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4.2 Close VGA window. <Main,Win>
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[Name]
vwin_close
[Syntax]
#include <crt.h>
int vwin_close( unsigned int widx ) ;
[Arguments]
widx VGA window index. (=0,1)
[Return]
0 Successful.
Non-0 Error. (one of the following cases)
- The window specified by "widx" is not opened.
[Description]
Closes the opened VGA window.
The contents of characters and graphics in the window are destroyed.
If the other VGA window is opened, that window is selected.
When all VGA windows are closed in the main task, the base screen
(ordinary screen) is selected.