Microsoft KB Archive/72134

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PRB: GetCharWidth Function in Printer Driver Is Never Called

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Q72134

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The information in this article applies to:


 * Microsoft Windows Device Development Kit (DDK) for Windows, versions 3.0, 3.1

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SYMPTOMS
When a printer driver that defines the GetCharWidth, ExtTextOut, and FastBorder functions is installed in Microsoft Windows versions 3.0 or 3.1, these functions in the driver are never called by the Windows graphics device interface (GDI).

CAUSE
In the driver's GDIINFO data structure, the RC_GDI20_OUTPUT bit is not set in the dpRaster field.

RESOLUTION
Set the dpRaster field of the GDIINFO structure to contain RC_GDI20_OUTPUT (0x0010h).

Additional query words: 3.00 3.10 DDKPRINT

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