Unit 'agraphics'	Package
[Overview][Constants][Types][Procedures and functions][Variables][Index]	[#os4units]

GetDisplayInfoData

Query DisplayInfo Record parameters

Declaration

Source position: agraphics.pas line 2420

function GetDisplayInfoData(

const Handle: Pointer;

Buf: Pointer;

Size: LongWord;

TagID: LongWord;

DisplayID: LongWord

):LongWord;

Arguments

`Handle`		A displayinfo handle
`Buf`		A pointer to destination buffer
`Size`		Buffer size in bytes
`TagID`		data chunk type (DTAG_*)

Function result

If positive, number of bytes actually transferred if zero, no information for ID was available

Description

GetDisplayInfoData() fills a buffer with data meaningful to the DisplayInfoRecord pointed at by your valid handle. The data type that you are interested in is indicated by a tagID for that chunk. The types of tagged information that may be available include:

DTAG_DISP:: (TDisplayInfo) properties and availability information.
DTAG_DIMS:: (TDimensionInfo) default dimensions and overscan info.
DTAG_MNTR:: (TMonitorInfo) type, position, scanrate, and compatibility
DTAG_NAME:: (TNameInfo) a user friendly way to refer to this mode.

FindDisplayInfo		Search for a record identified by a specific key
NextDisplayInfo		Iterate current displayinfo identifiers

GetDisplayInfoData

Declaration

Arguments

Function result

Description

See also