Re: Common Dialog - Change file extension

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"Bob Butler" <tiredofit@xxxxxxxxxx> wrote in message
news:e$zF5WbnFHA.3256@xxxxxxxxxxxxxxxxxxxxxxx
> "Dave" <Nobody@xxxxxxxxxxx> wrote in message
> news:%23bVjaTbnFHA.3256@xxxxxxxxxxxxxxxxxxxx
>> A tricky area, for plain text files you are 100% right, but for files
>> whose format is distinct then the extension is the first thing the
>> operating system has to identify the file type.
>> Giving a BMP file the extension .PICCY or .BMAP or anything but .BMP
>> will cause problems when you want to open it.
>
> You have a point but in cases where there is a need to limit extensions it
> can make sense for the app to validate that what was typed is one of the
> valid choices and possibly prompt the user if they said something else.
> What I object to is the app just appending what it wants to what I typed
> and
> not telling me that it changed it.
>
> If my choices are Bitmap, JPeg or GIF and I have the drop-down set at
> "Bitmap files" but type in "test.gif" then I expect the app to save
> "test.gif" and not "test.gif.bmp".

Fair enough, it's down to the programmer to deal with each situation
intelligently.

We're doomed........................

Dave.


.

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