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Unwanted _screen clearing
Message
From
11/06/2003 09:23:48
 
 
To
11/06/2003 09:15:49
General information
Forum:
Visual FoxPro
Category:
Troubleshooting
Miscellaneous
Thread ID:
00798388
Message ID:
00798870
Views:
34
Thanks Jim, but one in a hundred times it does not work. Also, the screen flash is VERY undersirable, as the goal here is for the user to not notice anything is happening to the screen at all since this is in an attempt to workaround the bug where if you change your screen colors and print using @...say it uses the screen colors when you print. To avoid that, I have to change the screen colors to black on white while printing and then set it back. However, if I have information on the screen itself when this happens it gets wiped out when the lockscreen=.f. is issued and the restore screen does not always seem to work...


>Try replacing your WAIT WINDOW command with
>
>
>WAIT "" time .01
>
>
>or (if in VFP8)
>
>
>DOEVENTS FORCE
>
>
>>This works, but I cannot have a wait window and display a white screen in the process of waiting for the user to press a key...
>>
>>
>>set COLOR TO gr+/r, g/w+
>>glfontname=_screen.fontname
>>glfontsize=_screen.fontsize
>>cOldbackcolor=_screen.backcolor
>>coldforecolor=_screen.forecolor
>>coldfillcolor=_screen.fillcolor
>>clear
>>@10,10 say "this is line 1"
>>@12,10 say "this is line 2"
>>#IF "VISUAL" $ UPPER(VERSION())
>>	IF TYPE('printscr')="U"
>>		PUBLIC printscr
>>	ENDIF
>>	ACTIVATE SCREEN
>>	SAVE SCREEN TO printscr
>>	_screen.lockscreen=.t.
>>	_Screen.BackColor = RGB(255,255,255)
>>	_Screen.ForeColor = RGB(0,0,0)		
>>	_Screen.FillColor = RGB(255,255,255)	
>>	_screen.refresh
>>	ACTIVATE SCREEN
>>#ENDIF
>>
>>*redraw screen as it was
>>#IF 'VISUAL' $ UPPER(VERSION())
>>
>>	DECLARE Sleep IN Win32API;
>>	  		INTEGER nMilliseconds
>>	= Sleep(100) && Wait a 1/10th of a second.
>>
>>	ACTIVATE SCREEN
>>
>>	* TCH 7/10/2002 Added
>>		
>>	WITH _screen
>>*		.lockscreen=.T.
>>		.fontname=glFontName
>>		.fontsize=glFontSize
>>		.fontunderline=.f.
>>		.fontbold=.f.
>>		.BackColor = cOldbackcolor
>>		.ForeColor = cOldforecolor
>>		.FillColor = cOldfillcolor
>>	ENDWITH
>>
>>	_SCREEN.lockscreen=.F.
>>	
>>	WAIT WINDOW "Press anykey..."
>>
>>	IF TYPE('printscr')!="U"
>>		ACTIVATE SCREEN
>>		RESTORE SCREEN FROM printscr
>>	ENDIF
>>
>>	CLEAR DLLS "sleep"
>>	
>>
>>#ENDIF
>>
>>RETURN
>>
.·*´¨)
.·`TCH
(..·*

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