DOCUMENT:Q190505 07-AUG-1998 [vbwin] TITLE :BUG: Passing a Double Variable Causes Overflow Error in IDE PRODUCT :Microsoft Visual Basic for Windows PROD/VER: OPER/SYS:WINDOWS KEYWORDS: ====================================================================== --------------------------------------------------------------------- The information in this article applies to: - Microsoft Visual Basic Learning, Professional, and Enterprise Editions for Windows, versions 5.0, 6.0 --------------------------------------------------------------------- SYMPTOMS ======== If you pass a variable of type Double as a single argument to a sub or function, you may get the following error when you run the project in the design environment: Run-time error "6" Overflow However, when you compile the project and run it as a standalone executable, no overflow error is reported. STATUS ====== Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article. We are researching this bug and will post new information here in the Microsoft Knowledge Base as it becomes available. MORE INFORMATION ================ Steps to Reproduce Behavior --------------------------- 1. Create a Standard EXE project in Visual Basic. Form1 is created by default. 2. Paste the following code into the code window of Form1: Private Sub Form_Load() Dim v As Double v = CDbl(3.1E+50) Test v End Sub Sub Test(ByVal X As Single) MsgBox X End Sub 3. Press the F5 key to run the project. You get the following error message: Run-time error "6" Overflow 4. Compile the executable by clicking File, Make Project1.exe. 5. Run the executable. Note that no overflow error is reported. Instead it prints out "1#.INF." Additional query words: kbdss kbDSupport kbVBp kbVBp600bug kbNoKeyWord ====================================================================== Platform : WINDOWS Issue type : kbbug ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 1998.