static void Main(string[] Args)
{
// Connect the application to console to have proper output there if requested.
bool consoleRedirectionWorked = Win32Api.RedirectConsole();
// Start with command line parsing.
string userDir = System.IO.Path.Combine(System.IO.Path.Combine(
Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
"MySQL"), "Workbench");
Logger.InitLogger(userDir);
if (!consoleRedirectionWorked)
Logger.LogError("Workbench", "Console redirection failed.\n");
System.Reflection.Assembly asm = System.Reflection.Assembly.GetEntryAssembly();
string baseDir = System.IO.Path.GetDirectoryName(asm.Location);
WbOptions wbOptions = new WbOptions(baseDir, userDir, true);
if (!wbOptions.parse_args(Args, asm.Location))
{
Logger.LogInfo("Workbench", "Command line params told us to shut down.\n");
return;
}
PrintInitialLogInfo();
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
// Hook into the exception handling to establish our own handling.
AppDomain currentDomain = AppDomain.CurrentDomain; // CLR
currentDomain.UnhandledException += new UnhandledExceptionEventHandler(OnUnhandledException);
Application.ThreadException += // Windows Forms
new System.Threading.ThreadExceptionEventHandler(OnGuiUnhandledException);
// Read some early values which cannot be stored in the preferences (since they are loaded
// later) from registry.
bool singleInstance = true;
string lastVersion = "";
string currentVersion = GetApplicationMetaInfo(ApplicationMetaInfo.Version);
Logger.LogInfo("Workbench", "Current version given by meta info is: " + currentVersion + '\n');
RegistryKey wbKey = Registry.CurrentUser;
try
{
wbKey = wbKey.OpenSubKey(@"Software\Oracle\MySQL Workbench", false);
if (wbKey != null)
{
if (wbKey.GetValue("DisableSingleInstance", 0).ToString() == "1")
singleInstance = false;
lastVersion = wbKey.GetValue("LastStartedAs", "").ToString();
}
else
Registry.CurrentUser.CreateSubKey(@"Software\Oracle\MySQL Workbench");
}
catch (Exception e)
{
Logger.LogError("Workbench", "Error while checking single instance reg key: " + e.Message + '\n');
}
finally
{
if (wbKey != null)
wbKey.Close();
}
// First check if this is the first instance of Workbench (if enabled).
// The setting for single-instance is stored in the registry as it is Windows-only
// and loading of the application settings happens later.
if (singleInstance)
{
if (!ApplicationInstanceManager.CreateSingleInstance(
Assembly.GetExecutingAssembly().GetName().Name, Args, SingleInstanceCallback))
{
Logger.LogInfo("Workbench", "Exiting as another instance of WB is already running.\n");
return;
}
}
// Give the main thread a proper name, so we can later check for it when needed.
Thread.CurrentThread.Name = "mainthread";
// Change the working dir to to application path.
// This is necessary because all our internal data files etc. are located under the app dir
// and WB could have been called from a different dir.
string workdir = System.IO.Directory.GetCurrentDirectory();
System.IO.Directory.SetCurrentDirectory(baseDir);
// Next check if this is the first start of a new version of WB. In this case remove all
// compiled python files. They will be automatically recreated and can produce problems
// under certain circumstances.
if (currentVersion != lastVersion)
{
Logger.LogInfo("Workbench", "This is the first start of a new version. Doing some clean up.\n");
List<string> failed = new List<string>();
RemoveCompiledPythonFiles(baseDir, failed);
// TODO: decide if we wanna ask the user to remove those files manually or just ignore them.
}
// Some people don't have c:\windows\system32 in PATH, so we need to set it here
// for WBA to find the needed commands
String systemFolder = Environment.GetFolderPath(Environment.SpecialFolder.System);
String cleanedPath = Environment.GetEnvironmentVariable("PATH");
String []paths= cleanedPath.Split(new char[]{';'});
cleanedPath = "";
// Strip all python related dirs from PATH to avoid conflicts with other Python installations.
foreach (String path in paths)
{
if (!path.ToLower().Contains("python"))
cleanedPath = cleanedPath + ";" + path;
}
Environment.SetEnvironmentVariable("PATH", systemFolder + cleanedPath);
Logger.LogInfo("Workbench", "Setting PATH to: " + systemFolder + cleanedPath + '\n');
// Clear PYTHONPATH environment variable, as we do not need it but our python impl
// seriously gets confused with it.
