windows系统调用 获取当前内存信息

 1 #include "iostream"
 2 #include "windows.h"
 3 #include "shlwapi.h"
 4 #include  "iomanip"
 5 #pragma comment(lib,"shlwapi.lib")
 6 using namespace std;
 7 
 8 void main(){
 9     SYSTEM_INFO si;
10     ZeroMemory(&si,sizeof(si));
11     GetSystemInfo(&si);
12 
13     TCHAR szPageSize[MAX_PATH];
14     StrFormatByteSize(si.dwPageSize,szPageSize,MAX_PATH);
15     
16     DWORD dwMemSize=(DWORD)si.lpMaximumApplicationAddress-(DWORD)si.lpMinimumApplicationAddress;
17     TCHAR szMemSize[MAX_PATH];
18     StrFormatByteSize(dwMemSize,szMemSize,MAX_PATH);
19 
20     cout<<"Virtual memory page size:"<<szPageSize<<endl;
21     cout.fill(‘0‘);
22     cout<<"Minimum application address:0x"
23         <<hex
24         <<setw(8)
25         <<(DWORD)si.lpMinimumApplicationAddress
26         <<endl;
27     cout<<"Maximum application address:0x"
28         <<hex<<setw(8)
29         <<(DWORD)si.lpMaximumApplicationAddress
30         <<endl;
31 
32     cout<<"Total available virtual memory:"
33         <<szMemSize<<endl;
34 
35     getchar();
36 }