Description: Open a TXT file and displayed in the EDIT control steps: 1. Create a new dialog-based project, known as the ReadFile2. In the interface to add a button (IDC_BUTTON1) and a text editor (IDC_EDIT1) IDC_EDIT1 properties: multi-line, can be drop-down scroll bar .3. Edit button trigger events (void CReadFileDlg:: OnButton1 ()) void CReadFileDlg:: OnButton1 () (//TODO: Add your control notification handler code here CString sFileFilter =*. hex |*. hex CString sFileName CFileDialog fDlg (true, NULL, NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, sFileFilter, NULL) fDlg.DoModal () sFileName = fDlg.GetFileName () if (sFileName! =) (CFile file (sFileName, CFile:: modeRead) int nFileLength = file.GetLength () char* buffer HGLOBAL hgl =:: GlobalAlloc (GMEM_MOVEABLE, nFileLength+ 1) buffer = (char*):: GlobalLock (hgl) file.Read (buffer, nFileLength) SetDlgItemText (IDC_EDIT1, buffer):: GlobalUnlock (hgl):: GlobalFree (hgl)) UpdateData (false))
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