IOCTL_VIDEO_LOAD_AND_SET_FONT - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// ntddvdeo.h

// CTL_CODE(0x0023, 0x105, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_VIDEO_LOAD_AND_SET_FONT 0x00230414
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Windows Driver Kit DDI reference (ni-ntddvdeo-ioctl_video_load_and_set_font)

IOCTL_VIDEO_LOAD_AND_SET_FONT IOCTL

Description

Loads a user-defined font on the adapter. Miniport drivers for VGA-compatible adapters are required to support this modal request; optional for other miniport drivers.

Parameters

Major code

Input buffer

The VRP InputBuffer contains a VIDEO_LOAD_FONT_INFORMATION structure describing the font's width, height, and size, as well as a pointer to the font buffer.

Input buffer length

Output buffer

None

Output buffer length

Input/output buffer

Input/output buffer length

Status block

The miniport driver does not set the Information member of the STATUS_BLOCK structure.

View the official Windows Driver Kit DDI reference

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