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78 lines
3.8 KiB
Text
78 lines
3.8 KiB
Text
The [[$CONSOLE]] [[metacommand]] creates a console window that can be used throughout a QB64 program module.
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{{PageSyntax}}
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: [[$CONSOLE]][:ONLY]
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{{Description}}
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* [[_CONSOLE]] '''ON''' or '''OFF''' may be used to show or hide the console window at run time.
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* The ''':ONLY''' option can be used when only a console window is desired without a program window.
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* [[_DEST]] and [[_SOURCE]] are automatically set to [[_CONSOLE]] when the ''':ONLY''' option is used, in order to send screen output to the console window and get input from it too.
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** In normal [[$CONSOLE]] mode (dual screen) you have to manually set [[_DEST]] and [[_SOURCE]] to [[_CONSOLE]] in order to work with the console window.
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* [[_SCREENHIDE]] and [[_SCREENSHOW]] can be used to hide or show the main program window.
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* [[_DELAY]] or [[SLEEP]] can be used to allow the console window to be set in front of the main program window.
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* [[_CONSOLETITLE]] can be used to change the title of the console window.
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* '''Note:''' Text can be copied partially or totally from console screens in Windows by highlighting and using the title bar menu.
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:: To copy console text output, right click the title bar and select ''Edit'' for ''Mark'' to highlight and repeat to ''Copy''
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* QB64 [[Metacommand]]s are not commented out with ' or REM, differently from QBasic metacommands.
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{{PageExamples}}
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''Example 1:'' Hiding and displaying a console window. Use [[_DELAY]] to place console in front of main program window.
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{{CodeStart}} '' ''
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{{Cl|$CONSOLE}}
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{{Cl|_DELAY}} 4
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{{Cl|_CONSOLE}} OFF
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{{Cl|_DELAY}} 4
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{{Cl|_CONSOLE}} ON
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{{Cl|_DEST}} {{Cl|_CONSOLE}}
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{{Cl|PRINT}} "Close this console window or click main window and press a key!" '' ''
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{{CodeEnd}}
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''Example 2:'' How to use a Console window to copy screen output using the ''Edit'' menu by right clicking the console title bar.
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{{CodeStart}} '' ''
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{{Cl|$CONSOLE}}
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{{Cl|_DEST}} {{Cl|_CONSOLE}}
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c&& = -1: d& = -1: e% = -1: f%% = -1
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hx$ = {{Cl|HEX$}}(f%%)
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{{Cl|PRINT}} "Max hex {{Cl|_BYTE}} = "; hx$; " with"; {{Cl|LEN}}(hx$); "digits ="; {{Cl|VAL}}("{{Cl|&H}}" + hx$)
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hx$ = {{Cl|HEX$}}(e%)
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{{Cl|PRINT}} "Max hex {{Cl|INTEGER}} = "; hx$; " with"; {{Cl|LEN}}(hx$); "digits ="; {{Cl|VAL}}("{{Cl|&H}}" + hx$)
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hx$ = {{Cl|HEX$}}(d&)
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{{Cl|PRINT}} "Max hex {{Cl|LONG}} = "; hx$; " with"; {{Cl|LEN}}(hx$); "digits ="; {{Cl|VAL}}("{{Cl|&H}}" + hx$)
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hx$ = {{Cl|HEX$}}(c&&)
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{{Cl|PRINT}} "Max hex {{Cl|_INTEGER64}} = "; hx$; " with"; {{Cl|LEN}}(hx$); "digits ="; {{Cl|VAL}}("{{Cl|&H}}" + hx$)
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hx$ = {{Cl|HEX$}}(9223372036854775807)
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{{Cl|PRINT}} "Max {{Cl|_INTEGER64}} value = "; hx$; " with"; {{Cl|LEN}}(hx$); "digits"
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hx$ = {{Cl|HEX$}}(-9223372036854775808)
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{{Cl|PRINT}} "Min {{Cl|_INTEGER64}} value = "; hx$; " with"; {{Cl|LEN}}(hx$); "digits" '' ''
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{{CodeEnd}}
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{{OutputStart}}Max hex _BYTE = FF with 2 digits = 255
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Max hex INTEGER = FFFF with 4 digits = 65535
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Max hex LONG = FFFFFFFF with 8 digits = 4294967295
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Max hex _INTEGER64 = FFFFFFFFFFFFFFFF with 16 digits =-1
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Max _INTEGER64 value = 7FFFFFFFFFFFFFFF with 16 digits
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Min _INTEGER64 value = 8000000000000000 with 16 digits
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{{OutputEnd}}
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: ''Console:'' Right click and select ''Edit'' > ''Select All'' (mouse highlight after) then hit Enter or select ''Edit'' > ''Copy'' to the [[_CLIPBOARD$ (function)|clipboard]].
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{{TextStart}}Max hex _BYTE = FF with 2 digits = 255
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Max hex INTEGER = FFFF with 4 digits = 65535
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Max hex LONG = FFFFFFFF with 8 digits = 4294967295
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Max hex _INTEGER64 = FFFFFFFFFFFFFFFF with 16 digits =-1
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{{TextEnd}}
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:''Copied text:'' The above text was copied after ''Select All'' was selected and the smaller area was re-highlighted with the mouse.
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{{PageSeeAlso}}
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* [[_CONSOLE]]
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* [[$SCREENHIDE]], [[$SCREENSHOW]] (QB64 [[Metacommand]]s)
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* [[_SCREENHIDE]], [[_SCREENSHOW]]
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* [[C_Libraries#Console_Window|C Console Library]]
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{{PageNavigation}}
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