Environment.SetEnvironmentVariable("PYTHONPATH", workdir + "\\python\\Lib;" + workdir + "\\python\\DLLs;" + workdir + "\\python");
Environment.SetEnvironmentVariable("PYTHONHOME", workdir + "\\python");
// Initialize forms stuff.
MySQL.Forms.Manager formsManager = MySQL.Forms.Manager.get_instance(); // Creates the singleton.
// init extra mforms things that are delegated to the frontend, indirectly through RecordsetWrapper in wbpublic
MySQL.Grt.Db.RecordsetWrapper.init_mforms(MySQL.Grt.Db.RecordsetView.create);
#region Runtime path check
// Currently WB has trouble running from a path containing non-ASCII characters.
// Actually, our third party libraries have (namely lua, python, ctemplate),
// as they don't consider Unicode file names (encoded as UTF-8) which leads to file-not-found
// errors. Refuse to work in such a path for now.
foreach (Char c in baseDir)
if (c > 0x7f)
{
MessageBox.Show("MySQL Workbench cannot be executed from a path that contains non-ASCII characters.\n"+
"This problem is imposed by used third-party libraries.\n" +
"Please run this application from the default installation path or at least a path which is all ASCII characters.",
"MySQL Workbench Execution Problem", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
#endregion
#region Release check (outdated beta or rc version)
// check the date of the executable and suggest to install a new version if this is a beta or rc
if (GetApplicationMetaInfo(ApplicationMetaInfo.Configuration).ToUpper().IndexOf("BETA") >= 0 ||
GetApplicationMetaInfo(ApplicationMetaInfo.Configuration).ToUpper().IndexOf("RC") >= 0)
{
DateTime fileDate = System.IO.File.GetCreationTime(Application.ExecutablePath);
if (DateTime.Now.Subtract(fileDate).TotalDays > 45)
{
Logger.LogInfo("Workbench", "Found an old WB pre release. Showing warning.\n");
if (MessageBox.Show("This version of MySQL Workbench is older than 45 days and most probably outdated. "
+ Environment.NewLine
+ "It is recommended to upgrade to a newer version if available. "
+ Environment.NewLine
+ "Press [OK] to check for a new version and exit the application. "
+ "Press [Cancel] to continue using this version.",
"MySQL Workbench Version Outdated", MessageBoxButtons.OKCancel,
MessageBoxIcon.Warning, MessageBoxDefaultButton.Button1) == DialogResult.OK)
{
CheckForNewVersion();
return;
}
}
}
#endregion
#region Variables and Splashscreen
#endregion
#region Initialize GRT
// Try to instantiate the Workbench context and the GRT Manager and catch exceptions
try
{
// Create Workbench Context
wbContext = new WbContext(wbOptions.Verbose);
if (wbContext != null)
{
// Create the GRT Manager instance
grtManager = wbContext.get_grt_manager();
}
}
catch (Exception ex)
{
HandleException(ex);
}
#endregion
// If the Workbench Context and GRT Manager were successfully created,
// initialize the application
if (wbContext != null && grtManager != null)
{
#region Initialize Callbacks and Mainform
mainForm = new MainForm(wbContext);
// Initialize the Workbench context
ManagedApplication formsApplication = new ManagedApplication(
new AppCommandDelegate(mainForm.ApplicationCommand),
mainForm.dockDelegate);
callbacks = new WbFrontendCallbacks(
new WbFrontendCallbacks.StrStrStrStrDelegate(mainForm.ShowFileDialog),
new WbFrontendCallbacks.VoidStrDelegate(mainForm.ShowStatusText),
new WbFrontendCallbacks.BoolStrStrFloatDelegate(mainForm.ShowProgress),
new WbFrontendCallbacks.CanvasViewStringStringDelegate(mainForm.CreateNewDiagram),
new WbFrontendCallbacks.VoidCanvasViewDelegate(mainForm.DestroyView),
new WbFrontendCallbacks.VoidCanvasViewDelegate(mainForm.SwitchedView),
new WbFrontendCallbacks.VoidCanvasViewDelegate(mainForm.ToolChanged),
new WbFrontendCallbacks.IntPtrGRTManagerModuleStrStrGrtListFlagsDelegate(mainForm.OpenPlugin),
new WbFrontendCallbacks.VoidIntPtrDelegate(mainForm.ShowPlugin),
new WbFrontendCallbacks.VoidIntPtrDelegate(mainForm.HidePlugin),
new WbFrontendCallbacks.VoidRefreshTypeStringIntPtrDelegate(mainForm.RefreshGUI),
new WbFrontendCallbacks.VoidBoolDelegate(mainForm.LockGUI),
new WbFrontendCallbacks.VoidStrDelegate(mainForm.PerformCommand),
new WbFrontendCallbacks.BoolDelegate(mainForm.QuitApplication));
// TODO: check return value and show error message.
