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【C大事】第七講:自己動手寫記事本及打開對話框的使用(上)

自己動手寫記事本:
switch(id)
{
  case ID_MENUITEMOPEN:
  {
    FILE *fp = fopen("d:/test.txt", "r");
    char line[256];
    fgets(line, sizeof(line), fp);
    fclose(fp);
    SetDlgItemText(hwnd, IDC_EDIT1, TEXT(line));
  }
    break;
  default:
    break;
}


打開對話框的使用:
首先#incllude<commdlg.h>
switch(id)
{
  case IDC_OK:
  {
    OPENFILENAME ofn;
    char szFile[MAX_PATH];
    ZeroMemory(&ofn,sizeof(ofn));
    ofn.lStructSize = sizeof(ofn);
    ofn.lpstrFile = szFile;
    ofn.lpstrFile[0] = TEXT('\0');
    ofn.nMaxFile = sizeof(szFile);
    ofn.lpstrFilter = TEXT("ALL(*.*)\0*.*\0Text\0*.TXT\0");
    ofn.nFilterIndex = 1;
    ofn.lpstrFileTitle = NULL;
    ofn.nMaxFileTitle = 0;
    ofn.lpstrInitialDir = NULL;
    ofn.hwndOwner = hwnd;
    ofn.Flags = OFN_EXPLORER |OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST | OFN_ALLOWMULTISELECT;
    if (GetOpenFileName(&ofn))
    {
      MessageBox(NULL,szFile,"",MB_OK);
    }
  }
    break;
  default:
    break;


}

最後更新:2017-04-03 16:48:57

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