Convert dialog units to device units.

EslDlgToScreen(WIDTH_IV, HEIGHT_IV)

Return the EGA color value for ESL color numbers.

call EslQueryEgaColor(ESL_COLOR_NUMBER_IV, RED_IV, GREEN_IV, BLUE_IV)

Return the name of the ESL object that currently has the keyboard input focus.

EslQueryFocus()

Convert device units to dialog units.

EslScreenToDlg(WIDTH_IV, HEIGHT_IV) 

Set the EGA color value for ESL color number 18 through 25.

EslSetEgaColor(ESL_COLOR_NUMBER_IV, RED_IV, GREEN_IV, BLUE_IV)

Set the VGA red/green/blue color values for ESL colors 18 through 25.

EslSetVgaColor(ESL_COLOR_NUMBER_IV, RED_IV, GREEN_IV, BLUE_IV)