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术语 getperformanceinfo
释义 GetPerformanceInfo
语法:
C++
BOOL WINAPI GetPerformanceInfo(
__out PPERFORMANCE_INFORMATION pPerformanceInformation,
__in DWORD cb
);
GetPerformanceInfo功能
检索性能值的PERFORMANCE_INFORMATION结构中。
参数
pPerformanceInformation [out]
一个 PERFORMANCE_INFORMATION结构,接收性能信息的指针。
文件 [in]
该PERFORMANCE_INFORMATION结构的大小,以字节为单位。
返回值
如果函数成功,返回值为TRUE。如果函数失败,返回值为FALSE。为了获得更多错误信息,调用GetLastError。
备注
与PSAPI版本的Windows 7和Windows Server 2008 R2的2起,这个函数被定义为K32GetPerformanceInfo在Psapi.h和Kernel32.lib和Kernel32.dll出口。但是,您应该始终作为GetPerformanceInfo调用这个函数。为了确保对程序将运行在Windows的早期版本的符号的正确决议,添加Psapi.lib到TARGETLIBS宏和编译程序与- DPSAPI_VERSION = 1。
要求:
最低支持client-Windows XP
最低支持serverWindows服务器2003
HeaderPsapi.h
LibraryKernel32.lib在Windows 7和Windows Server 2008 R2的Psapi.lib在Windows Server 2008,Windows Vista中的Windows Server 2003,和Windows XP/2000
DLLKernel32.dll在Windows 7和Windows Server 2008 R2的Psapi.dll在Windows Server 2008,Windows Vista中的Windows Server 2003,和Windows XP/2000
参见
内存性能信息
PERFORMANCE_INFORMATION
PSAPI函数
如果有任何问题和意见,请发送给微软(wsddocfb@microsoft.com)
生成日期:2009年8月27日
==英文原文==GetPerformanceInfo Function
Retrieves the performance values contained in the PERFORMANCE_INFORMATION structure.
Syntax
C++
BOOL WINAPI GetPerformanceInfo(
__out PPERFORMANCE_INFORMATION pPerformanceInformation,
__in DWORD cb
);
Parameters
pPerformanceInformation [out]
A pointer to a PERFORMANCE_INFORMATION structure that receives the performance information.
cb [in]
The size of the PERFORMANCE_INFORMATION structure, in bytes.
Return Value
If the function succeeds, the return value is TRUE. If the function fails, the return value is FALSE. To get extended error information, call GetLastError .
Remarks
Starting with PSAPI version 2 for Windows 7 and Windows Server 2008 R2, this function is defined as K32GetPerformanceInfo in Psapi.h and exported in Kernel32.lib and Kernel32.dll. However, you should always call this function as GetPerformanceInfo. To ensure correct resolution of symbols for programs that will run on earlier versions of Windows, add Psapi.lib to the TARGETLIBS macro and compile the program with –DPSAPI_VERSION=1.
Requirements
Minimum supported clientWindows XP
Minimum supported serverWindows Server 2003
HeaderPsapi.h
LibraryKernel32.lib on Windows 7 and Windows Server 2008 R2, Psapi.lib on Windows Server 2008, Windows Vista, Windows Server 2003, and Windows XP/2000
DLLKernel32.dll on Windows 7 and Windows Server 2008 R2, Psapi.dll on Windows Server 2008, Windows Vista, Windows Server 2003, and Windows XP/2000
See Also
Memory Performance Information
PERFORMANCE_INFORMATION
PSAPI Functions
Send comments about this topic to Microsoft
Build date: 8/27/2009
==原始网址==http://msdn.microsoft.com/en-us/library/ms683210(VS.85).aspx\n
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