基于Visual C++2010与windows SDK fo windows7开发windows7平台的tabletp

搭建好Visual C++2010与windows SDK fo windows7的开发平台以后，

小试牛刀，检验下开发windows7的下的tabletpc应用，这个东西财务记账比较多，

大家先看效果，然后讲解详细代码

详情请见代码注释

// Windows 头文件#include <windows.h>//tabletpc头文件#include <micaut.h>#include <micaut_i.c>// Asserts header#include "assert.h"#define ASSERT assert#include "resource.h"          // main symbols, including command IDs#include "EventSinks.h"        // 声明事件#include "MathInputControl.h"  // 定义数学输入头文件const WCHAR gc_wszAppName[] = L"****  Math Input Control ";// 数学输入控件指针CMathInputControlHost* g_pMathInputControlHost;//初始化HRESULT CMathInputControlHost::Init(HWND hWnd, HWND hWndEdit){    HRESULT hr;    m_hWnd = hWnd;    m_hWndEdit = hWndEdit;    // 创建对象    hr = CoCreateInstance(CLSID_MathInputControl,         NULL,        CLSCTX_INPROC_SERVER,        IID_IMathInputControl,        (void **)&m_pIMathInputControl);    if (FAILED(hr))    {        // 失败则返回        ASSERT("failed" && FALSE);        return hr;    }    // 让数学输入控件自动适应变化    LONG right = mc_left + mc_width;    LONG bottom = mc_top + mc_height;    hr = m_pIMathInputControl->SetPosition(mc_left, mc_top, right, bottom);    if (FAILED(hr))    {        ASSERT("Failed to set Math Input Control position." && FALSE);        return hr;    }    m_pIMathInputControl->EnableExtendedButtons(VARIANT_TRUE);    m_pEventListener = new CMathInputControlEventListener(this);    if (!m_pEventListener)    {        ASSERT("Failed to create event listener for Math Input Control.");        return E_FAIL;    }    // 开始识别数学控件输入    hr = m_pEventListener->AdviseMathInputControl(m_pIMathInputControl);    if (FAILED(hr))    {        // 识别笔迹事件        ASSERT("Failed to advise on MIC events" && FALSE);        return hr;    }    return S_OK;}HRESULT CMathInputControlHost::OnMICInsert(        BSTR bstrRecoResultMathML        ){    if (!m_hWndEdit)    {        ASSERT("Edit box control is not initialized." && FALSE);        return E_UNEXPECTED;    }    // 显示识别结果    SetWindowText(m_hWndEdit, (LPCWSTR)bstrRecoResultMathML);    // 隐藏控件    HideMIC();    return S_OK;}//关闭识别HRESULT CMathInputControlHost::OnMICClose(void){        return HideMIC();}//清理识别结果HRESULT CMathInputControlHost::OnMICClear(void){    HRESULT hr = S_OK;    if (!m_pIMathInputControl)    {        ASSERT("Math Input Control not initialized" && FALSE);        return E_UNEXPECTED;    }    if (!m_hWndEdit)    {        ASSERT("Edit box control is not initialized." && FALSE);        return E_UNEXPECTED;    }    LONG left, right, top, bottom;    hr = m_pIMathInputControl->GetPosition(&left, &top, &right, &bottom);    if (FAILED(hr))    {        ASSERT("Failed to get minimal window position." && FALSE);        return E_FAIL;    }    right = mc_left + mc_width;    bottom = mc_top + mc_height;    hr = m_pIMathInputControl->SetPosition(left, top, right, bottom);    if (FAILED(hr))    {        ASSERT("Failed to set window position." && FALSE);        return E_FAIL;    }    // 清理识别结果    SetWindowText(m_hWndEdit, L"");    return hr;}//显示控件LRESULT CMathInputControlHost::OnMICShow(){    HRESULT hr = S_OK;    if (!m_pIMathInputControl)    {        ASSERT("Math Input Control not initialized" && FALSE);        return E_UNEXPECTED;    }    VARIANT_BOOL vbShown = VARIANT_FALSE;    hr = m_pIMathInputControl->IsVisible(&vbShown);    if (FAILED(hr))    {        ASSERT("Failed to get visibility" && FALSE);        return E_FAIL;    }    if (vbShown != VARIANT_TRUE)    {        hr = m_pIMathInputControl->Show();        ASSERT("Failed to show Math Input Control window" && SUCCEEDED(hr));    }    return hr;}//隐藏控件HRESULT CMathInputControlHost::HideMIC(){    HRESULT hr = S_OK;    if (!m_pIMathInputControl)    {        ASSERT("Math Input Control not initialized" && FALSE);        return E_UNEXPECTED;    }    VARIANT_BOOL vbShown = VARIANT_FALSE;    hr = m_pIMathInputControl->IsVisible(&vbShown);    if (FAILED(hr))    {        ASSERT("Failed to get visibility" && FALSE);        return E_FAIL;    }    if (vbShown == VARIANT_TRUE)    {        hr = m_pIMathInputControl->Hide();        ASSERT("Failed to hide Math Input Control window" && SUCCEEDED(hr));    }    return hr;}//清理void CleanUp(){    // Release all objects    if (g_pMathInputControlHost != NULL)    {        delete g_pMathInputControlHost;    }    CoUninitialize();}//消息循环LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam){    switch (uMsg)    {    case WM_DESTROY:        PostQuitMessage(0);        break;    case WM_SIZE:        {            // 重新设置输入区间的大小            HWND hWndEdit = g_pMathInputControlHost->GetEditWindow();            MoveWindow(                hWndEdit,                       0,                             LOWORD(lParam),                 HIWORD(lParam),                TRUE                            );        }        break;    case WM_COMMAND:        if (wParam == ID_SHOW)        {            g_pMathInputControlHost->OnMICShow();        }        else        {            return DefWindowProc(hWnd, uMsg, wParam, lParam);        }        break;    default:        return DefWindowProc(hWnd, uMsg, wParam, lParam);    }    return 0;}//注册窗口类名BOOL RegisterWindowClass(HINSTANCE hInstance){    WNDCLASSEX WndClassEx;    WndClassEx.cbSize        = sizeof(WndClassEx);    WndClassEx.style         = CS_HREDRAW | CS_VREDRAW;    WndClassEx.lpfnWndProc   = WndProc;    WndClassEx.cbClsExtra    = 0;    WndClassEx.cbWndExtra    = 0;    WndClassEx.hInstance     = hInstance;    WndClassEx.hIcon         = NULL;    WndClassEx.hIconSm       = NULL;    WndClassEx.hCursor       = LoadCursor(NULL, IDC_ARROW);    WndClassEx.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);    WndClassEx.lpszMenuName  = MAKEINTRESOURCE(IDR_MENU);    WndClassEx.lpszClassName = gc_wszAppName;    if (!RegisterClassEx(&WndClassEx))    {        MessageBox(NULL, L"Failed to register window class!",                   gc_wszAppName, MB_ICONERROR);        false;     }    return true;}//起始窗体初始化int APIENTRY wWinMain(HINSTANCE hInstance,                      HINSTANCE /* hPrevInstance */,                      LPWSTR    /* lpCmdLine */,                      int       nCmdShow){    if (!RegisterWindowClass(hInstance))    {        return 0;    }    HRESULT hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);    if (FAILED(hr))    {        CleanUp();        return 0;    }    // 创建程序窗体    HWND hWnd = CreateWindowEx(        WS_EX_CLIENTEDGE,             gc_wszAppName,              gc_wszAppName,               WS_OVERLAPPEDWINDOW,         CW_USEDEFAULT,                CW_USEDEFAULT,               CW_USEDEFAULT,               CW_USEDEFAULT,             NULL,                    NULL,                .        hInstance,                  NULL                         );    if (NULL == hWnd)    {        MessageBox(NULL, L"Error creating the window", L"Error",                   MB_OK | MB_ICONINFORMATION);        CleanUp();        return 0;    }    //创建文本框接受识别结果    HWND hWndEdit = CreateWindow(        L"edit",                NULL,                    // Specifies the style of the window being created.        WS_CHILD | WS_VISIBLE | WS_BORDER | ES_MULTILINE | ES_AUTOVSCROLL | ES_READONLY | WS_VSCROLL,        0,                      0,                    0,                  0,                      hWnd,                    (HMENU)ID_EDIT,        hInstance,              NULL                   );    if (NULL == hWnd)    {        MessageBox(NULL, L"Error creating the edit box control", L"Error",                   MB_OK | MB_ICONINFORMATION);        CleanUp();        return 0;    }    // 创建数学监听控件与开始监听数学监听控件事件    g_pMathInputControlHost = new CMathInputControlHost();    if (!g_pMathInputControlHost)    {        ASSERT("Failed to create Math Input Control host.");        CleanUp();        return -1;    }    // 初始化数学控件    hr = g_pMathInputControlHost->Init(hWnd, hWndEdit);    if (FAILED(hr))    {        ASSERT("Failed to initialize Math Input Control host.");        CleanUp();        return -1;    }    // 显示主窗口    ShowWindow(hWnd, nCmdShow);    UpdateWindow(hWnd);    // 开始消息循环    MSG msg;    while (GetMessage(&msg, NULL, 0, 0) > 0)    {        TranslateMessage(&msg);        DispatchMessage(&msg);    }    CleanUp();    return (int)msg.wParam;}

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