// Currently the return value is always true. In case of an error an exception is raised.
// That should change.
wbContext.init(callbacks, wbOptions,
new WbContext.VoidStrUIFormDelegate(mainForm.CreateMainFormView)
);
// command registration must be done after WBContext init
mainForm.PostInit();
// Set the Application.Idle event handler
Application.Idle += new EventHandler(OnApplicationIdle);
// Don't call the idle handler too often.
timer = new System.Windows.Forms.Timer();
timer.Interval = 100;
timer.Tick += new EventHandler(timer_Tick);
timer.Start();
// Trigger GRT idle tasks
grtManager.perform_idle_tasks();
// Setup Menus
wbContext.validate_edit_menu();
mainForm.Show();
Logger.LogInfo("Workbench", "UI is up\n");
// Tell the backend our main UI is ready. This will also load a model if it was given via command line
// and opens the overview form for it.
wbContext.finished_loading(wbOptions);
// Right before we go to work and everything was loaded write the current version to registry
// to allow us later to find out if we ran a new version the first time.
try
{
wbKey = Registry.CurrentUser.OpenSubKey(@"Software\Oracle\MySQL Workbench", true);
if (wbKey != null)
wbKey.SetValue("LastStartedAs", currentVersion);
}
catch (Exception e)
{
Logger.LogError("Workbench", "Couldn't write regkey LastStartedAs: " + e.Message + '\n');
}
finally
{
if (wbKey != null)
wbKey.Close();
}
// Start the Application if we are not already shutting down.
if (!wbContext.is_quitting())
{
try
{
Logger.LogInfo("Workbench", "Running the application\n");
Application.Run(new ApplicationContext(mainForm));
}
catch (Exception e)
{
HandleException(e);
}
}
#endregion
Logger.LogInfo("Workbench", "Shutting down Workbench\n");
timer.Stop();
timer.Dispose();
// shutdown wb context
if (wbContext != null)
{
while (wbContext.is_busy())
wbContext.flush_idle_tasks();
wbContext.finalize();
wbContext.Dispose();
}
formsApplication.Dispose();
formsManager.Dispose();
GC.Collect();
}
Win32Api.ReleaseConsole();
Logger.LogInfo("Workbench", "Done\n");
}
static void Main(string[] Args)
{
// Connect the application to console to have proper output there if requested.
bool consoleRedirectionWorked = Win32Api.RedirectConsole();
// Start with command line parsing.
string userDir = System.IO.Path.Combine(System.IO.Path.Combine(
Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
"MySQL"), "Workbench");
Logger.InitLogger(userDir);
if (!consoleRedirectionWorked)
{
Logger.LogError("Workbench", "Console redirection failed.\n");
}
System.Reflection.Assembly asm = System.Reflection.Assembly.GetEntryAssembly();
string baseDir = System.IO.Path.GetDirectoryName(asm.Location);
WbOptions wbOptions = new WbOptions(baseDir, userDir, true);
if (!wbOptions.parse_args(Args, asm.Location))
{
Logger.LogInfo("Workbench", "Command line params told us to shut down.\n");
return;
}
wbOptions.analyzeCommandLineArguments();
PrintInitialLogInfo();
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
// Hook into the exception handling to establish our own handling.
