Downloads:
Features:
- Control all USB ports ( Enable / Disable , Read & Write / Read only)
Notes:
- You must run the application as an admin!
- In app.manifest of your project change the requestedExecutionLevel from ” asInvoker ” to ” requireAdministrator “
C# Source Code:
- Main.cs
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using System; using System.Runtime.InteropServices; using Microsoft.Win32; using System.Windows.Forms; namespace USB_Controller { public partial class Main : Form { bool isAdmin; [DllImport("shell32")] static extern bool IsUserAnAdmin(); public Main() { InitializeComponent(); } private void Main_Load(object sender, EventArgs e) { isAdmin = IsUserAnAdmin(); if (isAdmin == false) { MessageBox.Show("Please run the application as Administrator", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); groupBox1.Enabled = false; } else { try { string path1 = "SYSTEM\\CurrentControlSet\\services\\USBSTOR\\"; RegistryKey RK = Registry.LocalMachine.OpenSubKey(path1, true); string currentKey1 = RK.GetValue("Start").ToString(); if (currentKey1 == "3") { status.Text = "Status : All USB ports unlocked !"; Unlock.Enabled = false; } if (currentKey1 == "4") { status.Text = "Status : All USB ports locked !"; Lock.Enabled = false; } string check = "SYSTEM\\CurrentControlSet\\Control\\StorageDevicePolicies\\"; RegistryKey rkSubKey = Registry.LocalMachine.OpenSubKey(check, false); if (rkSubKey == null) { try { RegistryKey k = Registry.LocalMachine.CreateSubKey("SYSTEM\\CurrentControlSet\\Control\\StorageDevicePolicies"); k.SetValue("WriteProtect", "0", RegistryValueKind.DWord); StatusRW.Text = "Read & Write"; rdbReadWrite.Checked = true; rdbReadOnly.Checked = false; k.Close(); } catch { } } else { string path2 = "SYSTEM\\CurrentControlSet\\Control\\StorageDevicePolicies\\"; RegistryKey key = Registry.LocalMachine.OpenSubKey(path2, true); string currentkey2 = key.GetValue("WriteProtect").ToString(); if (currentkey2 == "1") { rdbReadWrite.Checked = false; rdbReadOnly.Checked = true; StatusRW.Text = "Read Only !"; } if (currentkey2 == "0") { rdbReadWrite.Checked = true; rdbReadOnly.Checked = false; StatusRW.Text = "Read & Write"; } } } catch { } } } private void Lock_Click(object sender, EventArgs e) { try { Unlock.Enabled = true; Lock.Enabled = false; string path = "SYSTEM\\CurrentControlSet\\services\\USBSTOR\\"; RegistryKey RK = Registry.LocalMachine.OpenSubKey(path, true); RK.SetValue("Start", "4", RegistryValueKind.DWord); status.Text = "Status : All USB ports locked !"; } catch (Exception ex) { MessageBox.Show("You should run the application as Adminstrator !", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning); } } private void Unlock_Click(object sender, EventArgs e) { try { Lock.Enabled = true; ; Unlock.Enabled = false; status.Text = "Status : All USB ports unlocked !"; string path = "SYSTEM\\CurrentControlSet\\services\\USBSTOR\\"; RegistryKey RK = Registry.LocalMachine.OpenSubKey(path, true); RK.SetValue("Start", "3", RegistryValueKind.DWord); } catch { MessageBox.Show("You should run the application as Adminstrator !", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning); } } private void rdbReadOnly_CheckedChanged(object sender, EventArgs e) { try { RegistryKey key; key = Registry.LocalMachine.CreateSubKey("SYSTEM\\CurrentControlSet\\Control\\StorageDevicePolicies"); key.SetValue("WriteProtect", "1", RegistryValueKind.DWord); StatusRW.Text = "Read Only !"; key.Close(); } catch { } } private void rdbReadWrite_CheckedChanged(object sender, EventArgs e) { try { RegistryKey key; key = Registry.LocalMachine.CreateSubKey("SYSTEM\\CurrentControlSet\\Control\\StorageDevicePolicies"); key.SetValue("WriteProtect", "0", RegistryValueKind.DWord); StatusRW.Text = "Read & Write"; key.Close(); } catch { } } } } |
- App.manifest
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<requestedExecutionLevel level="requireAdministrator" uiAccess="false" /> |
