Beispiel #1
0
        protected override void ValidatingHandler(object sender, System.ComponentModel.CancelEventArgs e)
        {
            FlashTank flashTank = this.FlashTankCtrl.FlashTank;
            TextBox   tb        = (TextBox)sender;

            if (tb.Text != null)
            {
                if (tb.Text.Trim().Equals(""))
                {
                    if (sender == this.textBoxName)
                    {
                        e.Cancel = true;
                        string message3 = "Please specify a name!";
                        MessageBox.Show(message3, "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                    }
                }
                else
                {
                    if (sender == this.textBoxName)
                    {
                        ErrorMessage error = flashTank.SpecifyName(this.textBoxName.Text);
                        if (error != null)
                        {
                            UI.ShowError(error);
                        }
                    }
                }
            }
        }