>> the
>> Immediate window:
>>
>> ? 17 and 16
>>
>> This will print 16 into the immediate window. For a little bit closer
>> representation of your code above, try this in the immediate window:
>>
>> ? (17 and 16) <> 16
>>
>> Note that it prints False.
>>
>> The problem doesn't appear to be with the code.  Verify what you have for
>> the cFileName member of the WIN32_FIND_DATA structure.  You'll probably
>> find
>> it really is a directory name.
>>
>> --
>> Mike
>>
>>
>> .
>>

"Mayayana" wrote:

> | Yes I will be the first to admit that i do not have any knowledge  on bit
> | operations but so far this has not stopped me from getting useful code to
> | work to my requirements. I have read the article that Kevin Provance
> | suggested at that has not helped me to understand the problem I have.
> | As you said I had tried the prints to the intermediate window and I get
> this
> | result
> |
> | ? (17 and 16) <> 16 Result False
> | ? (16 and 16) <> 16 Result False
> | is this the correct answer? it seem from what you said it is. OK
> |
>
>   Since it's a bit flag you're comparing bit values. It's
> misleading because "And" doesn't make sense
> until you know that. The values in binary are:
>
> 16:  00010000
> 17:  00010001
>
>   So 17 And 16 = 16 because that is the sum of the shared
> bits. By doing x And 16 you can check whether the 16 bit is
> set. It doesn't matter which other bits are or are not set. "And"
> is just a simple masking device. (If that doesn't make sense
> you might want to look up how decimal/hex/binary values
> express numbers and how that relates to bits.
>
>
>
> .
>

"LondonLad" <London***@discussions.microsoft.com> skrev i meddelandet
news:68992D5B-C45F-47AF-9497-C7BE19587CB1@microsoft.com...
> Hi Mayayana
> Thank for your very clear explanation what would be the bit answer that is
> equal and allow code within the if statement to function.
>
> 'if the object is not a folder
> If (WFDSource.dwFileAttributes And FILE_ATTRIBUTE_DIRECTORY) <>
> FILE_ATTRIBUTE_DIRECTORY Then
>
> other code
>
> End if
>
> I thought that the author was making sure that it was a folder its seems
> to
> me that when it is a folder it still does not become equal and therefore
> does
> not satisfy the question.
>
> I would appreciate further help if you can.
>
> "Mayayana" wrote:
>
>> | Yes I will be the first to admit that i do not have any knowledge  on
>> bit
>> | operations but so far this has not stopped me from getting useful code
>> to
>> | work to my requirements. I have read the article that Kevin Provance
>> | suggested at that has not helped me to understand the problem I have.
>> | As you said I had tried the prints to the intermediate window and I get
>> this
>> | result
>> |
>> | ? (17 and 16) <> 16 Result False
>> | ? (16 and 16) <> 16 Result False
>> | is this the correct answer? it seem from what you said it is. OK
>> |
>>
>>   Since it's a bit flag you're comparing bit values. It's
>> misleading because "And" doesn't make sense
>> until you know that. The values in binary are:
>>
>> 16:  00010000
>> 17:  00010001
>>
>>   So 17 And 16 = 16 because that is the sum of the shared
>> bits. By doing x And 16 you can check whether the 16 bit is
>> set. It doesn't matter which other bits are or are not set. "And"
>> is just a simple masking device. (If that doesn't make sense
>> you might want to look up how decimal/hex/binary values
>> express numbers and how that relates to bits.
>>
>>
>>
>> .
>>

"Henning" <computer_h***@coldmail.com> skrev i meddelandet
news:i3k91o$s7a$1@news.eternal-september.org...
> OBS!  'if the object is *not* a folder
>
> /Henning
>
> "LondonLad" <London***@discussions.microsoft.com> skrev i meddelandet
> news:68992D5B-C45F-47AF-9497-C7BE19587CB1@microsoft.com...
>> Hi Mayayana
>> Thank for your very clear explanation what would be the bit answer that
>> is
>> equal and allow code within the if statement to function.
>>
>> 'if the object is not a folder
>> If (WFDSource.dwFileAttributes And FILE_ATTRIBUTE_DIRECTORY) <>
>> FILE_ATTRIBUTE_DIRECTORY Then
>>
>> other code
>>
>> End if
>>
>> I thought that the author was making sure that it was a folder its seems
>> to
>> me that when it is a folder it still does not become equal and therefore
>> does
>> not satisfy the question.
>>
>> I would appreciate further help if you can.
>>
>> "Mayayana" wrote:
>>
>>> | Yes I will be the first to admit that i do not have any knowledge  on
>>> bit
>>> | operations but so far this has not stopped me from getting useful code
>>> to
>>> | work to my requirements. I have read the article that Kevin Provance
>>> | suggested at that has not helped me to understand the problem I have.
>>> | As you said I had tried the prints to the intermediate window and I
>>> get
>>> this
>>> | result
>>> |
>>> | ? (17 and 16) <> 16 Result False
>>> | ? (16 and 16) <> 16 Result False
>>> | is this the correct answer? it seem from what you said it is. OK
>>> |
>>>
>>>   Since it's a bit flag you're comparing bit values. It's
>>> misleading because "And" doesn't make sense
>>> until you know that. The values in binary are:
>>>
>>> 16:  00010000
>>> 17:  00010001
>>>
>>>   So 17 And 16 = 16 because that is the sum of the shared
>>> bits. By doing x And 16 you can check whether the 16 bit is
>>> set. It doesn't matter which other bits are or are not set. "And"
>>> is just a simple masking device. (If that doesn't make sense
>>> you might want to look up how decimal/hex/binary values
>>> express numbers and how that relates to bits.
>>>
>>>
>>>
>>> .
>>>
>
>