Problema de error de memoria al usar c para realizar la programación win32 "llamar dinámicamente a DLL"

La ventana correcta (ignore la línea de comentarios) #include?lt; windows.hgt;

#include?lt;tchar.hgt;

// #define?color?RGB(0,144,76)

LRESULT?CALLBACK?WndProc?(HWND,?UINT,?WPARAM,?LPARAM)?;?

void? );

INT32?iYX[2];

const?int WX=800;

const?int WY=600;

DWORD g_tPre=0, g_tNow=0;

HFONT hFont;

HPEN hPen;

INT32 i[2]={GetSystemMetrics?(? SM_CXSCREEN? )/2, GetSystemMetrics?(?SM_CYSCREEN?)/2};

HPEN hPenOld;

HWND hwnd?;

MSG msg={0 }? ;

WNDCLASS wndclass?;

HDC hdc?;?

PAINTSTRUCT ps?;

RECT rect?;

HDC hdc?; p>

PAINTSTRUCT paintStruct;

HBITMAP g_hBitmap=NULL;?

HDC g_mdc=NULL

BOOL id= false;

PUNTO?p;

int?WINAPI?WinMain?(HINSTANCE?hInstance,?HINSTANCE?hPrevInstance,PSTR?szCmdLine,?int?iCmdShow)

{

?static?TCHAR?szAppName[] =?TEXT?("HelloWin")?; wndclass.style =?CS_HREDRAW?|?CS_VREDRAW?;?

?wndclass.cbClsExtra =?0?;?

?wndclass.cbWndExtra =?0?;

?wndclass.hInstance =?hInstance?;

? wndclass.hIcon =?LoadIcon?(NULL,?IDI_APPLICATION)?;?

?wndclass.hCursor =?LoadCursor?(NULL,?IDC_ARROW)?;?

?wndclass. hbrBackground =?(HBRUSH)?GetStockObject?(WHITE_BRUSH)?;?

?wndclass.lpszMenuName =?NULL?;

?wndclass.lpszClassN

ame =?szAppName?;

?wndclass.hIcon =(HICON)::LoadImage(NULL, "icon.ico", IMAGE_ICON, 0, 0, LR_DEFAULTSIZE|LR_LOADFROMFILE);

if?(!RegisterClass?(amp; wndclass))

{?

MessageBox?(?NULL,?TEXT?("¡Ocurrió un error! ¡El programa requiere sistema Windows! ") ,?szAppName,?MB_ICONERROR)?;

return?0?;?

}

//SetCursorPos(GetSystemMetrics?(?SM_CXSCREEN?) /2 , GetSystemMetrics?(?SM_CYSCREEN?)/2);

hwnd?=CreateWindow

(?szAppName,?TEXT?(""),

WS_POPUP ?,

(GetSystemMetrics?(?SM_CXSCREEN?)/2)-150, (GetSystemMetrics?(?SM_CYSCREEN?)/2)-75,

300, 150,

NULL, ?NULL, ?hInstance, NULL);?

hdc?=GetDC(hwnd);

ShowWindow?(hwnd, ?iCmdShow )?;

UpdateWindow?(hwnd)?;?

while(?msg.message?!=?WM_QUIT?)

{

if (?PeekMessage(?amp;msg,?0,?0,?0,?PM_REMOVE?)?)

{

TranslateMessage(?amp;msg?

DispatchMessage(?amp;msg?

}

else

{