Query DisplayInfo Record parameters
Source position: agraphics.pas line 2163
function GetDisplayInfoData( |
Handle: DisplayInfoHandle; |
Buf: PChar; |
Size: LongWord; |
TagID: LongWord; |
ID: LongWord |
):LongWord; |
Handle |
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A displayinfo handle |
Buf |
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A pointer to destination buffer |
Size |
|
Buffer size in bytes |
TagID |
|
data chunk type (DTAG_*) |
ID |
|
displayinfo identifier, optionally used if handle is nil |
If positive, number of bytes actually transferred if zero, no information for ID was available
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:
|
Search for a record identified by a specific key |
|
|
Iterate current displayinfo identifiers |