/// <summary>
/// Provides startup services
/// </summary>
protected override void StartMyServices()
{
base.StartMyServices();
try
{
// assimilate the proprties of the starting executable
this.MorphAttributesToReflectStartingExecutable();
// use the window positioning engine to manage our state
WindowPositioningEngine.WindowPositioningEngineSnapIn.Instance.Manage(this, WindowPositioningEngineKey);
// wire up to previous instance events
SnapInHostingEngine.GetExecutingInstance().InstanceManager.CommandLineReceivedFromAnotherInstance += new ApplicationInstanceManagerEventHandler(OnCommandLineReceivedFromAnotherInstance);
// add ourself as a top level window to the hosting engine's application context
SnapInHostingEngine.Instance.ApplicationContext.AddTopLevelWindow(this);
// show ourself
this.Show();
}
catch (Exception ex)
{
Trace.WriteLine(ex);
}
}
/// <summary>
/// Provides shutdown services
/// </summary>
protected override void StopMyServices()
{
base.StopMyServices();
// wire up to previous instance events
SnapInHostingEngine.GetExecutingInstance().InstanceManager.CommandLineReceivedFromAnotherInstance -= new ApplicationInstanceManagerEventHandler(OnCommandLineReceivedFromAnotherInstance);
// close ourself
this.Close();
}
public SnapInDescriptorsWindow(SnapInDescriptor[] descriptors)
{
this.InitializeComponent();
this.InitializesSortManagers();
this.DisplayDescriptors(descriptors);
// this.SelectFirstItem();
SnapInHostingEngine.GetExecutingInstance().SnapInStarted += new SnapInDescriptorEventHandler(SnapInDescriptorsWindow_SnapInStarted);
SnapInHostingEngine.GetExecutingInstance().SnapInStopped += new SnapInDescriptorEventHandler(SnapInDescriptorsWindow_SnapInStopped);
SnapInHostingEngine.GetExecutingInstance().SnapInInstalled += new SnapInDescriptorEventHandler(SnapInDescriptorsWindow_SnapInInstalled);
SnapInHostingEngine.GetExecutingInstance().SnapInUninstalled += new SnapInDescriptorEventHandler(SnapInDescriptorsWindow_SnapInUninstalled);
}
/// <summary>
/// Returns an instance of the ISnapIn that supports the Type specified by the SubClass of this SnapInProxy.
/// </summary>
/// <param name="instance"></param>
/// <param name="hostingEngine"></param>
/// <returns></returns>
public bool GetInstance(out object instance)
{
instance = null;
try
{
SnapInDescriptor descriptor = SnapInHostingEngine.GetExecutingInstance().FindDescriptorByType(this.GetTypeForReferenceInternal());
if (descriptor != null)
{
instance = descriptor.SnapIn;
return(true);
}
}
catch (System.Exception systemException)
{
_lastException = systemException;
}
return(false);
}
private void DisplayReferencesFor(TreeNodeCollection nodes, SnapInDescriptor descriptor)
{
foreach (Type t in descriptor.Dependencies)
{
SnapInDescriptor dependencyDescriptor = SnapInHostingEngine.GetExecutingInstance().FindDescriptorByType(t);
if (dependencyDescriptor != null)
{
TreeNode node = new TreeNode(dependencyDescriptor.MetaData.Title);
node.Tag = dependencyDescriptor;
if (dependencyDescriptor.IsUninstalled)
{
node.ForeColor = SystemColors.GrayText;
}
node.Nodes.Add(string.Empty);
nodes.Add(node);
}
}
}
private void DisplayReferencesTo(TreeNodeCollection nodes, SnapInDescriptor descriptor)
{
SnapInDescriptor[] descriptors = SnapInHostingEngine.GetExecutingInstance().SnapInDescriptors;
foreach (SnapInDescriptor otherDescriptor in descriptors)
{
foreach (Type t in otherDescriptor.Dependencies)
{
if (t == descriptor.Type)
{
TreeNode node = new TreeNode(otherDescriptor.MetaData.Title);
node.Tag = otherDescriptor;
if (otherDescriptor.IsUninstalled)
{
node.ForeColor = SystemColors.GrayText;
}
node.Nodes.Add(string.Empty);
nodes.Add(node);
}
}
}
}
/// <summary>
/// Reflect upon the starting executable and snag it's properties
/// </summary>
protected void MorphAttributesToReflectStartingExecutable()
{
try
{
Assembly assembly = SnapInHostingEngine.GetExecutingInstance().StartingExecutable;
if (assembly != null)
{
// snag the name of the file minus path and extention and set it as the heading
string filename = System.IO.Path.GetFileName(assembly.Location);
filename = filename.Replace(System.IO.Path.GetExtension(assembly.Location), null);
AssemblyAttributeReader reader = new AssemblyAttributeReader(assembly);
// snag the company that made the assembly, and set it in the title
System.Reflection.AssemblyCompanyAttribute[] companyAttributes = reader.GetAssemblyCompanyAttributes();
if (companyAttributes != null)
{
if (companyAttributes.Length > 0)
{
if (companyAttributes[0].Company != null && companyAttributes[0].Company != string.Empty)
{
this.Text = filename; // companyAttributes[0].Company + " " + filename;
}
}
}
// snag the image from the assembly, it should be an executable so...
Icon icon = ShellInformation.GetIconFromPath(assembly.Location, IconSizes.SmallIconSize, IconStyles.NormalIconStyle, FileAttributes.Normal);
if (icon != null)
{
this.Icon = icon;
}
}
}
catch (System.Exception systemException)
{
System.Diagnostics.Trace.WriteLine(systemException);
}
}
/// <summary>
/// Occurs when the Options menu item is clicked
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnOptionsClicked(object sender, EventArgs e)
{
SnapInHostingEngine.GetExecutingInstance().ShowConfigurationWindow(this);
}
/// <summary>
/// Occurs when the SnapIns menu item is clicked
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnSnapInsClicked(object sender, EventArgs e)
{
SnapInHostingEngine.GetExecutingInstance().ShowSnapInsWindow(this);
}
/// <summary>
/// Occurs when the Features menu item is clicked
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnFeaturesClicked(object sender, EventArgs e)
{
FeatureEngine.ShowFeatureWindow(this, SnapInHostingEngine.GetExecutingInstance());
}
/// <summary>
/// Occurs when a window position listener needs a configuration to read/write to/from
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnListenerNeedsConfiguration(object sender, XmlConfigurationEventArgs e)
{
/// save everything to the local user configuration
e.Element = SnapInHostingEngine.GetExecutingInstance().LocalUserConfiguration;
}
