DOCUMENT:Q94607 04-JUL-1999 [win16sdk] TITLE :PRB: MULTIPAD Sample from Win 3.1 SDK Gives Printing Error PRODUCT :Microsoft Windows Software Development Kit PROD/VER:WINDOWS:3.1 OPER/SYS: KEYWORDS:kb16bitonly _IK kbSDKWin16 ====================================================================== 3.10 WINDOWS kbprg kbprb ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows Software Development Kit (SDK) 3.1 ------------------------------------------------------------------------------- SYMPTOMS ======== The MULTIPAD sample that ships with the Microsoft Windows version 3.1 SDK allows only one print job to be sent to the printer. Any further attempts to print result in the following error: Cannot print ! The document is not printed, and you must re-start MULTIPAD to do any printing. CAUSE ===== The PRINTDLG data structure used for printing is a global variable, and two members of this structure are invalid after the first print job is sent. These members are not properly initialized for subsequent print jobs. RESOLUTION ========== In the MPPRINT.C file, in the GetPrinterDC() routine, the following lines: if (pd.hDevNames) GlobalFree(pd.hDevNames); if (pd.hDevMode) GlobalFree(pd.hDevMode); should be changed to: if (pd.hDevNames) { GlobalFree(pd.hDevNames); pd.hDevNames=NULL; } if (pd.hDevMode) { GlobalFree(pd.hDevMode); pd.hDevMode=NULL; } STATUS ====== This behavior is by design. Additional query words: 3.10 ====================================================================== Keywords : kb16bitonly _IK kbSDKWin16 Technology : kbAudDeveloper kbWin3xSearch kbSDKSearch kbWinSDKSearch kbWinSDK310 Version : WINDOWS:3.1 Issue type : kbprb ============================================================================= 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 1999.