C / C++ / MFC

shivditya wrote:

CWnd *cwnd,*cwnd1;
cwnd1 = cwnd->GetWindow(1);
CDC* pDC = cwnd1->GetDC();

UINT CMy5CYLINDERView::ThreadFunc(LPVOID pParam)
{
   YourWindow *wnd = (YourWindow *)pParam;// You should pass   the handle of the window as pParam 
   CDC* pDC = wnd->GetDC();
   wnd->eng->nextpos(pDC);
   return 0;

}

Hadi Dayvary wrote:

Hi
How can I get HWND from a process HANDLE?

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

Hadi Dayvary wrote:

So how to get process HANDLE from a HWND?

"The largest fire starts but with the smallest spark." - David Crow

BOOL CALLBACK EnumWindowsProc(HWND hWnd, LPARAM lParam)<br />
{<br />
EnumInfo info;<br />
DWORD pid;<br />
EnumWin * enumWin =<br />
reinterpret_cast(lParam);<br />
GetWindowThreadProcessId(hWnd, &pid);<br />
<br />
if (pid == enumWin->m_pid)<br />
{<br />
if(GetParent( hWnd ) == 0)<br />
{<br />
enumWin->m_found = TRUE;<br />
enumWin->m_hwnd = hWnd;<br />
AfxMessageBox("handle found!");<br />
return FALSE; <br />
// once found a matching HWND stop enum<br />
}<br />
}<br />
return TRUE; //keep on it<br />
}