TdxAlphaColor Type

A value that stores red, green, blue, and alpha (opacity) color components.

Declaration

TdxAlphaColor = type System.Types.DWORD;

Referenced Class

Type	Description
DWORD	A 4-byte unsigned integer value that stores color components in ARGB (Alpha, Red, Green, and Blue) format. This color format corresponds to the ARGB color mapping in GDI+.

Remarks

The TdxAlphaColor type is a TColor counterpart with support for transparency. All DevExpress components that allow you to specify transparent colors use this type.

TdxAlphaColor-Related APIs

The TdxAlphaColors record declares multiple constants of the TdxAlphaColor type that correspond to predefined colors whose alpha component value is 255.

In addition, you can call the following dedicated global methods to create TdxAlphaColor values in code and work with them:

dxAlphaColorToColor

dxAlphaColorToRGBQuad

Converts a specified TdxAlphaColor value to the TRGBQuad type.

dxColorToAlphaColor

Converts a specified TColor value to the TdxAlphaColor type.

dxMakeAlphaColor

dxGetAlpha

Extracts the alpha value (also called transparency level) from a specified color.

dxGetBlue

Extracts the blue color component value from a specified color.

dxGetGreen

Extracts the green color component value from a specified color.

dxGetRed

Extracts the red color component value from a specified color.