AppDomain currentDomain = AppDomain.CurrentDomain; // CLR
currentDomain.UnhandledException += new UnhandledExceptionEventHandler(OnUnhandledException);
Application.ThreadException += // Windows Forms
new System.Threading.ThreadExceptionEventHandler(OnGuiUnhandledException);
// Read some early values which cannot be stored in the preferences (since they are loaded
// later) from registry.
bool singleInstance = true;
string lastVersion = "";
string currentVersion = GetApplicationMetaInfo(ApplicationMetaInfo.Version);
Logger.LogInfo("Workbench", "Current version given by meta info is: " + currentVersion + '\n');
RegistryKey wbKey = Registry.CurrentUser;
try
{
wbKey = wbKey.OpenSubKey(@"Software\Oracle\MySQL Workbench", false);
if (wbKey != null)
{
if (wbKey.GetValue("DisableSingleInstance", 0).ToString() == "1")
{
singleInstance = false;
}
lastVersion = wbKey.GetValue("LastStartedAs", "").ToString();
}
else
{
Registry.CurrentUser.CreateSubKey(@"Software\Oracle\MySQL Workbench");
}
}
catch (Exception e)
{
Logger.LogError("Workbench", "Error while checking single instance reg key: " + e.Message + '\n');
}
finally
{
if (wbKey != null)
{
wbKey.Close();
}
}
// First check if this is the first instance of Workbench (if enabled).
// The setting for single-instance is stored in the registry as it is Windows-only
// and loading of the application settings happens later.
if (singleInstance)
{
if (!ApplicationInstanceManager.CreateSingleInstance(
Assembly.GetExecutingAssembly().GetName().Name, Args, SingleInstanceCallback))
{
Logger.LogInfo("Workbench", "Exiting as another instance of WB is already running.\n");
return;
}
}
// Give the main thread a proper name, so we can later check for it when needed.
Thread.CurrentThread.Name = "mainthread";
// Change the working dir to to application path.
// This is necessary because all our internal data files etc. are located under the app dir
// and WB could have been called from a different dir.
string workdir = System.IO.Directory.GetCurrentDirectory();
System.IO.Directory.SetCurrentDirectory(baseDir);
// Next check if this is the first start of a new version of WB. In this case remove all
// compiled python files. They will be automatically recreated and can produce problems
// under certain circumstances.
if (currentVersion != lastVersion)
{
Logger.LogInfo("Workbench", "This is the first start of a new version. Doing some clean up.\n");
List <string> failed = new List <string>();
RemoveCompiledPythonFiles(baseDir, failed);
// TODO: decide if we wanna ask the user to remove those files manually or just ignore them.
}
// Some people don't have c:\windows\system32 in PATH, so we need to set it here
// for WBA to find the needed commands
String systemFolder = Environment.GetFolderPath(Environment.SpecialFolder.System);
String cleanedPath = Environment.GetEnvironmentVariable("PATH");
String [] paths = cleanedPath.Split(new char[] { ';' });
cleanedPath = "";
// Strip all python related dirs from PATH to avoid conflicts with other Python installations.
foreach (String path in paths)
{
if (!path.ToLower().Contains("python"))
{
cleanedPath = cleanedPath + ";" + path;
}
}
Environment.SetEnvironmentVariable("PATH", systemFolder + cleanedPath);
Logger.LogInfo("Workbench", "Setting PATH to: " + systemFolder + cleanedPath + '\n');
// Clear PYTHONPATH environment variable, as we do not need it but our python impl
// seriously gets confused with it.
Environment.SetEnvironmentVariable("PYTHONPATH", workdir + "\\python\\Lib;" + workdir + "\\python\\DLLs;" + workdir + "\\python");
Environment.SetEnvironmentVariable("PYTHONHOME", workdir + "\\python");
// Initialize forms stuff.
MySQL.Forms.Manager formsManager = MySQL.Forms.Manager.get_instance(); // Creates the singleton.
// init extra mforms things that are delegated to the frontend, indirectly through RecordsetWrapper in wbpublic
MySQL.Grt.Db.RecordsetWrapper.init_mforms(MySQL.Grt.Db.RecordsetView.create);
#region Runtime path check
// Currently WB has trouble running from a path containing non-ASCII characters.
