C5 UI – Basics :

?/?? :

Display one or more values to the console

? | ?? [<exp list>]

@…BOX :

Draw a box on the screen

@ <nTop>, <nLeft>, <nBottom>, <nRight>
  BOX <cBoxString> [COLOR <cColorString>]

@…CLEAR :

Clear a rectangular region of the screen

@ <nTop>, <nLeft> [CLEAR
  [TO <nBottom>, <nRight>]]

@…SAY :

Display data at a specified screen or printer row and column

@ <nRow>, <nCol>
    [SAY <exp>
    [PICTURE <cSayPicture>]
    [COLOR <cColorString>]]
    GET <idVar>
    [PICTURE <cGetPicture>]
    [COLOR <cColorString>]
    [WHEN <lPreExpression>]
    [RANGE* <dnLower>, <dnUpper>] |
    [VALID <lPostExpression>]

@…TO :

Draw a single or double line box

@ <nTop>, <nLeft>
    TO <nBottom>, <nRight> [DOUBLE] [COLOR
    <cColorString>]

ACCEPT :

Place keyboard input into a memory variable

ACCEPT [<expPrompt>] TO <idVar>

INPUT :

Enter the result of an expression into a variable

INPUT [<expPrompt>] TO <idVar>

 

ALERT() :

Display a simple modal dialog box

ALERT( <cMessage>, [<aOptions>] ) --> nChoice

CLEAR SCREEN :

Clear the screen and home the cursor

CLEAR [SCREEN] | CLS

COL() :

Return the screen cursor column position

COL() --> nCol

COLORSELECT()

                Activate attribute in current color settings

   COLORSELECT(<nColorIndex>) --> NIL

DEVOUT() :

Write a value to the current device

DEVOUT(<exp>, [<cColorString>]) --> NIL

DEVOUTPICT() :

Write a value to the current device using a picture clause

DEVOUTPICT(<exp>, <cPicture>, [<cColorString>]) --> NIL

           DEVPOS() :

Move the cursor or printhead to a new position depending on the

current device

        DEVPOS(<nRow>, <nCol>) --> NIL

DISPBEGIN() :

Begin buffering screen output

DISPBEGIN() --> NIL

DISPBOX() :

Display a box on the screen

DISPBOX(<nTop>, <nLeft>, <nBottom>, <nRight>,
    [<cnBoxString>], [<cColorString>]) --> NIL

DISPCOUNT() :

Return the number of pending DISPEND() requests

DISPCOUNT() --> nDispCount

DISPEND() :

Display buffered screen updates

DISPEND() --> NIL

DISPOUT() :

Write a value to the display

DISPOUT(<exp>, [<cColorString>]) --> NIL

OUTERR() :

Write a list of values to the standard error device

OUTERR(<exp list>) --> NIL

OUTSTD() :

Write a list of values to the standard output device

OUTSTD(<exp list>) --> NIL

QOUT() :

Display a list of expressions to the console

QOUT([<exp list>]) --> NIL
QQOUT([<exp list>]) --> NIL

RESTORE SCREEN* :

Display a saved screen

RESTORE SCREEN [FROM <cScreen>]

RESTSCREEN() :

Display a saved screen region to a specified location

RESTSCREEN([<nTop>], [<nLeft>],
    [<nBottom>], [<nRight>], <cScreen>) --> NIL

ROW() :

Return the screen row position of the cursor

ROW() --> nRow

SAVE SCREEN* :

Save current screen to a buffer or variable

SAVE SCREEN [TO <idVar>]

SAVESCREEN() :

Save a screen region for later display

SAVESCREEN([<nTop>], [<nLeft>],
    [<nBottom>], [<nRight>]) --> cScreen

SCROLL() :

Scroll a screen region up or down

SCROLL([<nTop>], [<nLeft>],
     [<nBottom>], [<nRight>], [<nVert>] [<nHoriz>])

 --> NIL

TYPE :

Display or print the contents of a text file

TYPE <xcFile> [TO PRINTER] [TO FILE <xcOutFile>]