#define _CRT_SECURE_NO_WARNINGS
#include <windows.h>
#include <tchar.h>
#include <stdio.h>

HINSTANCE g_hInst;
LPCTSTR lpszClass = TEXT("Window class Name");
LPCTSTR lpszWindowName = TEXT("windows program 2-1");

LRESULT CALLBACK WndProc(HWND hWND, UINT Umsg, WPARAM wParam, LPARAM IParam);

int WINAPI WinMain(HINSTANCE  hInstance, HINSTANCE hPrevlnstance, LPSTR lpszCmdParam, int nCmdShow)
{
 HWND hWnd;
 MSG Message;
 WNDCLASSEX WndClass;
 g_hInst = hInstance;

 WndClass.cbSize = sizeof(WndClass);
 WndClass.style = CS_HREDRAW | CS_VREDRAW;
 WndClass.lpfnWndProc = (WNDPROC)WndProc;
 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.lpszClassName = lpszClass;
 WndClass.hIconSm = LoadIcon(NULL, IDI_APPLICATION);

 RegisterClassEx(&WndClass);

 hWnd = CreateWindow(lpszClass, lpszWindowName, WS_OVERLAPPED | WS_SYSMENU, 0, 0, 800, 600, NULL, (HMENU)NULL, hInstance, NULL);

 ShowWindow(hWnd, nCmdShow);
 UpdateWindow(hWnd);

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

LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
 PAINTSTRUCT ps;
 HDC hDC;

 static SIZE size;
 static char str[10][81];
 static char temp[10][81];
 static int count = 0;
 static int yPos, xPos;
 static int line;
 static int temp_line, temp_count;
 static int i = 0;
 static int n = 0;
 static int j = 0;

 static int cxFont, cyFont;
 switch (uMsg) {
 case WM_CREATE:

  yPos = 0;
  xPos = 0;
  line = 0;
  count = 0;
  temp_line = 0;
  temp_count = 0;
  CreateCaret(hWnd, NULL, 3, 15);
  ShowCaret(hWnd);

  break;
 case WM_CHAR:
  if (wParam == VK_BACK) {
   if (count > 0)
    count--;
   else if (line > 0 && count == 0) {
    line--;
    count = strlen(str[line]);
    yPos -= 20;
    temp_line--;

   }
  }
  else if (wParam == VK_RETURN) {
   if (line < 9) {
    yPos += 20;
    count = 0;
    line++;

    temp_line++;
   }
  }
 

  else str[line][count++] = wParam;
  str[line][count] = '\0';
  InvalidateRect(hWnd, NULL, TRUE);
  break;
 case WM_KEYDOWN:
  switch (wParam)
  {
  case VK_LEFT:
   xPos -= 5;
   break;
  case VK_RIGHT:
   xPos += 5;
   break;
  case VK_UP:
   yPos -= 20;

   break;
  case VK_DOWN:
   yPos += 20;

   break;
  case VK_DELETE:

   for (j = 0; j < 2; j++) {
    for (i = 0; i < count; ++i) {
     str[line - j][strlen(str[line - j]) + i] = str[line][i];
    }
   }
   --line;
   str[line][strlen(str[line])] = '\0';
   count = strlen(str[line]);
   yPos -= 20;
   xPos -= count * 8;
   
   break;
  }
  InvalidateRect(hWnd, NULL, TRUE);
  break;
 case WM_PAINT:
  hDC = BeginPaint(hWnd, &ps);
  GetTextExtentPoint(hDC, str[line], strlen(str[line]), &size);
  for (i = 0; i < line + 1; ++i)
   TextOut(hDC, 0, i * 20, str[i], strlen(str[i]));

  SetCaretPos(xPos + size.cx, yPos);
  EndPaint(hWnd, &ps);
  break;

 case WM_DESTROY:
  HideCaret(hWnd);
  DestroyCaret();
  PostQuitMessage(0);
  break;
 }
 return DefWindowProc(hWnd, uMsg, wParam, lParam);
}

여기서 방향키로 캐럿을 움직이면 캐럿 위치에 입력하는 글자가 나오게 하고싶은데 어떻게 해야되나요ㅠㅠ VK_UP,DOWN,LEFT,RIGHT에서 캐럿 움직이는건 했는데..입력하면 글자가 끝에서 부터 나오네요..