1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef __cplusplus
#error Need C++ to compile
#endif
#define UNICODE
#define _UNICODE
#include <tchar.h>
#ifdef _MSC_VER
#pragma warning(push, 1)
#pragma warning(disable:4005)
#endif
#include <windows.h>
#include <shellapi.h>
#include <sqlext.h>
#ifdef _MSC_VER
#pragma warning(pop)
#endif
// the name of the library which contains the SQLManageDataSources function
#define ODBC_UI_LIB_NAME L"ODBCCP32.DLL"
// the signature of the SQLManageDataSources function
typedef SQLRETURN (SQL_API* TSQLManageDataSource) (SQLHWND hwndParent);
// displays the error text for the last error (GetLastError), and returns this error value
int displayLastError()
{
DWORD dwError = GetLastError();
LPVOID lpMsgBuf;
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM,
NULL,
dwError,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
(LPTSTR)&lpMsgBuf,
0,
NULL
);
// Display the string.
MessageBox( NULL, (LPCTSTR)lpMsgBuf, NULL, MB_OK | MB_ICONERROR );
// Free the buffer.
LocalFree( lpMsgBuf );
return dwError;
}
/** registers the window class for our application's main window
*/
BOOL registerWindowClass( HINSTANCE _hAppInstance )
{
WNDCLASSEX wcx;
wcx.cbSize = sizeof(wcx); // size of structure
wcx.style = CS_HREDRAW | CS_VREDRAW; // redraw if size changes
wcx.lpfnWndProc = DefWindowProc; // points to window procedure
wcx.cbClsExtra = 0; // no extra class memory
wcx.cbWndExtra = 0; // no extra window memory
wcx.hInstance = _hAppInstance; // handle to instance
wcx.hIcon = NULL; // predefined app. icon
wcx.hCursor = NULL; // predefined arrow
wcx.hbrBackground = NULL; // no background brush
wcx.lpszMenuName = NULL; // name of menu resource
wcx.lpszClassName = L"ODBCConfigMainClass"; // name of window class
wcx.hIconSm = NULL; // small class icon
return ( NULL != RegisterClassEx( &wcx ) );
}
/// initializes the application instances
HWND initInstance( HINSTANCE _hAppInstance )
{
HWND hWindow = CreateWindow(
L"ODBCConfigMainClass", // name of window class
L"ODBC Config Wrapper", // title-bar string
WS_OVERLAPPEDWINDOW, // top-level window
CW_USEDEFAULT, // default horizontal position
CW_USEDEFAULT, // default vertical position
CW_USEDEFAULT, // default width
CW_USEDEFAULT, // default height
(HWND) NULL, // no owner window
(HMENU) NULL, // use class menu
_hAppInstance, // handle to application instance
(LPVOID) NULL); // no window-creation data
// don't show the window, we only need it as parent handle for the
// SQLManageDataSources function
return hWindow;
}
// main window function
#ifdef __MINGW32__
extern "C" int APIENTRY WinMain( HINSTANCE _hAppInstance, HINSTANCE, LPSTR, int )
#else
extern "C" int APIENTRY _tWinMain( HINSTANCE _hAppInstance, HINSTANCE, LPTSTR, int )
#endif
{
if ( !registerWindowClass( _hAppInstance ) )
return FALSE;
HWND hAppWindow = initInstance( _hAppInstance );
if ( !IsWindow( hAppWindow ) )
return displayLastError();
HMODULE hModule = LoadLibraryW( ODBC_UI_LIB_NAME );
if ( hModule == NULL )
hModule = LoadLibraryExW( ODBC_UI_LIB_NAME, NULL, LOAD_WITH_ALTERED_SEARCH_PATH );
if ( hModule == NULL )
return displayLastError();
FARPROC pManageDSProc = GetProcAddress( hModule, "SQLManageDataSources" );
if ( pManageDSProc == NULL )
return displayLastError();
TSQLManageDataSource pManageDS = (TSQLManageDataSource)pManageDSProc;
if ( !( (*pManageDS)( hAppWindow ) ) )
return displayLastError();
FreeLibrary( hModule );
return 0;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
