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CONST, TYPE, VAR
The following are globally declared in the WinTTT5 unit:
CONST
SHADOW = 5;
MAX_WINDOWS = 10;
MAX_SCREENS = 10;
WINDOWCOUNTER: BYTE = 0;
SCREENCOUNTER: BYTE = 0;
ACTIVEVSCREEN: BYTE = 0;
VAR
SHADCOLOR : BYTE;
DISPLAYLINES : BYTE;
W_ERROR : INTEGER;
W_FATAL : BOOLEAN;
Direction - this type is used to indicate the direction for the
sliding screen restores and screen scrolling. The set is UP, DOWN,
LEFT and RIGHT.
Max_Windows - this constant is set to ten and indicates the maximum
number of windows that can be overlayed on the screen at one time. The
value of ten is somewhat arbitrary, and can be modified to any
reasonable value.
Max_Screens - this constant is set to ten and indicates the maximum
number of screens that can be saved at one time. The value of ten is
somewhat arbitrary, and can be modified to any reasonable value.
WindowCounter - this byte variable stores the current number of active
windows. Do not alter the value of this variable.
ScreenCounter - this byte variable stores the current number of saved
screens. Do not alter the value of this variable.
ActiveVScreen - this byte variable indicates the currently active
virtual screen. A value of zero indicates that the visible screen is
active.
ShadColor - this byte variable indicates the color that the box
shadows are drawn in. The default is DarkGray.
DisplayLines - this byte variable stores the current number of display
lines on the visible screen. The procedures SetCondensedLines and
Set25Lines are used to alter the screen characteristics.
W_Error - this byte variable is updated everytime an error prone
WinTTT5 procedure is called. See the section Errors for more
information.
W_Fatal - this boolean variable dictates whether the program will halt
if an error occurs. See the section Errors for more information.
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