C#

<br />
+		[System.InvalidCastException]	{"<br />
[A]MyLib.SomeAccount cannot be cast to [B]MyLib.SomeAccount. <br />
Type A originates from in the context 'Default' at location <br />
'Y:\\MySrcCode\\FolderA\\Debug\\MyAcct.dll'. <br />
Type B originates from 'MyLib, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' in the context 'LoadFrom' at location <br />
'Y:\\MySrcCode\\FolderB\\Debug\\MyAcct.dll'."}	System.InvalidCastException<br />

<br />
There was an error while trying to serialize parameter http://CalcProcessWCF:req. The InnerException message was 'Type 'System.String[]' with data contract name 'ArrayOfstring:http://schemas.microsoft.com/2003/10/Serialization/Arrays' is not expected. Add any types not known statically to the list of known types - for example, by using the KnownTypeAttribute attribute or by adding them to the list of known types passed to DataContractSerializer.'.  Please see InnerException for more details.<br />

<br />
foreach (var operation in proxy.Endpoint.Contract.Operations)  <br />
{  <br />
   operation.KnownTypes.Add(typeof(MyDynamicallyAddedKnownType));  <br />
} <br />

Form1 form1 = new Form1();<br />
 if (e.KeyData == Keys.Escape)<br />
 {<br />
     this.Visible = false;<br />
     form1.timeToolStripMenuItem.Checked = false;<br />
 }