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- Description
The TDx_Draw::DDEnumerate method scans all DirectDraw devices installed on the system and calls the OnDDEnumerate event for each device.
There is no need to write a manual callback function, just place your code in the OnDDEnumerate event.
- Parameters
Context
The Context parameter references an application defined object to be passed to the callback function for each device enumerated.
Flags
The Flags parameter defines flags indicating the scope the enumeration is to employ.
The described effect applies when the flag is set.
A setting of 0 will enumerate the primary display device and a non-display device if one is installed.
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DDENUM_ATTACHEDSECONDARYDEVICES
Enumerate the primary device along with all display devices attached to the desktop.
DDENUM_DETACHEDSECONDARYDEVICES
Enumerate the primary device along with all display devices not attached to the desktop.
DDENUM_NONDISPLAYDEVICES
Enumerate all non-display devices.
This could be 3-D accelerators that have no 2-D capabilities for example.
- See Also
- Top
TDx_Draw_Library v2.00 Component Reference
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[ TDx_Draw::DDEnumerate() ] [ next: Destroy() ] [ prev: CreateSurface() ] public:
virtual bool __fastcall DDEnumerate( LPVOID pContext, DWORD pFlags );
TDX_DRAW::DDENUMERATE()
[ component method ]
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