[Mono-bugs] [Bug 511849] New: Retrieving DataObjects placed onto Clipboard doesn't preserve custom formats. .NET difference

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http://bugzilla.novell.com/show_bug.cgi?id=511849


           Summary: Retrieving DataObjects placed onto Clipboard doesn't
                    preserve custom formats. .NET difference
    Classification: Mono
           Product: Mono: Class Libraries
           Version: SVN
          Platform: x86
        OS/Version: Ubuntu
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Windows.Forms
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: tom_hindle at sil.org
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---


Created an attachment (id=297283)
 --> (http://bugzilla.novell.com/attachment.cgi?id=297283)
program placing an receiving DataObjects, containing CustomFormats, on and off
the Clipboard

User-Agent:       Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.0.10)
Gecko/2009042523 Ubuntu/9.04 (jaunty) Firefox/3.0.10


For example (given a Serializable class - MyStream):

MyStream s = new MyStream()

DataObject orig = new DataObject();
orig.SetData("IStream", s);
Clipboard.SetDataObject(orig);

IDataObject newDataObj = Clipboard.GetDataObject();
Assert((newDataObj.GetData("IStream") as MyStream) != null); // fails


This works on .NET


Reproducible: Always

Steps to Reproduce:
1.Compile and run attached TestCase
2.
3.
Actual Results:  
53
hello world


Unhandled Exception: System.NullReferenceException: Object reference not set to
an instance of an object
  at ConsoleApplication5.Program.Main (System.String[] args) [0x0006c] in
/home/hindlet/DataObjectTest/DataObjectTest/ClipboardTest.cs:93 

Expected Results:  
53
hello world
53
hello world

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