AceInfinity
Emeritus, Contributor
FolderDrive Mapper
Video:
Preview:
Description:
Easily map a folder to as a virtual drive with it's own drive letter on your machine, or unmap a drive letter.
Source:
Form1.cs
DriveMount.cs
Functions.cs
Video:
Preview:
Description:
Easily map a folder to as a virtual drive with it's own drive letter on your machine, or unmap a drive letter.
Source:
Form1.cs
Code:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Diagnostics;
using System.Windows.Forms;
namespace FolderDrive_Mapper
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
textBox1.AllowDrop = true;
}
private void Form1_Load(object sender, EventArgs e)
{
}
#region Drag Drop Filepath
private void textBox1_DragEnter(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent(DataFormats.FileDrop))
{
e.Effect = DragDropEffects.All;
}
}
private void textBox1_DragDrop(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent(DataFormats.FileDrop))
{
string MyFile = ((string[])e.Data.GetData(DataFormats.FileDrop))[0];
textBox1.Text = MyFile;
}
}
#endregion
#region //Map Drive
private void button1_Click(object sender, EventArgs e)
{
if (Functions.ValidInputs(textBox1.Text, textBox2.Text, true))
{
if (!DriveMount.IsDriveMapped(textBox2.Text))
{
DriveMount.MapDrive(textBox2.Text, @textBox1.Text);
}
else
{
MessageBox.Show("Drive letter already mapped, please unmap this drive letter first.",
"Warning", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
}
#endregion
#region //Unmap Drive
private void button2_Click(object sender, EventArgs e)
{
if (Functions.ValidInputs(textBox1.Text, textBox2.Text, false))
{
if (DriveMount.IsDriveMapped(textBox2.Text))
{
DriveMount.UnmapDrive(textBox2.Text);
}
else
{
MessageBox.Show("Drive letter already unmapped.",
"Warning", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
}
#endregion
private void button3_Click(object sender, EventArgs e)
{
using (FolderBrowserDialog fbd = new FolderBrowserDialog())
{
fbd.Description = "Browse for a folder location that you wish to mount as a new virtual drive...";
fbd.RootFolder = Environment.SpecialFolder.DesktopDirectory;
fbd.ShowNewFolderButton = true;
if (fbd.ShowDialog() == DialogResult.OK)
{
textBox1.Text = fbd.SelectedPath;
}
}
}
private void button4_Click(object sender, EventArgs e)
{
Process.Start("explorer.exe", ",");
}
}
}DriveMount.cs
Code:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.ComponentModel;
using System.Runtime.InteropServices;
using System.Windows.Forms;
namespace FolderDrive_Mapper
{
#region //API Drive Flags
public enum dFlags
{
DDD_EXACT_MATCH_ON_REMOVE = 4,
DDD_NO_BROADCAST_SYSTEM = 8,
DDD_RAW_TARGET_PATH = 1,
DDD_REMOVE_DEFINITION = 2,
}
#endregion
static class DriveMount
{
#region //API Stuff
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
private static extern bool DefineDosDevice(dFlags dwflags, string lpDeviceName, string path);
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
private static extern int QueryDosDevice(string lpDeviceName, StringBuilder lpTargetPath, int ucchMax);
#endregion
#region //Map Or Unmap Drives
public static void MapDrive(string DriveAddr, string path)
{
try
{
if (ConfirmAction(GetDriveLetter(DriveAddr)))
{
if (!DefineDosDevice(0, GetDriveLetter(DriveAddr), path))
throw new Win32Exception("An error occurred while trying to map the drive");
}
}
catch (Win32Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public static void UnmapDrive(string DriveAddr)
{
try
{
if (ConfirmAction(GetDriveLetter(DriveAddr)))
{
if (!DefineDosDevice(dFlags.DDD_REMOVE_DEFINITION, GetDriveLetter(DriveAddr), null))
throw new Win32Exception("An error occurred while trying to unmap the drive");
}
}
catch (Win32Exception ex)
{
MessageBox.Show(ex.Message);
}
}
#endregion
#region //Check If Drive Mapped
public static bool IsDriveMapped(string DriveAddr)
{
StringBuilder sb = new StringBuilder(259);
if (QueryDosDevice(GetDriveLetter(DriveAddr), sb, sb.Capacity) == 0)
{
// Return empty string if the drive is not mapped
if (Marshal.GetLastWin32Error() == 2) return false;
throw new Win32Exception();
}
return true;
}
#endregion
#region //Get Drive Letter
public static string GetDriveLetter(string DriveAddr)
{
return char.ToUpper(DriveAddr[0]) + ":";
}
#endregion
#region //Confirm Action On Drive Letter
private static bool ConfirmAction(string DriveLetter)
{
return (MessageBox.Show("Are you sure you want to take the specified action on " + DriveLetter + "?","Confirm Action",
MessageBoxButtons.YesNoCancel, MessageBoxIcon.Asterisk) == DialogResult.Yes) ? true : false;
}
#endregion
}
}Functions.cs
Code:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Windows.Forms;
namespace FolderDrive_Mapper
{
class Functions
{
#region //Check Valid Inputs
public static bool ValidInputs(string MainDir, string DriveLetter, bool CheckPath)
{
if (CheckPath)
{
if (!Directory.Exists(MainDir)) { return false; }
}
if (DriveLetter.Length == 2 && Char.IsLetter(DriveLetter[0]) && DriveLetter[1] == ':'))
{
return true;
}
MessageBox.Show("There was an invalid input specified, please make sure that you type everything in correctly!", "Invalid Input",
MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
return false;
}
#endregion
}
}
Last edited:
