private void button7_Click_1(object sender, EventArgs e) { string mcuName = (comboBox2.Text); //MCU NAME string flashParam = (comboBox1.Text); //FLASH PARAM string flashApl = (comboBox3.Text); //FLASH APL mcuName = mcuName.Trim(); flashParam = flashParam.Trim(); flashApl = flashApl.Trim(); UsefulMethods.generareTxt(mcuName, flashParam, flashApl); }