C#

void TreeView1ItemDrag(object sender, ItemDragEventArgs e)
{
  string[] stuff = new string[1];
  stuff[0] = @"http://www.google.co.uk"; // or e.Item.ToString() or however you've got your address in there
.
  //Create a new data object with the FileDrop type
  DataObject data = new DataObject(DataFormats.FileDrop, stuff);
.
  //And IE only wants Copy, it doesn't like move or whatever
  this.treeView1.DoDragDrop(data, DragDropEffects.Copy);
}

TheFoZ wrote:

but I get an error saying that SelectedRows is a property but it is being used as a method.

foreach(DataGridRow myRow in myDataGrid.Rows)
{
    // do what ever you need to do with the row
}

HarveySaayman wrote:

posible to have more than one selected row in a dataGridView unless otherwise set up by you in design time

public abstract class Command : Message
{
   protected byte[] CompileCommandPacketPart()
   {
   }
 
   public virtual byte[] CompilePacket()
   {
         // Compiles the generic parts of the command
         CompileCommonPacketPart();
         CompileCommandPacketPart();
   }
}
 
public class MyCommand : Command
{
   public override byte[] CompilePacket()
   {
      base.CompilePacket();
      // Adds parts specific to this command
   }
}

public abstract class Command : Message
{
   protected byte[] CompileCommandPacketPartInternal()
   {
   }
 
   protected abstract byte[] CompileCommandPacketPart()
   {
   }
 
   protected byte[] CompilePacket()
   {
         // Compiles the generic parts of the command
         CompileCommonPacketPart();
         CompileCommandPacketPartInternal();
         CompileCommandPacketPart();
   }
}
 
public class MyCommand : Command
{
   public override byte[] CompileCommandPacketPart()
   {
      // Adds parts specific to this command
   }

public abstract class Message
{
    // Properties & methods representing fields common to all messages
    protected virtual byte[] CompilePacket()
    {
        // Compiles a part of the packet from the common fields
    }
}

public abstract class Command : Message
{
    // Additional fields and methods available for all commands
    protected override byte[] CompilePacket()
    {
        base.CompilePacket();

        // Compiles a part of the packet from command-specific data
    }
}

public abstract class Response : Message
{
    // Additional fields and methods available for all responses
    protected override byte[] CompilePacket()
    {
        base.CompilePacket();

        // Compiles a part of the packet from response-specific data
    }
}

public class MyCommand : Command
{
    // Concrete command class, adds data
    // specific to this particular command
    public byte[] CompileCustomPacket()
    {
        base.CompilePacket();

                    // Adds parts specific to this command
    }
}

public abstract class Message
{
    public byte[] CompilePacket()
    {
       CompileCommonPacketPart();
       CompileCommandPacketPart();
       CompilePacketInternal();
    }

    protected abstract byte[] CompilePacketInternal();
}

public class MyCommand : Command
{ 
   protected override byte[] CompilePacketInternal() {}
}

Assembly MyAssembly = Assembly.LoadFile(Application.StartupPath + "\\MyDll.dll");

Type[] myClasses;
myClasses = MyAssembly.GetTypes();

MethodInfo[] mi;
mi = myClasses[i].GetMethods(); // ith class

ParameterInfo[] pi;
pi = mi[i].GetParameters();