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Editorial Team
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Asked: 2026-05-16T18:00:26+00:00

I have a WPF application rendering fonts to a larger size than I expect.

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I have a WPF application rendering fonts to a larger size than I expect.

The catch is that only WPF applications I write seem to have this effect, and the problem happens only on one computer. The effect also happens with all WPF programs I write (not just one), and all windows exhit the effect.

I am using Visual Studio 2008 with .NET 3.5 SP1; all programs written in WPF.
The operating system is Windows XP with the latest service packs.
The screen resolution is 1680×1050.
Windows and buttons using Windows XP style.
Font size is Normal.
DPI setting is normal size (96 dpi).

I tested my applications on a two other computers with same OS and settings and it looks fine. My programs run on dozens of other computers and I do not see this problem.

Here is a window that looks good:
alt text

Here is a window that shows the problem (notice the button on the lower left, and the font size):
alt text

I know I can increase the width and add margin to compensate, but I need to understand why this happening.
I am close to a release and I want to make sure my users do not see this effect.

All ideas appreciated.

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1 Answer

  1. Editorial Team

    I’m not running XP right now, but I thought you could customize the size of the text that appears in window captions (and buttons) via the Display Properties (right-click desktop, select Properties, and it’s the 3rd or 4th tab, I think). It lets you select colors for selected items, background colors of windows, etc.

    That would be separate from setting the DPI settings.

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