Re: Help please with PPC 2003 SE and switch to 192 DPI

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From: Simon (none_at_none.com)
Date: 11/04/04 

Date: Thu, 4 Nov 2004 17:45:46 +0100

I have done exactly that. And when this didn't work I added following line
in the resource file:

HI_RES_AWARE CEUX {1} // emulator layer

And after I recompile the program I still get the 96 returned when I call
the GetDeviceCaps(hdc, LOGPIXELSX) function.

What am I doing wrong?

Simon

"Vu" <Vu@discussions.microsoft.com> wrote in message
news:EF977B0C-AC84-4C1A-9F0F-6BD9E21BA469@microsoft.com...
> "Simon" wrote:
>
>> I have rechecked my code and I do not find the reason why I still get 92
>> DPI
>> on my device. Can someone please try and compile the code that is
>> attached
>> to this post. I have also included the compiled code.
>>
> Check the document "DPI_Awareness.doc". The following is from that doc
> ------------------------------------------------------------
> High-resolution Windows Mobile-based Pocket PCs also provide an emulation
> layer for backwards compatibility with old applications. With this
> emulation
> layer, the display appears to legacy applications as a traditional 240 x
> 320
> display; however, the operating system scales all the graphics to fit the
> actual display size. Fonts are linearly scaled in height, using the method
> described earlier in this document, in the section titled "Creating
> DPI-Aware
> Fonts."
> The following factors control whether the device should use the emulation
> layer for an application:
> . Subsystem version information in the executable header.
> . HI_RES_AWARE custom data in the executable's resources.
> The subsystem version information is set during the linking phase of
> compilation. By default, applications compiled with the Windows Mobile
> 2003
> and 2002 SDKs set this value to 4.20 or lower; in future releases of the
> Pocket PC SDK, this value will be set to 4.21 and higher. In general,
> applications with a subsystem version of 4.20 or lower are considered
> legacy
> applications and will go through the emulation layer.
> The HI_RES_AWARE resource item can be used to override this behavior for
> legacy applications. The operating system looks for this special resource
> item when the legacy application loads. The following procedure adds it to
> your program, using Microsoft eMbedded Visual C++.
> Note Alternatively, you can add the following line to your resource file
> directly:
> HI_RES_AWARE CEUX {1} // To turn off the emulation layer
> To add the HI_RES_AWARE resource item to your program
> 1. From the Insert menu, select Resource.
> 2. Click the Custom button.
> 3. Enter CEUX for the resource type.
> 4. Set the resource data to 01 00.
> 5. Click the Properties tab.
> 6. Rename the item to "HI_RES_AWARE", including quotes. (If the quotes are
> omitted, HI_RES_AWARE will be incorrectly defined as a numeric value in
> resource.h, and you will need to go back and delete the line from
> resource.h.)
> 7. Deselect the external file checkbox.
> -----------------------------------------------------------------------------
>
> Vu
>

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