Add References Programmatically

<h1 class="wiki_h1">Add references programmatically</h1>

dll:

namespace TestDll
{
	public class TestDll
	{

		void Msg(string msg, string h)
		{
			MessageBox.Show(msg.ToString(), h.ToString());
		}
	}
}

و بنادي عليها في البرنامج

SW:

 
[DllImport("TestDll.dll"),]
public static extern void Hello();

// button to execute the Msg Method
private void BtnDll_Click(object sender, EventArgs e)
		{
			assem = Assembly.LoadFile("TestDll.dll");
			Object obj = assem.CreateInstance("TestDll", this);
			 obj.Msg(); // sure error

		}
// Or
// button to execute the Msg Method
 private void BtnDll_Click(object sender, EventArgs e)
		 {
			Hello();
		 }