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  (c) TransEra Corp, 2021

Basic Window Manipulation Codes

 
Several GESCAPE codes allow manipulation of the HTBasic window.
 
Code
Operation
30
Maximize the window
31
Hide the window
32
Restore the window
33
Set interior client of the app window position and size
34
Get interior client of the app window position and size
35
Bring the window to the top
36
Get the screen size
37
Returns the Title Bar enable flag
38
Hide / restore title bar
39
Set the DUMP size (% of paper width)
41
Minimize the window
 
The following GESCAPE CRT codes have been added for manipulation of the program window.
 
Code
Operation
46
Turn the Control Toolbar Off
47
Turn the Control Toolbar On
48
Turn the Status Bar Off
49
Turn the Status Bar On
50
Remove Main Menu
51
Restore Main Menu
52
Disable Borders on Parent Window
53
Enable Borders on Parent Window
54
Disable Minimize button on Parent Window
55
Enable Minimize button on Parent Window
56
Disable Maximize button on the Parent Window
57
Enable Maximize button on the Parent Window
58
Disable Close button on the Parent Window
59
Enable Close button on the Parent Window
60
Turn the Bookmark Toolbar Off
61
Turn the Bookmark Toolbar On
62
Turn the Debug Toolbar Off
63
Turn the Debug Toolbar On
64
Filename in titlebar off
65
Filename in titlebar on
 
The following GESCAPE CRT codes have been added for manipulation of the program child window.
         
Code
Operation
130
Maximize the window
131
Hide the window
132
Restore the window
135
Bring the window to the top
137
Returns the Title bar enable flag
138
Hide / Restore the Title bar (Toggle switch)
141
Minimize the window
152
Disable Borders on Child Window
153
Enable Borders on Child Window
 
The following example shows the syntax for several of the GESCAPES. Note that codes that set information have a comma before the array name while codes that get information have a semicolon.
 
10                INTEGER Get4(1:4),Set4(1:4),Get2(1:2),Set1(1:1)
20                DATA 90,100,500,300                  ! Position of upper left corner:
30                                                                ! 90,100), Width = 500, Height = 300
40                READ Set4(*)
50                GESCAPE CRT,30         ! Maximize the window
60                GESCAPE CRT,31         ! Hide the window
70                GESCAPE CRT,32         ! Restore the window
80                GESCAPE CRT,33,Set4(*) ! Set position and size: X,Y,W,H
90                GESCAPE CRT,34;Get4(*) ! Get position and size: X,Y,W,H
100        GESCAPE CRT,35         ! Bring the window to the top
110        GESCAPE CRT,36;Get2(*) ! Get the screen size: W,H
120        GESCAPE CRT,37;Get3(*) ! Get the title bar enable flag
130        PRINT Get(2)           ! Print the Screen Size
140        PRINT Get(3)           ! Print the title bar enable flag
150        Set1(1)=50             ! Set the DUMP size to 50%
160        GESCAPE CRT,38         ! Hide window Title Bar
170        GESCAPE CRT,38         ! Restore window Title Bar
180        GESCAPE CRT,39,Set1(*) ! Set the DUMP size (default is 100%)
190        GESCAPE CRT,41         ! Minimize the window
200        GESCAPE CRT,32         ! Restore the window
210        END