BUG: SETWINDOWCONFIG Returns an Invalid Configuration

• Microsoft FORTRAN PowerStation 32 for Windows NT, version 1.0 and 4.0

SYMPTOMS

The SETWINDOWCONFIG() function does not create a valid window configuration record. The second call to SETWINDOWCONFIG() fails, even though the online Help says that SETWINDOWCONFIG() is supposed to modify the window configuration so that the next call will succeed.

RESOLUTION

Each time SETWINDOWCONFIG() is called and fails, it makes adjustments to the window configuration record. If SETWINDOWCONFIG() is called enough times, it will eventually succeed.

NOTE: Under FORTRAN PowerStation 32, version 4.0, the call to SETWINDOWCONFIG() never succeeds.

STATUS

Microsoft has confirmed this to be a bug in the products listed at the beginning of this article. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.

MORE INFORMATION

To demonstrate this problem, compile and run the sample code below. Both the first and second calls to SETWINDOWCONFIG() generate a window configuration record that is not consistent. For example, the number of pixels needed in X (106) does not equal the number of text rows (13) times the row width (8). Even with these inconsistencies, the third call does succeed.

Sample Code

C compile options required: /MW or /MWs

      include 'flib.fi'
      include 'fgraph.fi'
      include 'flib.fd'
      include 'fgraph.fd'

      record /windowconfig/ wc

      wc.numxpixels=-1
      wc.numypixels=-1
      wc.numtextcols=1
      wc.numtextrows=1
      wc.numcolors=-1
      wc.fontsize=-1

      print *, 'Success? ',setwindowconfig(wc)
      print *, 'numxpixels',wc.numxpixels
      print *, 'numypixels',wc.numypixels
      print *, 'numtextcols',wc.numtextcols
      print *, 'numtextrows',wc.numtextrows
      print '(A,Z8)', ' Font size: ',wc.fontsize
      print *, 'Success? ',setwindowconfig(wc)
      print *, 'numxpixels',wc.numxpixels
      print *, 'numypixels',wc.numypixels
      print *, 'numtextcols',wc.numtextcols
      print *, 'numtextrows',wc.numtextrows
      print '(A,Z8)', ' Font size: ',wc.fontsize
      print *, 'Hit return to continue'
      read *
      print *, 'Success? ',setwindowconfig(wc)

      END