| ? Weird DRAW widget VALUE ? [message #14149] |
Wed, 27 January 1999 00:00 |
Peter Cornelius
Messages: 6
Registered: January 1999
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Junior Member |
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Re again...
With IDL 4.0.1 on Windoze95, I am trying to use some code like:
[...]
PRO PDMENU298_Event, Event
COMMON DRAW_Comm
CASE Event.Value OF
[...]
'DISPLAY.Display Mode.ROI': BEGIN
MESSAGE, 'Event for DISPLAY.Display Mode.ROI', /INFORMATIONAL
WSET, DRAW288_Id
WIDGET_CONTROL, DRAW288_Id, GET_VALUE=win
HELP, DRAW288_Id
HELP, win
ROI=CW_DEFROI(DRAW288_Id)
HELP, ROI
END
[...]
ENDCASE
END
[...]
But what I get is the following:
% PDMENU298_EVENT: Event for DISPLAY.Display Mode.ROI
DRAW288_ID (DRAW_COMM)
LONG = 32
WIN STRING = 'Display Mode'
% Compiled module: CW_DEFROI.
% Compiled module: CW_BGROUP.
% Type conversion error: Unable to convert
given STRING to Long.
% Detected at: CW_DEFROI 232
c:\progra~1\rsi\idl40\lib\cw_defro.pro
% Type conversion error: Unable to convert
given STRING to Long.
% Detected at: CW_DEFROI 242
c:\progra~1\rsi\idl40\lib\cw_defro.pro
% Type conversion error: Unable to convert
given STRING to Long.
% Detected at: CW_DEFROI 264
c:\progra~1\rsi\idl40\lib\cw_defro.pro
ROI LONG = -1
Now, I expect CW_DEFROI to be in order, what puzzles
me is that I get STRING as return, although the DRAW288_Id
is ok (it's in the COMMON DRAW_Comm block 8-S). In CW_DEFROI,
it hangs just at the lines
[...]
WIDGET_CONTROL, draw, GET_VALUE=win
WSET, win
[...]
which obviously doesn't work with a STRING. Is there anyone who
can give me a hint how this STRING could have gotten into
win?
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