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September 17, 2024 04:34
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Application#Excel
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| // ヘッダのインクルード | |
| // 既定のヘッダ | |
| #include <windows.h> // 標準WindowsAPI | |
| #include <tchar.h> // TCHAR対応 | |
| // 独自のヘッダ | |
| #include "Application.h" // Word::CApplication | |
| // コンストラクタCApplication | |
| Excel::CApplication::CApplication() { | |
| } | |
| // staticな生成関数CreateInstance. | |
| Excel::CApplication * Excel::CApplication::CreateInstance() { | |
| // 変数の宣言と初期化. | |
| CLSID clsid; // CLSIDを格納するclsid. | |
| IDispatch * pDispatch = NULL; // IDispatchポインタpDispatchをNULLで初期化. | |
| // "Excel.Application"のCLSIDの取得. | |
| HRESULT hr = CLSIDFromProgID(_T("Excel.Application"), &clsid); // CLSIDFromProgIDで"Excel.Application"のclsidを取得. | |
| if (FAILED(hr)) { // 失敗. | |
| return NULL; | |
| } | |
| // IDispatchポインタpDispatchの取得. | |
| hr = CoCreateInstance(clsid, NULL, CLSCTX_LOCAL_SERVER, IID_PPV_ARGS(&pDispatch)); // CoCreateInstanceで, pDispatchを生成. | |
| if (FAILED(hr)) { // 失敗. | |
| return NULL; | |
| } | |
| // 成功. | |
| CApplication *pApplication = new CApplication(); | |
| pApplication->m_pDispatch = pDispatch; | |
| return pApplication; | |
| } | |
| // デストラクタ~CApplication | |
| Excel::CApplication::~CApplication() { | |
| // m_pDispatchの解放. | |
| if (m_pDispatch != NULL) { // m_pDispatchがNULLでなければ. | |
| m_pDispatch->Release(); // IDispatch::Releaseで解放. | |
| m_pDispatch = NULL; // NULLをセット. | |
| } | |
| } |
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| // 二重インクルード防止 | |
| #ifndef __EXCEL__APPLICATION_H__ | |
| #define __EXCEL__APPLICATION_H__ | |
| // 名前空間Excelの定義 | |
| namespace Excel { | |
| // アプリケーションクラスCApplicationの定義 | |
| class CApplication { | |
| // privateメンバ | |
| private: | |
| // privateメンバ変数 | |
| IDispatch *m_pDispatch; // IDispatchポインタm_pDispatch. | |
| // privateメンバ関数 | |
| // コンストラクタ | |
| CApplication(); // コンストラクタCApplication(newで生成不可.) | |
| // publicメンバ | |
| public: | |
| // publicメンバ関数 | |
| // staticメンバ関数 | |
| static CApplication * CreateInstance(); // staticな生成関数CreateInstance. | |
| // デストラクタ | |
| virtual ~CApplication(); // デストラクタ~CApplication | |
| }; | |
| } | |
| #endif |
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| // ヘッダファイルのインクルード | |
| // 既定のヘッダ | |
| #include <windows.h> // 標準WindowsAPI | |
| #include <tchar.h> // TCHAR対応 | |
| // 独自のヘッダ | |
| #include "Excel/Application.h" // Excel::CApplication | |
| // _tmain関数の定義 | |
| int _tmain(int argc, TCHAR *argv[]) { // main関数のTCHAR版. | |
| // COMの初期化. | |
| CoInitialize(NULL); // CoInitializeでCOMを初期化. | |
| // Excel::CApplicationの生成 | |
| Excel::CApplication *pApplication = Excel::CApplication::CreateInstance(); // Excel::CApplication::CreateInstanceで作成. | |
| // 取得したpApplicationを出力. | |
| _tprintf(_T("pApplication = 0x%08x\n"), (unsigned long)pApplication); // pApplicationを出力. | |
| // pApplicationの破棄. | |
| if (pApplication != NULL) { | |
| delete pApplication; | |
| } | |
| // COMの終了処理. | |
| CoUninitialize(); // CoUninitializeで終了処理. | |
| // プログラムの終了. | |
| return 0; // 0を返して終了. | |
| } |
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