What does the sleep function do?

[learningtocode14]

can someone explain what the sleep function does.in this case here!

#include <windows.h>
#include <iostream>
#include <fstream>
using namespace std;

int main()
{
    int counter=0;
    ofstream myfile;
    myfile.open("basic.txt");
    while(true)
    {
        if(GetAsyncKeyState(VK_ESCAPE))
        {
            counter++;
            myfile <<"Escape : " <<counter;
            cout<<"Button pressed !"<<endl;
        }
        Sleep(100);
    }
    return 0;
}

[Athar]

http://msdn.microsoft.com/en-us/library/windows/desktop/ms686298%28v=vs.85%29.aspx

[learningtocode14]

does the sleep() function time in milli seconds?

[andywestken]

Did you not check out Athar's link?

From the MSDN entry

VOID WINAPI Sleep(
  __in  DWORD dwMilliseconds
);

[learningtocode14]

im just making sure...thanks o yea i would appreciate more help heres my code for some reason it wont compile im sorry im a noobie.

#include <windows.h>
#include <iostream>
#include <fstream>
using namespace std;

int main()
{
    int counter=0;
    ofstream myfile;
    myfile.open("please.txt");
    while(true)
    {
        if(GetAsyncKeyState(VK_ESCAPE))
        {
            counter++;
            myfile <<"Escape : " <<counter;
            cout<<"Button pressed !"<<endl;
            if(GetAsyncKeyState(VK_ENTER))
            {
            myfile <<"." << counter;
            }
        }
        Sleep(100);
    }
    return 0;
}

[Athar]

Error message? Line?

[learningtocode14]

ok,
in function 'int main()':
VK_ENTER' undeclared (first use this function)

[andywestken]

VK_ENTER should be VK_RETURN

[learningtocode14]

Thank you i found a website that list them.

http://msdn.microsoft.com/en-us/library/windows/desktop/dd375731%28v=vs.85%29.aspx