DriverCaps.SupportsAlphaFullscreenFlipOrDiscard Property (Microsoft.DirectX.Direct3D)
Indicates that the device can respect RenderStateManager.AlphaBlendEnable in full-screen mode while using the RenderStateManager.Flip or RenderStateManager.Discard swap effect.
System.Boolean
This property is read-only.
Value that is true if the device can respect RenderStateManager.AlphaBlendEnable in full-screen mode while using RenderStateManager.Flip or RenderStateManager.Discard, or false if it cannot.
The RenderStateManager.Copy swap effect works regardless of whether this flag is set.
This property is relevant only when RenderStateManager.AlphaSourceBlend or RenderStateManager.AlphaDestinationBlend are set to DestinationAlpha, InvDestinationAlpha, DestinationColor, or InvDestinationColor.