SetBlitz3DHWND casts from into to HWD
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| I wrote a wrapper for livecode/runrev using the Blitz3D sdk some while back. In it I would call the function bbSetBlitz3DHWND(int hwndparent); I passed in the hwndparent as an integer and the SDK would draw to my livecode/runrev window no problem. Does anyone know how the SDK casts the hwndparent integer over to a proper HWND Type? I am asking this because in my new wrapper I need to create an openGL context on win32. I am still passing the hwndparent as an integer but I cant seem to cast it to an HWND (which of course I need to get the device context using GetDC(hwndparent). int intparent = 123456; // hwndparent as integer HWND hwndparent = (HWND)intparent; // cast to HWND type HDC context = GetDC(hwndparent); // GetDC() returns NULL here DWORD err = GetLastError(); // GetLastError() return "8" HRESULT res = HRESULT_FROM_WIN32(err); // this macro returns "res = 0x80070008 Not enough storage is available to process this command" Any insight as to how the SDK casts the HWND from int to HWND would be appreciated. Cheers |
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