aucd29 2013. 10. 1. 18:57
#include <windows.h>

LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);
HINSTANCE g_hInst;
LPSTR lpszClass="ImeEdit";

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)GetStockObject(WHITE_BRUSH);
    WndClass.hCursor=LoadCursor(NULL,IDC_ARROW);
    WndClass.hIcon=LoadIcon(NULL,IDI_APPLICATION);
    WndClass.hInstance=hInstance;
    WndClass.lpfnWndProc=(WNDPROC)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,0,0,0)) {
        TranslateMessage(&Message);
        DispatchMessage(&Message);
    }
    return Message.wParam;
}

#include <imm.h>
#define ID_EDIT 100
HWND hEdit;
LRESULT CALLBACK WndProc(HWND hWnd,UINT iMessage,WPARAM wParam,LPARAM lParam)
{
    HIMC hImc;
    DWORD Con, Sen;
    switch(iMessage) {
    case WM_CREATE:
        hEdit=CreateWindow("edit",NULL,WS_CHILD | WS_VISIBLE | WS_BORDER |
            ES_AUTOHSCROLL,
            10,10,200,25,hWnd,(HMENU)ID_EDIT,g_hInst,NULL);
        SetFocus(hEdit);
        hImc=ImmGetContext(hEdit);
        ImmSetConversionStatus(hImc,IME_CMODE_NATIVE,IME_SMODE_NONE);
        ImmReleaseContext(hEdit,hImc );
        return 0;
    case WM_LBUTTONDOWN:
        hImc=ImmGetContext(hEdit);
        ImmGetConversionStatus(hImc,&Con,&Sen);
        ImmReleaseContext(hEdit,hImc );
        if (Con & IME_CMODE_NATIVE)
            MessageBox(hWnd,"현재 한글 모드입니다","알림",MB_OK);
        else
            MessageBox(hWnd,"현재 영문 모드입니다","알림",MB_OK);
        return 0;
    case WM_DESTROY:
        PostQuitMessage(0);
        return 0;
    }
    return(DefWindowProc(hWnd,iMessage,wParam,lParam));
}