Problem in Form Show
<p>i wrote this code but when i run it the debugger prompt me "DragDrop registration did not succeed." in FormAdver.show(); line , how can i fix it ?</p>

<pre><code>    public void ResiveFunc(string FuncResive)
    {


        string FuncName = "";
        string FuncValue = "";
        for (int i = 0; i &lt;= 2; i++)
        {
            FuncName += FuncResive[i];
        }
        for (int j = 4; j &lt;= FuncResive.Length - 1; j++)
        {
            FuncValue += FuncResive[j];
        }
        MessageBox.Show(FuncName);
        MessageBox.Show(FuncValue);
        if (FuncName == "TAB")
        {
            Form1 mainForm = new Form1();
            frmAddver formAddver = new frmAddver();
            formAddver.Show();
            mainForm.AdverFilter(FuncValue);

        }
    }
</code></pre>