// Actually, our third party libraries have (namely lua, python, ctemplate),
// as they don't consider Unicode file names (encoded as UTF-8) which leads to file-not-found
// errors. Refuse to work in such a path for now.
foreach (Char c in baseDir)
{
if (c > 0x7f)
{
MessageBox.Show("MySQL Workbench cannot be executed from a path that contains non-ASCII characters.\n" +
"This problem is imposed by used third-party libraries.\n" +
"Please run this application from the default installation path or at least a path which is all ASCII characters.",
"MySQL Workbench Execution Problem", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
#endregion
#region Release check (outdated beta or rc version)
// check the date of the executable and suggest to install a new version if this is a beta or rc
if (GetApplicationMetaInfo(ApplicationMetaInfo.Configuration).ToUpper().IndexOf("BETA") >= 0 ||
GetApplicationMetaInfo(ApplicationMetaInfo.Configuration).ToUpper().IndexOf("RC") >= 0)
{
DateTime fileDate = System.IO.File.GetCreationTime(Application.ExecutablePath);
if (DateTime.Now.Subtract(fileDate).TotalDays > 45)
{
Logger.LogInfo("Workbench", "Found an old WB pre release. Showing warning.\n");
if (MessageBox.Show("This version of MySQL Workbench is older than 45 days and most probably outdated. "
+ Environment.NewLine
+ "It is recommended to upgrade to a newer version if available. "
+ Environment.NewLine
+ "Press [OK] to check for a new version and exit the application. "
+ "Press [Cancel] to continue using this version.",
"MySQL Workbench Version Outdated", MessageBoxButtons.OKCancel,
MessageBoxIcon.Warning, MessageBoxDefaultButton.Button1) == DialogResult.OK)
{
CheckForNewVersion();
return;
}
}
}
#endregion
#region Variables and Splashscreen
#endregion
#region Initialize GRT
// Try to instantiate the Workbench context and the GRT Manager and catch exceptions
try
{
// Create Workbench Context
wbContext = new WbContext(wbOptions.Verbose);
if (wbContext != null)
{
// Create the GRT Manager instance
grtManager = wbContext.get_grt_manager();
}
}
catch (Exception ex)
{
HandleException(ex);
}
#endregion
// If the Workbench Context and GRT Manager were successfully created,
// initialize the application
if (wbContext != null && grtManager != null)
{
#region Initialize Callbacks and Mainform
mainForm = new MainForm(wbContext);
// Initialize the Workbench context
ManagedApplication formsApplication = new ManagedApplication(
new AppCommandDelegate(mainForm.ApplicationCommand),
mainForm.dockDelegate);
callbacks = new WbFrontendCallbacks(
new WbFrontendCallbacks.StrStrStrStrDelegate(mainForm.ShowFileDialog),
new WbFrontendCallbacks.VoidStrDelegate(mainForm.ShowStatusText),
new WbFrontendCallbacks.BoolStrStrFloatDelegate(mainForm.ShowProgress),
new WbFrontendCallbacks.CanvasViewStringStringDelegate(mainForm.CreateNewDiagram),
new WbFrontendCallbacks.VoidCanvasViewDelegate(mainForm.DestroyView),
new WbFrontendCallbacks.VoidCanvasViewDelegate(mainForm.SwitchedView),
new WbFrontendCallbacks.VoidCanvasViewDelegate(mainForm.ToolChanged),
new WbFrontendCallbacks.IntPtrGRTManagerModuleStrStrGrtListFlagsDelegate(mainForm.OpenPlugin),
new WbFrontendCallbacks.VoidIntPtrDelegate(mainForm.ShowPlugin),
new WbFrontendCallbacks.VoidIntPtrDelegate(mainForm.HidePlugin),
new WbFrontendCallbacks.VoidRefreshTypeStringIntPtrDelegate(mainForm.RefreshGUI),
new WbFrontendCallbacks.VoidBoolDelegate(mainForm.LockGUI),
new WbFrontendCallbacks.VoidStrDelegate(mainForm.PerformCommand),
new WbFrontendCallbacks.BoolDelegate(mainForm.QuitApplication));
// TODO: check return value and show error message.
// Currently the return value is always true. In case of an error an exception is raised.
