public static void UnregisterControl(Type t)
{
try
{
if (t == null)
{
throw new ArgumentNullException(nameof(t));
}
if (!typeof(Control).IsAssignableFrom(t))
{
throw new ArgumentException("Type argument must be a Windows Forms control.");
}
// CLSID
string key = $"CLSID\\{t.GUID:B}";
Registry.ClassesRoot.DeleteSubKeyTree(key);
EventLogWrapper.Log($"Control unregistered for {Bitness} applications: {t.FullName}, {key}",
EventLogEntryType.Information, 200);
}
catch (Exception ex)
{
EventLogWrapper.Log($"Control was not unregistered: {t.FullName}\n{ex}", EventLogEntryType.Error, 500);
}
}
private static void ConfigureLogging()
{
LoggerProvider.Instance.Level = SourceLevels.Information;
LoggerProvider.Instance.FileLoggingEnabled = true;
string outputFile = Path.GetFullPath("dotnetbrowser.log");
LoggerProvider.Instance.OutputFile = outputFile;
EventLogWrapper.Log($"DotNetBrowser logs can be found at {outputFile}", EventLogEntryType.Information, 202);
}
public ComBrowserView()
{
try
{
ConfigureLogging();
InitializeComponent();
_engineWrapper = new EngineWrapper();
_engineWrapper.Initialize();
Browser = _engineWrapper.CreateBrowser();
InitializeFrom(Browser);
Browser.LoadUrl("teamdev.com/dotnetbrowser");
EventLogWrapper.Log("ComBrowserView initialized", EventLogEntryType.Information, 201);
}
catch (Exception e)
{
EventLogWrapper.Log(e.ToString(), EventLogEntryType.Error, 500);
throw;
}
}
public static void RegisterControl(Type t, int iconResourceIndex = 101)
{
try
{
if (t == null)
{
throw new ArgumentNullException(nameof(t));
}
if (!typeof(Control).IsAssignableFrom(t))
{
throw new ArgumentException("Type argument must be a Windows Forms control.");
}
string key = $"CLSID\\{t.GUID:B}";
using (RegistryKey registryKey = Registry.ClassesRoot.OpenSubKey(key, true))
{
// InprocServer32
using (RegistryKey inprocServerKey = registryKey?.OpenSubKey("InprocServer32", true))
{
//Override the default value - to make sure that the applications will be able to locate the DLL
inprocServerKey?.SetValue(null, $@"{Environment.SystemDirectory}\mscoree.dll");
// Create the CodeBase entry - needed if not string named and GACced.
inprocServerKey?.SetValue("CodeBase", t.Assembly.CodeBase);
}
// Control
// Create the 'Control' key - this allows our control to show up in
// the ActiveX control container
RegistryKey controlKey = registryKey?.CreateSubKey("Control");
controlKey?.Close();
// MiscStatus
using (RegistryKey miscKey = registryKey?.CreateSubKey("MiscStatus"))
{
const int miscStatusValue = OLEMISC_RECOMPOSEONRESIZE
+ OLEMISC_CANTLINKINSIDE
+ OLEMISC_INSIDEOUT
+ OLEMISC_ACTIVATEWHENVISIBLE
+ OLEMISC_SETCLIENTSITEFIRST;
miscKey?.SetValue("", miscStatusValue.ToString(), RegistryValueKind.String);
}
// ToolBoxBitmap32
using (RegistryKey bitmapKey = registryKey?.CreateSubKey("ToolboxBitmap32"))
{
bitmapKey?.SetValue("", $"{t.Assembly.Location}, {iconResourceIndex}",
RegistryValueKind.String);
}
// TypeLib
using (RegistryKey typeLibKey = registryKey?.CreateSubKey("TypeLib"))
{
Guid libId = Marshal.GetTypeLibGuidForAssembly(t.Assembly);
typeLibKey?.SetValue("", libId.ToString("B"), RegistryValueKind.String);
}
// Version
using (RegistryKey versionKey = registryKey?.CreateSubKey("Version"))
{
int major, minor;
Marshal.GetTypeLibVersionForAssembly(t.Assembly, out major, out minor);
versionKey?.SetValue("", $"{major}.{minor}");
}
}
EventLogWrapper.Log($"Control registered for {Bitness} applications: {t.FullName}, {key}",
EventLogEntryType.Information, 200);
}
catch (Exception ex)
{
EventLogWrapper.Log($"Control was not registered: {t.FullName}\n{ex}", EventLogEntryType.Error, 500);
}
}
void IComBrowserView.Dispose()
{
_engineWrapper.Dispose();
EventLogWrapper.Log("ComBrowserView disposed", EventLogEntryType.Information, 201);
}