c语言如何让窗口强制全屏,怎么用代码控制C源程序运行时窗口是全屏的?

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#include

LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM); /* Declare Windows procedure */

char szClassName[ ] = "WindowsApp"; /* Class Name */

int WINAPI WinMain(HINSTANCE hThisInstance,

HINSTANCE hPrevInstance,

LPSTR lpszArgument,

int nFunsterStil)

{

HWND hwnd; /* This is the handle for our window */

MSG messages; /* Here messages to the application are saved */

WNDCLASSEX wincl; /* Data structure for the windowclass */

/* The WNDCLASSEX structure */

wincl.hInstance = hThisInstance;

wincl.lpszClassName = szClassName;

wincl.lpfnWndProc = WndProc; /* This function is called by windows */

wincl.style = CS_DBLCLKS; /* Catch double-clicks */

wincl.cbSize = sizeof(WNDCLASSEX);

wincl.hIcon = LoadIcon(NULL, IDI_APPLICATION);

wincl.hIconSm = LoadIcon(NULL, IDI_APPLICATION);

wincl.hCursor = LoadCursor(NULL, IDC_ARROW);

wincl.lpszMenuName = NULL; /* No menu */

wincl.cbClsExtra = 0;

wincl.cbWndExtra = 0;

wincl.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);

/* Register the window class, if fail quit the program */

if(!RegisterClassEx(&wincl)) return 0;

/* The class is registered, create the window*/

hwnd = CreateWindowEx(

0,

szClassName,

"Simple Windows App",

WS_OVERLAPPEDWINDOW,

CW_USEDEFAULT,

CW_USEDEFAULT,

CW_USEDEFAULT,

CW_USEDEFAULT,

HWND_DESKTOP,

NULL,

hThisInstance,

NULL

);

/* Make the window visible on the screen */

ShowWindow(hwnd, nFunsterStil);

/* Run the message loop. It will run until GetMessage( ) returns 0 */

while(GetMessage(&messages, NULL, 0, 0))

{

TranslateMessage(&messages);

DispatchMessage(&messages);

}

/* The program return-value is 0 - The value that PostQuitMessage( ) gave */

return messages.wParam;

}

/* This function is called by the Windows function DispatchMessage( ) */

LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)

{

switch (message) /* handle the messages */

{

case WM_DESTROY:

PostQuitMessage(0); /* send a WM_QUIT to the message queue */

break;

default: /* for messages that we don't deal with */

return DefWindowProc(hwnd, message, wParam, lParam);

}

printf("wo ai ni");

return 0;

}