리스트박스

#include <windows.h>

LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);
HINSTANCE g_hInst;
HWND hWndMain;
LPCTSTR lpszClass=TEXT("MyListBox");

int APIENTRY WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance
      ,LPSTR lpszCmdParam,int nCmdShow)
{
 HWND hWnd;
 MSG Message;
 WNDCLASS WndClass;
 g_hInst=hInstance;

 WndClass.cbClsExtra=0;
 WndClass.cbWndExtra=0;
 WndClass.hbrBackground=(HBRUSH)(COLOR_WINDOW+1);
 WndClass.hCursor=LoadCursor(NULL,IDC_ARROW);
 WndClass.hIcon=LoadIcon(NULL,IDI_APPLICATION);
 WndClass.hInstance=hInstance;
 WndClass.lpfnWndProc=WndProc;
 WndClass.lpszClassName=lpszClass;
 WndClass.lpszMenuName=NULL;
 WndClass.style=CS_HREDRAW | CS_VREDRAW;
 RegisterClass(&WndClass);

 hWnd=CreateWindow(lpszClass,lpszClass,WS_OVERLAPPEDWINDOW,
  CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,
  NULL,(HMENU)NULL,hInstance,NULL);
 ShowWindow(hWnd,nCmdShow);

 while (GetMessage(&Message,NULL,0,0)) {
  TranslateMessage(&Message);
  DispatchMessage(&Message);
 }
 return (int)Message.wParam;
}

#define ID_LISTBOX 100
TCHAR *Items[]={TEXT("Apple"),TEXT("Orange"),TEXT("Melon"),TEXT("Grape"),
TEXT("Strawberry"),TEXT("감")};//   <<<추가하고자할때 TEXT("내용")추가
HWND hList;
LRESULT CALLBACK WndProc(HWND hWnd,UINT iMessage,WPARAM wParam,LPARAM lParam)
{
 int i;
 TCHAR str[128];
 switch (iMessage) {
 case WM_CREATE:
  hList=CreateWindow(TEXT("listbox"),NULL,WS_CHILD | WS_VISIBLE | WS_BORDER |
   LBS_NOTIFY,10,10,100,200,hWnd,(HMENU)ID_LISTBOX,g_hInst,NULL);
  //LBS_NOTIFY: 사용자가 목록중 하나를 선택했을때 부모윈도우로 통지 메세지를 보낸다
  for (i=0;i<6;i++) {//추가하고자할때 루프수 증가
   SendMessage(hList,LB_ADDSTRING,0,(LPARAM)Items[i]);
   //LB_ADDSTRING 리스트 박스에 항목을 추가한다lPram으로 추가하고자하는 문자열의 번지를 넘겨준다
  }
  return 0;
 case WM_COMMAND:
  switch (LOWORD(wParam)) { 
 case ID_LISTBOX:   
  switch (HIWORD(wParam)) {//상위비트
 case LBN_SELCHANGE:  //사용자에 의해 선택변경
  i=SendMessage(hList, LB_GETCURSEL,0,0);// 현제 선택된걸달라 GET CURRENT SELECT
  SendMessage(hList, LB_GETTEXT, i, (LPARAM)str);//(i 반환 값)
  SendMessage(hList, LB_DELETESTRING, i, (LPARAM)str);
  //LB_DELETESTRING: 선택된걸 지워줌 wParam으로 항목의 번호를 넘겨주며 남은항목수를 리턴한다.
  SetWindowText(hWnd, str);// 선택된걸 보여주기 위해서
  break;
  }
  }
  return 0;
 case WM_DESTROY:
  PostQuitMessage(0);
  return 0;
 }
 return(DefWindowProc(hWnd,iMessage,wParam,lParam));
}