// That should change.
wbContext.init(callbacks, wbOptions,
new WbContext.VoidStrUIFormDelegate(mainForm.CreateMainFormView)
);
// command registration must be done after WBContext init
mainForm.PostInit();
// Set the Application.Idle event handler
Application.Idle += new EventHandler(OnApplicationIdle);
// Don't call the idle handler too often.
timer = new System.Windows.Forms.Timer();
timer.Interval = 100;
timer.Tick += new EventHandler(timer_Tick);
timer.Start();
// Trigger GRT idle tasks
grtManager.perform_idle_tasks();
// Setup Menus
wbContext.validate_edit_menu();
mainForm.Show();
Logger.LogInfo("Workbench", "UI is up\n");
// Tell the backend our main UI is ready. This will also load a model if it was given via command line
// and opens the overview form for it.
wbContext.finished_loading(wbOptions);
// Right before we go to work and everything was loaded write the current version to registry
// to allow us later to find out if we ran a new version the first time.
try
{
wbKey = Registry.CurrentUser.OpenSubKey(@"Software\Oracle\MySQL Workbench", true);
if (wbKey != null)
{
wbKey.SetValue("LastStartedAs", currentVersion);
}
}
catch (Exception e)
{
Logger.LogError("Workbench", "Couldn't write regkey LastStartedAs: " + e.Message + '\n');
}
finally
{
if (wbKey != null)
{
wbKey.Close();
}
}
// Start the Application if we are not already shutting down.
if (!wbContext.is_quitting())
{
try
{
Logger.LogInfo("Workbench", "Running the application\n");
Application.Run(new ApplicationContext(mainForm));
}
catch (Exception e)
{
HandleException(e);
}
}
#endregion
Logger.LogInfo("Workbench", "Shutting down Workbench\n");
timer.Stop();
timer.Dispose();
// shutdown wb context
if (wbContext != null)
{
while (wbContext.is_busy())
{
wbContext.flush_idle_tasks();
}
wbContext.finalize();
wbContext.Dispose();
}
formsApplication.Dispose();
formsManager.Dispose();
GC.Collect();
}
Win32Api.ReleaseConsole();
Logger.LogInfo("Workbench", "Done\n");
}
/// <summary>
/// Constructor that takes a WbContext and passes it to the sub-forms that get created
/// </summary>
/// <param name="WbContext">The WbContext Backend Wrapper</param>
public MainForm(WbContext WbContext)
: this()
{
wbContext = WbContext;
grtManager = wbContext.get_grt_manager();
dockDelegate = new MainPageDockDelegate(this, null);
tabImageList = new ImageList();
tabImageList.ColorDepth = ColorDepth.Depth32Bit;
tabImageList.ImageSize = new Size(18, 16);
ImageListHelper.Add(ApplicationCommand(AppCommand.AppGetResourcePath, "WB_Home.png"), tabImageList);
contentTabControl.ImageList = tabImageList;
// Create a timer to be triggered when the backend needs
timer = new System.Windows.Forms.Timer();
timer.Tick += new EventHandler(timer_Tick);
// Prepare Statusbar
PictureBox statusStripImg = new PictureBox();
statusStripImg.SizeMode = PictureBoxSizeMode.CenterImage;
statusStripImg.Image = Resources.statusbar_separator;
statusStripImg.BackColor = Color.Transparent;
ToolStripControlHost host = new ToolStripControlHost(statusStripImg);
host.Alignment = ToolStripItemAlignment.Right;
mainStatusStrip.Items.Add(host);
// output img
statusStripImg = new PictureBox();
statusStripImg.Name = "grtShellStripButton";
statusStripImg.SizeMode = PictureBoxSizeMode.CenterImage;
statusStripImg.Image = Resources.statusbar_output;
statusStripImg.BackColor = Color.Transparent;
statusStripImg.Click += new System.EventHandler(grtOutputImg_Click);
mainFormToolTip.SetToolTip(statusStripImg, "Display Output Window");
host = new ToolStripControlHost(statusStripImg);
host.Alignment = ToolStripItemAlignment.Right;
mainStatusStrip.Items.Add(host);
statusStripImg = new PictureBox();
statusStripImg.SizeMode = PictureBoxSizeMode.CenterImage;
statusStripImg.Image = Resources.statusbar_separator;
statusStripImg.BackColor = Color.Transparent;
host = new ToolStripControlHost(statusStripImg);
host.Alignment = ToolStripItemAlignment.Right;
mainStatusStrip.Items.Add(host);
// Listen to system color changes.
Microsoft.Win32.SystemEvents.UserPreferenceChanged += new Microsoft.Win32.UserPreferenceChangedEventHandler(PreferenceChangedHandler);
ManagedNotificationCenter.AddObserver(this, "GNColorsChanged");
ManagedNotificationCenter.AddObserver(this, "GNFocusChanged");
}