41 lines
1.9 KiB
C#
41 lines
1.9 KiB
C#
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using System;
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using System.IO;
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using System.ComponentModel;
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using DevExpress.ExpressApp;
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using System.Collections.Generic;
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using DevExpress.Persistent.Base;
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using DevExpress.ExpressApp.Utils;
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using DevExpress.Persistent.BaseImpl;
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namespace FileSystemData {
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[Description("This module provides the FileSystemStoreObject and FileSystemLinkObject classes that enable you to store uploaded files in a file system instead of the database.")]
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public sealed partial class FileSystemDataModule : ModuleBase {
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public static int ReadBytesSize = 0x1000;
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public static string FileSystemStoreLocation = String.Format("{0}FileData", PathHelper.GetApplicationFolder());
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public FileSystemDataModule() {
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InitializeComponent();
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BaseObject.OidInitializationMode = OidInitializationMode.AfterConstruction;
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}
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public static void CopyFileToStream(string sourceFileName, Stream destination) {
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if (string.IsNullOrEmpty(sourceFileName) || destination == null) return;
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using (Stream source = File.OpenRead(sourceFileName))
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CopyStream(source, destination);
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}
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public static void OpenFileWithDefaultProgram(string sourceFileName) {
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Guard.ArgumentNotNullOrEmpty(sourceFileName, "sourceFileName");
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System.Diagnostics.Process process = new System.Diagnostics.Process();
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process.StartInfo.UseShellExecute = true;
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process.StartInfo.FileName = sourceFileName;
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process.Start();
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}
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public static void CopyStream(Stream source, Stream destination) {
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if (source == null || destination == null) return;
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byte[] buffer = new byte[ReadBytesSize];
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int read = 0;
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while ((read = source.Read(buffer, 0, buffer.Length)) > 0)
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destination.Write(buffer, 0, read);
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}
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}
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}
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