4. System Classes : SessionObject Class : DisplayCapability Attribute
 
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DisplayCapability Attribute
Data Type: integer
4GL Access: R
The DisplayCapability attribute indicates whether the display in use is color or black and white.
Valid values are:
DC_BW—monochrome
DC_COLOR—color
Descriptions of system constant values and their numeric equivalents are listed in Display Capabilities Settings for SessionObject (see Display Capabilities Settings for SessionObject).