壹、打開文件夾：
1、CFileDialog實現
CFileDialog hFileDlg(TRUE,NULL,NULL,OFN_FILEMUSTEXIST|OFN_PATHMUSTEXIST|OFN_READONLY,
TEXT("支持的圖像文件 (*.jpg;*.gif;*.bmp;...)|*.jpg;*.gif;*.bmp|專用Tiff圖像文件(*.tiff;*.tif)|*.tiff;*.tif|所有文件(*.*)|*.*||"),NULL);
hFileDlg.m_ofn.nFilterIndex=1;
hFileDlg.m_ofn.hwndOwner=m_hWnd;
hFileDlg.m_ofn.lStructSize=sizeof(OPENFILENAME);
hFileDlg.m_ofn.lpstrTitle=TEXT("打開圖像文件...\0");
hFileDlg.m_ofn.nMaxFile=MAX_PATH;
if(hFileDlg.DoModal() == IDOK)
{
m_path = hFileDlg.GetPathName();
UpdateData(FALSE);
}
2、API實現
OPENFILENAMEA ofn;
char szFile[260];
ZeroMemory(&ofn, sizeof(ofn));
ofn.lStructSize = sizeof(ofn);
ofn.hwndOwner = NULL;
ofn.lpstrFile = szFile;
ofn.lpstrFile[0] = '\0';
ofn.nMaxFile = sizeof(szFile);
ofn.lpstrFilter = "音頻文件\0*.wma\0";
ofn.nFilterIndex = 1;
ofn.lpstrFileTitle = NULL;
ofn.nMaxFileTitle = 0;
ofn.lpstrInitialDir = NULL;
ofn.Flags = 0;
if (GetOpenFileNameA(&ofn)==FALSE)
{
return S_FALSE;
}
CString c_save_path=ofn.lpstrFile;
二、保存文件
同上，只不過將
CFileDialog hFileDlg(true,NULL 改為 CFileDialog hFileDlg(false,NULL，
或者將GetOpenFileNameA改為GetSaveFileNameA，即可。
三、瀏覽文件夾對話框
//回調函數
int CALLBACK BrowseCallbackProc(HWND hwnd, UINT uMsg, LPARAM lParam, LPARAM lpData)
{
if(uMsg==BFFM_SELCHANGED||uMsg==BFFM_INITIALIZED)
{
if(uMsg==BFFM_INITIALIZED)
{
::SendMessage(hwnd,BFFM_SETSELECTION,TRUE,LPARAM(lpData));
}
}
return 0;
}
TCHAR chPath[255]; //用來存儲路徑的字符串
CString strPath = "";
BROWSEINFO bInfo;
GetModuleFileName(NULL,chPath,MAX_PATH);
strPath =chPath;
ZeroMemory(&bInfo, sizeof(bInfo));
bInfo.hwndOwner = m_hWnd;
bInfo.lpszTitle = _T("請選擇路徑: ");
bInfo.ulFlags = BIF_RETURNONLYFSDIRS|BIF_EDITBOX;
bInfo.lpfn = BrowseCallbackProc;
bInfo.lParam = (LPARAM)strPath.GetBuffer(strPath.GetLength());
LPITEMIDLIST lpDlist; //用來保存返回信息的IDList
lpDlist = SHBrowseForFolder(&bInfo) ; //顯示選擇對話框
if(lpDlist != NULL) //用戶按了確定按鈕
{
SHGetPathFromIDList(lpDlist, chPath);//把項目標識列表轉化成字符串
strPath = chPath; //將TCHAR類型的字符串轉換為CString類型的字符串
m_save_path=strPath;
UpdateData(FALSE);
}
設置對話框的標題：
dlg.m_ofn.lpstrTitle = _T("Open Image");