How to display image from telerik radrichtextbox to richtextbox

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C#

Windows

application

actually i am using "telerik Wpf Editor",In that inbuilt insert picture property ,when user inserted picture into radrichtextbox and close the editor,i want to that picture into my richtextbox in windows form ....what can i do?
i am trying the following code:

public void ExportToRtf(string filepath)
    {
        RtfFormatProvider provider = new RtfFormatProvider();
        using (FileStream docStream = new FileStream(filepath, FileMode.OpenOrCreate))
        {
            provider.Export(radRichTextBox1.Document, docStream);
            docStream.Dispose();

        }
    }

and for loadrichtextbox:

public void loadrichtextbox()
     {
                 DataTable dt = new DataTable();
                 string path = "";
                 dt = objorgBAl.GetOrgDocstatus(Globalclass.Activedatabase);
                 if (dt.Rows.Count > 0)
                 {
                     if (dt.Rows[0]["DocCurrentStatus"].ToString() == "New" || dt.Rows[0]["DocCurrentStatus"].ToString() == "Approve" || dt.Rows[0]["DocCurrentStatus"].ToString()=="")
                     {
                         path = Globalclass.Activedatabase + objrootpath.DefaultOrgDocPath + "Missionandversion.rtf";
                         btnEditVision.Visible = true;
                         pnlLock.Visible = false;
                     }
                     else
                     {
                         path = Globalclass.Activedatabase + objrootpath.DefaultOrgDocPath + "Missionandversion_Lck.rtf";
                         pnlLock.Visible = true;
                         btnEditVision.Visible = false;
                     }
                 }
                 else
                 {
                     path = Globalclass.Activedatabase + objrootpath.DefaultOrgDocPath + "Missionandversion.rtf";
                     btnEditVision.Visible = true;
                     pnlLock.Visible = false;
                 }
                 if (File.Exists(path))
                 {
                     using (System.IO.FileStream streamRTF = new System.IO.FileStream(path, System.IO.FileMode.Open))
                     {
                         richTextBoxVision.LoadFile(streamRTF, RichTextBoxStreamType.RichText);
                         streamRTF.Dispose();
                     }
                 }
         }