[Lazarus] High-DPI aware LCL ?

[Michael Van Canneyt]

On Wed, 7 Oct 2015, Graeme Geldenhuys wrote:

> On 2015-10-07 09:25, Michael Van Canneyt wrote:
>> It worked on Linux, Windows 7. Then someone ran it on Windows 8 and 10,
>> and those versions of Windows did something which completely messed up
>> the DPI awareness.
>
>
> Strange, because using the same method as what you, but with a fpGUI
> test application. Scaling worked perfectly on Linux, FreeBSD, Win2000,
> WinXP, Win7 and Win8.1
>
> Here are screenshots I just did under Windows 8.1. The application was
> designed at 96dpi, and I tested with 120 (120%), 144 (150%) and 192
> (200%) dpi values. Note how the whole application stays in proportion
> with clear text and graphics.
>
>  http://geldenhuys.co.uk/~graemeg/temp/
>
>
> Granted, under Win8.1 I had to include a manifest file to tell Windows
> that my application is DPI-aware, otherwise it does scaling (app stays
> at 96dpi and then Windows zooms the app). Here is the manifest file I
> used, as as recommended by Microsoft.
>
> ===========================
> <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"
> xmlns:asmv3="urn:schemas-microsoft-com:asm.v3" >
>  <asmv3:application>
>    <asmv3:windowsSettings
> xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">
>      <dpiAware>true</dpiAware>
>    </asmv3:windowsSettings>
>  </asmv3:application>
> </assembly>
> ===========================

The manifest file is probably the problem I am facing...

Michael.