public:
     __property dword FXAlphaCaps = { read=FGetFXAlphaCaps, write=FSetFXAlphaCaps, default=0 };

• Description
• Flags
• See Also

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The FXAlphaCaps property defines flags indicating the available alpha channel capabilities.
The described effect applies when the flag is set.

DDFXALPHACAPS_BLTALPHAEDGEBLEND
Support for alpha blending around the edge of a source color-keyed surface while blitting is available.

DDFXALPHACAPS_BLTALPHAPIXELS
Support for blitting with the alpha information included in the pixel format is available.

DDFXALPHACAPS_BLTALPHAPIXELSNEG
Support for blitting with reversed alpha information included in the pixel format is available.
This flag will only be set if DDCAPS_ALPHA in TDDCaps::Caps is also set.

DDFXALPHACAPS_BLTALPHASURFACES
Support for alpha only surfaces when blitting is available.

DDFXALPHACAPS_BLTALPHASURFACESNEG
Support for reversed alpha only surfaces when blitting is available.
This flag will only be set if DDCAPS_ALPHA in TDDCaps::Caps is also set.

DDFXALPHACAPS_OVERLAYALPHAEDGEBLEND
Support for alpha blending around the edge of a source color keyed surface when overlaying is available.

DDFXALPHACAPS_OVERLAYALPHAPIXELS
Support for overlays with alpha information included in the pixel format is available.

DDFXALPHACAPS_OVERLAYALPHAPIXELSNEG
Support for overlays with reversed alpha information included in the pixel format is available.
This flag will only be set if DDCAPS_ALPHA in TDDCaps::Caps is also set.

DDFXALPHACAPS_OVERLAYALPHASURFACES
Support for alpha only surfaces with overlays is available.

DDFXALPHACAPS_OVERLAYALPHASURFACESNEG
Support for reversed alpha only surfaces with overlays is available.
This flag will only be set if DDCAPS_ALPHA in TDDCaps::Caps is also set.

TDDCaps