画面節の概要
A Screen Description entry specifies the attributes, behavior, size and location for a referenced screen item which is accepted or displayed at run time.
AUTO句
The AUTO clause automatically terminates an ACCEPT operation of the screen item when the last character position is keyed. No explicit terminator key is necessary.
BACKGROUND-COLOR(背景色)句
The BACKGROUND-COLOR clause specifies the background color of the screen item.
BELL(警報)句
The BELL clause causes an audible alarm to occur each time the item containing the clause is displayed.
BLANK(空白)句
The BLANK clause clears a line of a screen or the whole screen before a screen item is displayed.
BLINK(点滅)句
The BLINK clause causes the screen item to blink when it appears on the screen.
COLUMN（カラム）句
The COLUMN clause specifies the column at which the screen item starts on the screen.
CONTROL(制御)句
The CONTROL clause allows attributes associated with a Screen Section item to be defined at run time.
ERASE(消去)句
The ERASE clause clears part of the line or the screen starting at the cursor position.
FOREGROUND-COLOR(前景色)句
The FOREGROUND-COLOR clause specifies the foreground color of the screen item.
FROM(から)句
The FROM clause identifies the source of data for display.
FULL(全桁)句
The FULL clause specifies that the operator must either leave the screen item completely empty or fill it entirely with data.
GRID（桁取り）句
The GRID clause causes each character of the screen item to have a vertical line on its left-hand side when the item appears on the screen. Each line is within the character-position.
HIGHLIGHT(強輝度)句
The HIGHLIGHT clause causes the screen item to appear in high intensity mode when it appears on the screen.
JUSTIFIED(桁寄せ)句 - 画面節中
The JUSTIFIED clause specifies non-standard positioning of data within a screen item when data is either moved to it or entered into it.
LEFTLINE(左端位置)句
The LEFTLINE clause causes the leftmost character of the screen item to have a vertical line on its left-hand side when the item appears on the screen. The line is within the character-position.
LINE(行)句
The LINE clause specifies the line at which the screen item starts on the screen.
LOWLIGHT(弱輝度）句
The LOWLIGHT clause specifies that the field is to appear on the screen with the lowest intensity.
OCCURS(反復)句 - 画面節中
The OCCURS clause eliminates the need for separate entries for repeated screen items and supplies information required for the application of subscripts or indices.
OVERLINE(上線)句
The OVERLINE clause causes every character of the screen item to have a horizontal line above it when the item appears on the screen. The line is within the character-position.
PICTURE(形式)句 - 画面節中
The PICTURE clause describes the length, general characteristics and editing requirements of a screen item.
PROMPT(プロンプト)句
The PROMPT clause causes the empty character positions in the screen item to be marked on the screen during an ACCEPT operation while the system is ready to accept operator-keyed data into that item.
REQUIRED(必須)句
The REQUIRED clause specifies that the operator must not leave the screen item empty.
REVERSE-VIDEO(反転画面)句
The REVERSE-VIDEO clause causes the screen item to be displayed in reverse-video.
SECURE(機密)句
The SECURE clause prevents operator-keyed data from appearing on the screen.
SIGN(符号)句 - 画面節中
The SIGN clause specifies the position and representation of the operational sign.
SIZE(大きさ)句
The SIZE clause specifies the current size of the screen item.
TO(へ)句
The TO clause identifies the destination of data accepted.
UNDERLINE(下線)句
The UNDERLINE clause causes the screen item to be underlined when it appears on the screen.
USAGE(用途)句 - 画面節中
The USAGE clause specifies the format of a data item in the computer storage.
USING(使用)句
The USING clause identifies the source of data for display.
VALUE(値)句 - 画面節中
The VALUE clause specifies literal information for display on the screen.
ZERO-FILL(ゼロ補填)句
The ZERO-FILL clause causes trailing prompt characters to be replaced by zeros instead of spaces.