Re: C2275: illegal use of this type as an expression? It's a DWORD?

Wed, 4 Jun 2014 05:47:30 -0700 (PDT)
6 Haziran 2007 =C3=87ar=C5=9Famba 04:02:22 UTC+3 tarihinde
m yazd=C4=B1:

I'm trying out some of the sample code on Raymond Chen's blog:
Unfortunately I can't get the following snippet of code to compile:
void OnPaint(HWND hwnd)
    BeginPaint(hwnd, &ps);
    if (!IsRectEmpty(&ps.rcPaint))
        // compute time to next update - we update once a second
        SYSTEMTIME st;
        DWORD dwTimeToNextTick = 1000 - st.wMilliseconds;
        SetTimer(hwnd, 1, dwTimeToNextTick,
    EndPaint(hwnd, &ps);
Here is the compiler output:
error C2275: 'DWORD' : illegal use of this type as an expression see
declaration of 'DWORD'
error C2146: syntax error : missing ';' before identifier
error C2065: 'dwTimeToNextTick' : undeclared identifier
I'm using the Win32 project template in VS 2005.
Any ideas?

Now if it's C you cannot declare veriables in the middle of function.

for example

void somethin(int decision)
    if(decision != 0) return;
    HANDLE g_create = CreateFile(BLAHBLAHBLAH);


it doesn't work but if you do like this

void somethin(int decision)
    HANDLE g_create = CreateFile(BLAHBLAHBLAH);
    if(decision != 0) return;


it will work,its difrences between c and c++

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