huidong

#include <windows.h>

#define IDC_BTN 103
#define IDC_EDIT 104
#define IDC_TEXT 105

WNDCLASSEX WndClassEx;
wchar_t pszClassName[] = L"My Class Name";
HWND hWnd;//窗口句柄
MSG Msg;//消息结构体

LRESULT CALLBACK WndProc(
    HWND hwnd,
    UINT message,
    WPARAM wParam,
    LPARAM lParam
)
{
    PAINTSTRUCT ps;
    HPEN hp;
    HDC hdc;
    RECT rect;

    //button
    static HWND hBtn = NULL;
    //edit
    static HWND hEdit = NULL;
    //text
    static HWND hText = NULL;

    switch (message)
    {
    case WM_CREATE:

        hText = CreateWindow(L"static", L"your name",
            WS_CHILD | WS_VISIBLE | SS_LEFT,
            50, 50, 80, 20,
            hwnd, (HMENU)IDC_TEXT, WndClassEx.hInstance, NULL);

        hEdit = CreateWindow(L"edit", L" ",
            WS_CHILD | WS_VISIBLE | ES_LEFT | WS_BORDER,
            130, 50, 200, 20,
            hwnd, (HMENU)IDC_EDIT, WndClassEx.hInstance, NULL);

        hBtn = CreateWindow(L"button", L"start game",
            WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
            330, 50, 100, 20,
            hwnd, (HMENU)IDC_BTN, WndClassEx.hInstance, NULL);

        break;
    case WM_CLOSE:
        DestroyWindow(hwnd);
        PostQuitMessage(NULL);
        break;

    case WM_PAINT:
        hdc = BeginPaint(hwnd, &ps);
        GetClientRect(hwnd, &rect);
        DrawText(hdc, L"a example by huidong", -1, &rect, DT_CENTER | DT_VCENTER | DT_SINGLELINE);

        EndPaint(hwnd, &ps);
        break;

    case WM_COMMAND: //ctrls message
        switch (LOWORD(wParam))
        {
            //when chick the button
        case IDC_BTN:
        {
            //save edit ctrl text
            wchar_t chEditCtrlText[512] = { 0 };
            //get edit ctrl text
            GetWindowText(hEdit, chEditCtrlText, 512);
            //show text.
            MessageBox(NULL, chEditCtrlText, L"your name", MB_OK);
        }
        break;
        }
        break;

    default:
        return DefWindowProc(hwnd, message, wParam, lParam);
        break;
    }
    return 0;
}

int WINAPI WinMain(HINSTANCE hThisInst,
    HINSTANCE hPrevInst,
    LPSTR lpszCmdLine,
    int nCmdShow)
{
    //填写结构体
    WndClassEx.cbSize = sizeof(WNDCLASSEX);
    WndClassEx.style = CS_VREDRAW | CS_HREDRAW;
    WndClassEx.lpfnWndProc = WndProc;
    WndClassEx.cbClsExtra = 0;
    WndClassEx.cbWndExtra = 0;
    WndClassEx.hInstance = hThisInst;
    WndClassEx.hIcon = LoadIcon(NULL, IDI_APPLICATION);
    WndClassEx.hCursor = LoadCursor(NULL, IDC_ARROW);
    WndClassEx.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
    WndClassEx.lpszMenuName = NULL;
    WndClassEx.lpszClassName = pszClassName;
    WndClassEx.hIconSm = NULL;

    //注册窗口类
    RegisterClassEx(&WndClassEx);

    //创建窗口
    hWnd = CreateWindowEx(WS_EX_WINDOWEDGE, pszClassName, L"which is the best title ?", WS_OVERLAPPEDWINDOW, 200, 200, 500, 300, NULL, NULL, hThisInst, NULL);

    //显示窗口
    ShowWindow(hWnd, SW_SHOWNORMAL);

    //更新窗口
    UpdateWindow(hWnd);

    //循环获得消息
    while (GetMessage(&Msg, NULL, NULL, NULL))
    {
        TranslateMessage(&Msg);
        DispatchMessage(&Msg);
    }
    return Msg.wParam;
}