ID Number: Q80866
1.00
WINDOWS
buglist1.00
Summary:
In the Microsoft Visual Basic Professional Toolkit for Windows version
1.0, using the Instant Change Scroll Bar custom control, you will
receive an "Unrecoverable Application Error" (UAE) when placing a Drag
event in the Change event procedure or the Changing event procedure.
The steps shown further below reproduce the problem.
Microsoft has confirmed this to be a problem in Microsoft Professional
Toolkit for Microsoft Visual Basic programming system version 1.0 for
Windows. We are researching this problem and will post new information
here as it becomes available.
More Information:
Steps to Reproduce Problem
--------------------------
Note: This code causes a UAE, which could end your Windows session.
Make sure you save everything you want to before testing this example.
1. In the Visual Basic 1.0 programming environment, choose Add File
from the File menu, and select the INSTSCRL.VBX custom control. The
Instant Scroll Bar tools will appear in the Toolbox.
2. Select either the horizontal or vertical Instant Change Scroll Bar
tool, and place a scroll bar on the form.
3. Press the F7 function key or double-click on the Instant Change
Scroll Bar to bring up the Code window for the control. Add
the following code to the Change event or Changing event procedure:
' InstVScroll1 can be substituted for InstHScroll1
Sub InstHScroll1_Change ( )
InstHScroll1.Drag 1
End Sub
-or-
' InstVScroll1 can be substituted for InstHScroll1
Sub InstHScroll1_Changing ( )
InstHScroll1.Drag 1
End Sub
4. From the Run menu, choose Start to run the example.
5. Click on the right scroll arrow and pause. A UAE will occur.
Additional reference words: 1.00