如何判断windows动态链接库是32还是64位
从 http://www.cnblogs.com/conorpai/p/6393120.html 转载而来
如果安装过Visual Studio的话，直接打开一个VS提供的控制台窗口，比如VS2012 x64 Native Tools Command Prompt.
用下面的命令查看程序的头部信息：“dumpbin /HEADERS dll路径”
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 gdal_1.8_rtc>dumpbin /HEADERS gdal18.dll Microsoft (R) COFF/PE Dumper Version 11.00.60610.1 Copyright (C) Microsoft Corporation. All rights reserved. Dump of file gdal18.dll PE signature found File Type: DLL FILE HEADER VALUES 8664 machine (x64) 6 number of sections 52130233 time date stamp Tue Aug 20 13:44:19 2013 0 file pointer to symbol table 0 number of symbols F0 size of optional header 2022 characteristics Executable Application can handle large (>2GB) addresses DLL gdal_1.8_rtc>dumpbin /HEADERS gdal18.dll Microsoft (R) COFF/PE Dumper Version 11.00.60610.1 Copyright (C) Microsoft Corporation. All rights reserved. Dump of file gdal18.dll PE signature found File Type: DLL FILE HEADER VALUES 8664 machine (x64) 6 number of sections 52130233 time date stamp Tue Aug 20 13:44:19 2013 0 file pointer to symbol table 0 number of symbols F0 size of optional header 2022 characteristics Executable Application can handle large (>2GB) addresses DLL