public VirtualComPort(RegistryKey rootKey, string dll, string friendlyName, string portName)
{
string prefix;
int index;
// Extract the prefix and index from the port name.
m_PortName = portName;
if (m_PortName != "")
{
Match match = portNameRegex.Match(m_PortName);
if (! match.Success)
throw new Exception("Invalid virtual COM port name: " + portName);
prefix = match.Groups[1].Value;
index = int.Parse(match.Groups[2].Value);
}
else
{
prefix = "COM";
index = -1;
}
// Create a uniquely named subkey under the root key for this port.
string[] subKeyNames = rootKey.GetSubKeyNames();
int lastSubKeyIndex = -1;
foreach (string keyName in subKeyNames)
{
int val;
try
{
val = int.Parse(keyName);
}
catch
{
val = -1;
}
lastSubKeyIndex = val > lastSubKeyIndex ? val : lastSubKeyIndex;
}
string subKeyName = ((int)(lastSubKeyIndex + 1)).ToString();
RegistryKey subKey = rootKey.CreateSubKey(subKeyName);
try
{
// Populate the subkey.
subKey.SetValue("Dll", dll, RegistryValueKind.String);
subKey.SetValue("Prefix", prefix, RegistryValueKind.String);
subKey.SetValue("FriendlyName", friendlyName +
(m_PortName == "" ? "" : " on " + m_PortName), RegistryValueKind.String);
if (index >= 0)
subKey.SetValue("Index", index, RegistryValueKind.DWord);
subKey.Flush();
// Attempt to load the driver, remembering to strip the "HKEY_LOCAL_MACHINE\" prefix
// from the sub key name.
DeviceHandle = ActivateDevice(subKey.Name.Remove(0, subKey.Name.IndexOf(@"\") + 1), 0);
if (DeviceHandle != IntPtr.Zero)
{
try
{
// The driver loaded successfully. Retrieve the port name from the Active drivers
// subkey if we don't have it already.
if (m_PortName == "")
{
RegistryKey activeDrivers = Registry.LocalMachine.OpenSubKey(@"Drivers\Active", false);
try
{
string[] driverSubKeyNames = activeDrivers.GetSubKeyNames();
foreach (string keyName in driverSubKeyNames)
{
RegistryKey driverKey = activeDrivers.OpenSubKey(keyName, false);
try
{
object HndValue = driverKey.GetValue("Hnd");
object NameValue = driverKey.GetValue("Name");
if ((HndValue != null) && (HndValue.ToString() == DeviceHandle.ToString()) &&
(NameValue != null))
{
m_PortName = NameValue.ToString();
break;
}
}
finally
{
driverKey.Dispose();
}
}
}
finally
{
activeDrivers.Dispose();
}
// Verify the port name and update the friendly name if we can.
if (m_PortName != "")
{
Match match = portNameRegex.Match(m_PortName);
if (! match.Success)
throw new Exception("Invalid virtual COM port name: " + portName);
subKey.SetValue("FriendlyName", friendlyName + " on " + m_PortName,
RegistryValueKind.String);
subKey.Flush();
}
else
{
throw new Exception("Unable to locate active device driver details for device handle " + DeviceHandle.ToString());
}
}
}
catch
{
DeactivateDevice(DeviceHandle);
DeviceHandle = IntPtr.Zero;
throw;
}
}
}
finally
{
subKey.Dispose();
if (DeviceHandle == IntPtr.Zero)
{
rootKey.DeleteSubKey(subKeyName);
rootKey.Flush();
}
}
}
public FormMain()
{
// Set the resize event handler.
resizeEventHandler = new EventHandler(FormMain_Resize);
Resize += resizeEventHandler;
//
// Required for Windows Form Designer support
//
InitializeComponent();
// Get the window handle.
Capture = true;
hwnd = OpenNETCF.Win32.Win32Window.GetCapture();
Capture = false;
// Add a message filter.
