reactos/dll/cpl/odbccp32/odbccp32.c

   1 /*
   2  * PROJECT:         ReactOS ODBC Control Panel Applet
   3  * FILE:            dll/cpl/main/main.c
   4  * PURPOSE:         applet initialization
   5  * PROGRAMMER:      Johannes Anderwald
   6  */
   7
   8 #include "odbccp32.h"
   9
  10 HINSTANCE hApplet = NULL;
  11 APPLET_PROC ODBCProc = NULL;
  12 HMODULE hLibrary = NULL;
  13
  14
  15 LONG
  16 CALLBACK
  17 CPlApplet(HWND hwndCpl,
  18           UINT uMsg,
  19           LPARAM lParam1,
  20           LPARAM lParam2)
  21 {
  22     switch (uMsg)
  23     {
  24         case CPL_INIT:
  25             return TRUE;
  26
  27         case CPL_DBLCLK:
  28         {
  29             if (ODBCProc == NULL)
  30             {
  31                 TCHAR szBuffer[MAX_PATH];
  32
  33                 if (ExpandEnvironmentStrings(_T("%systemroot%\\system32\\odbccp32.dll"),
  34                                              szBuffer,
  35                                              sizeof(szBuffer) / sizeof(TCHAR)) > 0)
  36                 {
  37                     hLibrary = LoadLibrary(szBuffer);
  38                     if (hLibrary)
  39                     {
  40                         ODBCProc = (APPLET_PROC)GetProcAddress(hLibrary, "ODBCCPlApplet");
  41                     }
  42                 }
  43             }
  44
  45             if (ODBCProc)
  46             {
  47                 return ODBCProc(hwndCpl, uMsg, lParam1, lParam2);
  48             }
  49             else
  50             {
  51                 if (hLibrary)
  52                 {
  53                     FreeLibrary(hLibrary);
  54                 }
  55
  56                 TerminateProcess(GetCurrentProcess(), -1);
  57                 return (LONG)-1;
  58             }
  59         }
  60     }
  61
  62     return FALSE;
  63 }
  64
  65
  66 BOOL
  67 WINAPI
  68 DllMain(HINSTANCE hinstDLL,
  69         DWORD dwReason,
  70         LPVOID lpReserved)
  71 {
  72     INITCOMMONCONTROLSEX InitControls;
  73     UNREFERENCED_PARAMETER(lpReserved);
  74
  75     switch(dwReason)
  76     {
  77         case DLL_PROCESS_ATTACH:
  78         case DLL_THREAD_ATTACH:
  79         {
  80             InitControls.dwSize = sizeof(INITCOMMONCONTROLSEX);
  81             InitControls.dwICC = ICC_LISTVIEW_CLASSES | ICC_UPDOWN_CLASS | ICC_BAR_CLASSES;
  82             InitCommonControlsEx(&InitControls);
  83
  84             hApplet = hinstDLL;
  85             break;
  86         }
  87     }
  88
  89     return TRUE;
  90 }