Difference between revisions of "WEXIST()"
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==Class== | ==Class== | ||
Screen Windows | Screen Windows | ||
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<code lang="recital"> | <code lang="recital"> | ||
define window browse; | define window browse; | ||
| − | from 2,2 to 12,43; | + | from 2,2 to 12,43; |
| − | title "BROWSE Window"; | + | title "BROWSE Window"; |
| − | color n/bg; | + | color n/bg; |
| − | float; | + | float; |
| − | shadow | + | shadow |
activate window browse | activate window browse | ||
?wexist("browse") | ?wexist("browse") | ||
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[[Category:Documentation]] | [[Category:Documentation]] | ||
[[Category:Functions]] | [[Category:Functions]] | ||
| + | [[Category:Screen Windows]] | ||
| + | [[Category:Screen Windows Functions]] | ||
Revision as of 15:30, 1 June 2009
Class
Screen Windows
Purpose
Function to check for the definition of the specified window
Syntax
WEXIST(<window-name>)
See Also
ACTIVATE SCREEN, ACTIVATE WINDOW, CLEAR WINDOWS, DEACTIVATE WINDOW, DEFINE WINDOW, HIDE WINDOW, MOVE WINDOW, MODIFY MEMO, RELEASE WINDOWS, RESIZE WINDOW, RESTORE WINDOW, SAVE WINDOW, SHOW WINDOW, SET COMMANDWINDOW, SET ERRORWINDOW, SET STATUS, SET TRACEWINDOW, SET WINDOW OF EDIT, SET WINDOW OF MEMO, WCOLS(), WROWS(), WVISIBLE(), WONTOP(), WOUTPUT()
Description
The WEXIST() function returns .T. if the specified <window-name> has been previously defined, otherwise .F.. A window is an area of the screen designated for output and input. Windows are defined with the DEFINE WINDOW command and are activated with the ACTIVATE window command. There is no limit to the number of defined windows.
Example
define window browse; from 2,2 to 12,43; title "BROWSE Window"; color n/bg; float; shadow activate window browse ?wexist("browse") .T.
Products
Recital Mirage Server, Recital Terminal Developer