ApplicationEx.AddMessageFilter(this);
// Load the configuration.
executablePath = ApplicationEx.StartupPath;
extensionPath = Path.Combine(executablePath, "Extensions");
string iniFileName = Path.Combine(executablePath, "GPSProxy.ini");
if (! File.Exists(iniFileName))
{
try
{
File.Copy(Path.Combine(executablePath, "GPSProxy.ini.default"), iniFileName, false);
}
catch
{
}
}
if (! File.Exists(iniFileName))
using (File.Create(iniFileName))
{
}
configSource = new IniConfigSource(iniFileName);
configSource.Alias.AddAlias("On", true);
configSource.Alias.AddAlias("Off", false);
configSource.Alias.AddAlias("True", true);
configSource.Alias.AddAlias("False", false);
if (configSource.Configs["Settings"] == null)
configSource.AddConfig("Settings");
configSettings = configSource.Configs["Settings"];
settings["autoStart"].Value = configSettings.GetBoolean("Start Proxy Automatically on Launch", (bool)settings["autoStart"].Value);
settings["runExternalApp"].Value = configSettings.GetBoolean("Run External App after Proxy Startup", (bool)settings["runExternalApp"].Value);
settings["externalApp"].Value = configSettings.GetString("External Application", (string)settings["externalApp"].Value);
settings["autoReconnect"].Value = configSettings.GetBoolean("Reconnect after Power-on", (bool)settings["autoReconnect"].Value);
settings["reconnectDelay"].Value = configSettings.GetInt("Power-on Reconnect Delay", (int)settings["reconnectDelay"].Value);
// Create the main and page menu panels.
mainMenuPanel = new ScrollablePanel();
mainMenuPanel.Visible = false;
Controls.Add(mainMenuPanel);
mainMenuPanel.Size = pluginPanel.ClientSize;
mainMenuPanel.BringToFront();
pageMenuPanel = new ScrollablePanel();
pageMenuPanel.Visible = false;
Controls.Add(pageMenuPanel);
pageMenuPanel.Size = pluginPanel.ClientSize;
pageMenuPanel.BringToFront();
// Add the main menu buttons.
AboutButton = AddMenuButton(mainMenuPanel, "About...",
new EventHandler(AboutButton_Click));
SettingsButton = AddMenuButton(mainMenuPanel, "Settings...",
new EventHandler(SettingsButton_Click), true);
ExtensionsButton = AddMenuButton(mainMenuPanel, "Extensions...",
new EventHandler(ExtensionsButton_Click));
VirtualComPortsButton = AddMenuButton(mainMenuPanel, "Virtual COM Ports...",
new EventHandler(VirtualComPortsButton_Click));
ExitButton = AddMenuButton(mainMenuPanel, "Exit",
new EventHandler(ExitButton_Click), true);
// Load the extension DLLs.
LoadExtensions();
// Activate extensions according to the configuration file.
ActivateExtensions();
// NOTE: do not attempt to show an message boxes before this point, as this triggers
// other form events that expect the activeExtensions array to have been created.
// Load the virtual COM port drivers.
virtualComPortRootKey = Registry.LocalMachine.CreateSubKey(@"Drivers\GPSProxyVirtualCOMPorts");
if (virtualComPortRootKey == null)
{
MessageBox.Show(@"Unable to open/create registry key: " + virtualComPortRootKey.Name,
"Error", MessageBoxButtons.OK, MessageBoxIcon.Hand, MessageBoxDefaultButton.Button1);
}
else
{
LoadVirtualComPortDrivers();
}
// Create and populate the extensions dialog.
extensionsDialog = new FormExtensions();
extensionsDialog.ComboBoxProvider.SelectedIndexChanged += new EventHandler(ComboBoxProvider_SelectedIndexChanged);
extensionsDialog.ListBoxExtensions.SelectedIndexChanged += new EventHandler(ListBoxExtensions_SelectedIndexChanged);
extensionsDialog.ButtonConfigureProvider.Click += new EventHandler(ButtonConfigureProvider_Click);
extensionsDialog.ButtonAddExtension.Click += new EventHandler(ButtonAddExtension_Click);
extensionsDialog.ButtonRemoveExtension.Click += new EventHandler(ButtonRemoveExtension_Click);
extensionsDialog.ButtonConfigureExtension.Click += new EventHandler(ButtonConfigureExtension_Click);
RepopulateExtensionsDialog();
// Create and populate the virtual COM port dialog.
virtualComPortsDialog = new FormVirtualComPorts();
virtualComPortsDialog.VirtualComPortListBox.SelectedIndexChanged += new EventHandler(VirtualComPortListBox_SelectedIndexChanged);
virtualComPortsDialog.ButtonAdd.Click += new EventHandler(ButtonAddVirtualComPort_Click);
virtualComPortsDialog.ButtonRemove.Click += new EventHandler(ButtonRemoveVirtualComPort_Click);
RepopulateVirtualComPortsDialog();
}
public VirtualComPort(RegistryKey rootKey, string dll, string friendlyName)
: this(rootKey, dll, friendlyName, "")
{
}
