/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnPublicClassDiscovered(object sender, RuntimeClassProviderEventArgs e)
{
try
{
// does type support the interface we are searching for? ISnapIn?
if (e.Type.GetInterface(_type.FullName) == null)
{
return;
}
try
{
// confirm the type is visible, some types may be marked with the SnapInVisibilityAttribute
if (this.IsTypeVisibleForHosting(e))
{
_array.Add(e);
}
}
catch (System.Exception systemException)
{
System.Diagnostics.Trace.WriteLine(systemException);
}
}
catch (System.Exception systemException)
{
System.Diagnostics.Trace.WriteLine(systemException);
}
}
// public Type[] GetPublicClasses(FileInfo fileInfo)
// {
// try
// {
// // try and load the file as a .net assembly
// Assembly assembly = Assembly.LoadFrom(fileInfo.FullName);
//
// // get the exported types from the assembly
// Type[] types = assembly.GetExportedTypes();
//
// if (types == null)
// return;
//
// foreach(Type t in types)
// // A public class that is not abstract
// if (t.IsClass && t.IsPublic && (!t.IsAbstract))
// OnPublicClassDiscovered(this, new RuntimeClassProviderEventArgs(assembly, t));
//
// types = null;
// assembly = null;
// }
// catch(BadImageFormatException)
// {
// // fileInfo.FullName is not a valid .NET assembly
// }
// catch(System.Exception systemException)
// {
// System.Diagnostics.Trace.WriteLine(systemException);
// }
// }
/// <summary>
/// Raises the PublicClassDiscovered event
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected virtual void OnPublicClassDiscovered(object sender, RuntimeClassProviderEventArgs e)
{
try
{
if (this.PublicClassDiscovered != null)
{
this.PublicClassDiscovered(sender, e);
}
}
catch (System.Exception systemException)
{
System.Diagnostics.Trace.WriteLine(systemException);
}
}
private bool IsTypeVisibleForHosting(RuntimeClassProviderEventArgs e)
{
try
{
// ok, yes, now make sure that no one has hidden it from the SnapInHostingEngine
SnapInAttributeReader r = new SnapInAttributeReader(e.Type);
SnapInVisibilityAttribute a = r.GetSnapInHostVisibilityAttribute();
if (a != null)
{
return(a.Visible);
}
}
catch (System.Exception systemException)
{
System.Diagnostics.Trace.WriteLine(systemException);
}
return(true);
}
private bool IsTypeVisibleForHosting(RuntimeClassProviderEventArgs e)
{
try
{
// ok, yes, now make sure that no one has hidden it from the SnapInHostingEngine
SnapInAttributeReader r = new SnapInAttributeReader(e.Type);
SnapInVisibilityAttribute a = r.GetSnapInHostVisibilityAttribute();
if (a != null)
return a.Visible;
}
catch(System.Exception systemException)
{
System.Diagnostics.Trace.WriteLine(systemException);
}
return true;
}
/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnPublicClassDiscovered(object sender, RuntimeClassProviderEventArgs e)
{
try
{
// does type support the interface we are searching for? ISnapIn?
if (e.Type.GetInterface(_type.FullName) == null)
return;
try
{
// confirm the type is visible, some types may be marked with the SnapInVisibilityAttribute
if (this.IsTypeVisibleForHosting(e))
_array.Add(e);
}
catch(System.Exception systemException)
{
System.Diagnostics.Trace.WriteLine(systemException);
}
}
catch(System.Exception systemException)
{
System.Diagnostics.Trace.WriteLine(systemException);
}
}
// public Type[] GetPublicClasses(FileInfo fileInfo)
// {
// try
// {
// // try and load the file as a .net assembly
// Assembly assembly = Assembly.LoadFrom(fileInfo.FullName);
//
// // get the exported types from the assembly
// Type[] types = assembly.GetExportedTypes();
//
// if (types == null)
// return;
//
// foreach(Type t in types)
// // A public class that is not abstract
// if (t.IsClass && t.IsPublic && (!t.IsAbstract))
// OnPublicClassDiscovered(this, new RuntimeClassProviderEventArgs(assembly, t));
//
// types = null;
// assembly = null;
// }
// catch(BadImageFormatException)
// {
// // fileInfo.FullName is not a valid .NET assembly
// }
// catch(System.Exception systemException)
// {
// System.Diagnostics.Trace.WriteLine(systemException);
// }
// }
/// <summary>
/// Raises the PublicClassDiscovered event
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected virtual void OnPublicClassDiscovered(object sender, RuntimeClassProviderEventArgs e)
{
try
{
if (this.PublicClassDiscovered != null)
this.PublicClassDiscovered(sender, e);
}
catch(System.Exception systemException)
{
System.Diagnostics.Trace.WriteLine(systemException);
}
}