[ros-dev] Off-topic: Understanding win32k system calls - help please

James Tabor jimtabor.rosdev at gmail.com
Thu Sep 25 00:59:46 CEST 2008


Hi,
ReactOS as a guide, our NtUserCreateWindowEx maybe wrong and
misaligned. Each version of windows has one thing or another changed
with the win32k API. It could be a PUNICODE_STRING or LPWSTR. You will
have to take what we know from the past to decode the new.
James

On Wed, Sep 24, 2008 at 2:18 PM, Jeetu Golani <jeetu.golani at gmail.com> wrote:
> Hi,
>
>  First, I'd like to apologize since what I'm asking doesn't directly relate to
>  ReactOS however I'm hoping someone here might be able to shed some light.
>
>  I've built a rudimentary win32k profiler and  I've hooked the win32k SDT and
>  hooked onto the NtUserCreateWindowEx function in the hope of studying values
>  returned by it. I see some strange (to me) values for the x and y
>  coordinates - values such as 1547372 etc. I'm not sure how to interpret these
>  values and convert them into pixel units or traditional coordinate
>  mechanisms. I first thought there must be something wrong with my code
>  however I'm not so sure anymore.
>
>  Would someone here be able to guide me on how to interpret these values???
>
>  Thanks and sorry again
>
>  Bye for now
>
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