private void SetRegistryKey()
        {
            string skey = mKey;

            if (mKey.Length == 19)
            {
                if (ActivationKey.SetRegistryKey(skey))
                {
                    _IsSuccess            = true;
                    pbImgRightWrong.Image = ((System.Drawing.Image)(resources.GetObject("pbImgRightWrong.Image")));
                }
                else
                {
                    _IsSuccess            = false;
                    pbImgRightWrong.Image = global::DAPRO.Properties.Resources.Exit;
                    MessageBox.Show("Please enter a valid serial key.", "Invalid Key", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                    txtKey1.Select();
                }
            }
            else
            {
                _IsSuccess            = false;
                pbImgRightWrong.Image = global::DAPRO.Properties.Resources.Exit;
                MessageBox.Show("Please enter a fourteen digit serial key.", "Invalid Key", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                txtKey1.Select();
            }
        }
        private void pasteToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (txtKey1.Focused || txtKey2.Focused || txtKey3.Focused || txtKey4.Focused)
            {
                pbImgRightWrong.Image = ((System.Drawing.Image)(resources.GetObject("pbImgRightWrong.Image")));
                _IsSuccess            = true;
                txtKey1.Text          = "";
                txtKey2.Text          = "";
                txtKey3.Text          = "";
                txtKey4.Text          = "";

                string Copydate = Clipboard.GetText().Trim();
                // Clipboard.Clear();
                string[] key = Copydate.Split('-');
                try
                {
                    txtKey1.Text = key[0];
                    txtKey2.Text = key[1];
                    txtKey3.Text = key[2];
                    txtKey4.Text = key[3];
                }
                catch (Exception)
                {
                    _IsSuccess            = false;
                    pbImgRightWrong.Image = global::DAPRO.Properties.Resources.Exit;
                }
            }
            //***********Check valid or not**************************
            if (mKey.Length == 19)
            {
                if (!ActivationKey.SetRegistryKey(mKey))
                {
                    btnActivated.Enabled  = false;
                    btnActivated.Enabled  = false;
                    pbImgRightWrong.Image = global::DAPRO.Properties.Resources.Exit;
                    return;
                }
                else
                {
                    btnActivated.Enabled  = true;
                    _IsSuccess            = true;
                    pbImgRightWrong.Image = ((System.Drawing.Image)(resources.GetObject("pbImgRightWrong.Image")));
                    btnActivated.Enabled  = true;
                }
            }
        }