sdk/samples/FrameworkSamples/CLR/CompressionSample/cs/compression/customfiledialog.cs

   1 //-----------------------------------------------------------------------
   2 //  This file is part of the Microsoft .NET SDK Code Samples.
   3 //
   4 //  Copyright (C) Microsoft Corporation.  All rights reserved.
   5 //
   6 //This source code is intended only as a supplement to Microsoft
   7 //Development Tools and/or on-line documentation.  See these other
   8 //materials for detailed information regarding Microsoft code samples.
   9 //
  10 //THIS CODE AND INFORMATION ARE PROVIDED AS IS WITHOUT WARRANTY OF ANY
  11 //KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
  12 //IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
  13 //PARTICULAR PURPOSE.
  14 //-----------------------------------------------------------------------
  15 using System;
  16 using System.Windows.Forms;
  17
  18 namespace Microsoft.Sample.Compression
  19 {
  20         /// <summary>
  21         /// File Dialog that has the features for this application.
  22         /// </summary>
  23         public class CustomFileDialog
  24         {
  25                 //Private openFileDialog control
  26                 private System.Windows.Forms.OpenFileDialog fileDialog;
  27
  28                 /// <summary>
  29                 /// Creates a new Custom File Dialog object
  30                 /// </summary>
  31                 public CustomFileDialog()
  32                 {
  33                         fileDialog = new OpenFileDialog();
  34                         Reset();
  35                 }
  36
  37                 private void Reset()
  38                 {
  39                         fileDialog.CheckFileExists = false;
  40                         fileDialog.CheckPathExists = false;
  41                         fileDialog.ValidateNames = false;
  42                         fileDialog.InitialDirectory = ZipConstants.Dot;
  43                 }
  44                 /// <summary>
  45                 /// Opens the dialog in add mode
  46                 /// User can select multiple files
  47                 /// </summary>
  48                 /// <returns>
  49                 ///     All the filenames selected
  50                 ///</returns>
  51                 public string[] AddMode()
  52                 {
  53                         fileDialog.FileName = String.Empty;
  54                         fileDialog.Multiselect = true;
  55                         fileDialog.Title = ZipConstants.AddFiles;
  56                         fileDialog.Filter = ZipConstants.AllExtensions;
  57                         DialogResult dr = fileDialog.ShowDialog();
  58                         if (dr == DialogResult.OK)
  59                                 return fileDialog.FileNames;
  60                         return null;
  61                 }
  62
  63                 /// <summary>
  64                 /// Opens the dialog in new mode
  65                 /// User cannot select multiple files
  66                 /// </summary>
  67                 /// <returns>
  68                 ///     The filename selected
  69                 ///</returns>
  70                 public string NewMode()
  71                 {
  72                         fileDialog.FileName = String.Empty;
  73                         fileDialog.Multiselect = false;
  74                         fileDialog.Title = ZipConstants.NewArchive;
  75                         fileDialog.Filter = ZipConstants.Extension;
  76                         //In case the filedialog does not add extensions
  77
  78                         DialogResult dr = fileDialog.ShowDialog();
  79                         if (dr == DialogResult.OK)
  80                         {
  81                                 if (!fileDialog.FileName.Contains(".xip"))
  82                                         fileDialog.FileName += ".xip";
  83                                 return fileDialog.FileName;
  84                         }
  85                         return null;
  86                 }
  87
  88                 /// <summary>
  89                 /// Opens the dialog in open mode
  90                 /// User cannot select multiple files
  91                 /// </summary>
  92                 /// <returns>
  93                 ///     The filename selected
  94                 ///</returns>
  95                 public string OpenMode()
  96                 {
  97                         fileDialog.FileName = String.Empty;
  98
  99                         fileDialog.Multiselect = false;
 100                         fileDialog.Title = ZipConstants.OpenArchive;
 101                         fileDialog.Filter = ZipConstants.Extension;
 102                         DialogResult dr = fileDialog.ShowDialog();
 103                         if (dr == DialogResult.OK)
 104                         {
 105                                 if (!fileDialog.FileName.Contains(ZipConstants.Dot))
 106                                         fileDialog.FileName += ".xip";
 107                                 return fileDialog.FileName;
 108                         }
 109                         return null;
 110                 }
 111
 112         }
 113
 114 }