opensave.c

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#include "precomp.h"
 
static OPENFILENAME ofn;
 
/*
 * Initialize file open / save structure
 */
VOID FileInitialize(HWND hwnd)
{
    ZeroMemory(&ofn, sizeof(ofn));
    ofn.lStructSize   = sizeof(OPENFILENAME);
    ofn.hwndOwner     = hwnd;
    ofn.nMaxFile      = MAX_PATH;
    ofn.nMaxFileTitle = MAX_PATH;
    ofn.lpstrDefExt   = _T("bmp");
}
 
 
static BOOL
DoWriteFile(LPCTSTR pszFileName)
{
    return TRUE;
}
 
 
BOOL
DoOpenFile(HWND hwnd,
           LPTSTR szFileName,
           LPTSTR szTitleName)
{
    DWORD err;
 
    static TCHAR Filter[] = _T("All documents (*.txt,*.rtf)\0*.txt;*.rtf\0") \
        _T("Rich Text Document (*.rtf)\0*.rtf\0") \
        _T("Text Document (*.txt)\0*.txt\0");
 
 
    ofn.lpstrFilter = Filter;
    ofn.lpstrFile = szFileName;
    ofn.lpstrFileTitle = szTitleName;
    ofn.Flags = OFN_EXPLORER | OFN_FILEMUSTEXIST | OFN_HIDEREADONLY;
 
    if (GetOpenFileName(&ofn))
    {
        return TRUE;
    }
 
    err = CommDlgExtendedError();
 
    if (err != CDERR_GENERALCODES)
        MessageBox(NULL, _T("Open file failed"), NULL, 0);
 
    return FALSE;
}
 
 
 
BOOL
DoSaveFile(HWND hwnd)
{
    TCHAR szFileName[MAX_PATH] = _T("");
    static TCHAR Filter[] = _T("Rich Text Document (*.rtf)\0*.rtf\0") \
        _T("Text Document (*.txt)\0*.txt\0");
 
    ofn.lpstrFilter = Filter;
    ofn.lpstrFile = szFileName;
    ofn.Flags = OFN_EXPLORER | OFN_PATHMUSTEXIST | OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT;
 
    if (GetSaveFileName(&ofn))
    {
        if (DoWriteFile(szFileName))
            return TRUE;
    }
 
    if (CommDlgExtendedError() != CDERR_GENERALCODES)
        MessageBox(NULL, _T("Save to file failed"), NULL, 0);
 
    return FALSE;
}