private void buttonCustomData_Click(object sender, EventArgs e) { if (string.IsNullOrEmpty(textBoxCustomDataName.Text.Trim()) || string.IsNullOrEmpty(textBoxCustomDataValue.Text.Trim())) { MessageBox.Show(this, "A required field is empty", Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Error); return; } _watcher.CustomData(textBoxCustomDataName.Text.Trim(), textBoxCustomDataValue.Text.Trim()); MessageBox.Show(this, "Tracked: Custom Data", Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information); }