shellapi.h(55) : error C2065: 'HDROP' : undeclared identifier

C6.0编译器错误提示：

--------------------Configuration: For APIspy - Win32 Release--------------------
Compiling...
For APIspy.cpp
C:\Program Files\Microsoft Visual Studio\VC98\INCLUDE\shellapi.h(55) : error C2065: 'HDROP' : undeclared identifier
C:\Program Files\Microsoft Visual Studio\VC98\INCLUDE\shellapi.h(55) : error C2501: 'DECLARE_HANDLE' : missing storage-class or type specifiers
C:\Program Files\Microsoft Visual Studio\VC98\INCLUDE\shellapi.h(57) : error C2146: syntax error : missing ';' before identifier 'DECLSPEC_IMPORT'
C:\Program Files\Microsoft Visual Studio\VC98\INCLUDE\shellapi.h(57) : error C2501: 'EXTERN_C' : missing storage-class or type specifiers
C:\Program Files\Microsoft Visual Studio\VC98\INCLUDE\shellapi.h(57) : fatal error C1004: unexpected end of file found
执行 cl.exe 时出错.

 

原因、解决方案：

使用shellapi.h的函数(如ShellExecute函数等)时,记得还要include windows.h头：

Code

1 #include <WINDOWS.H>
2 #include <shellapi.h>
3 
4 #pragma comment(lib, "shell32.lib")