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C# Winform 獲得下拉框 選中的值

     string PrintName = cmbPrinter.SelectedIndex.ToString();
            PrintName = cmbPrinter.SelectedItem.ToString(); //
            if (cmbPrinter.SelectedIndex != 0)
            {

            }

            string PrintName = "";
            PrintName = cmbPrinter.SelectedItem.ToString(); //"Gprinter GP-1124T0"
var ss0 = cmbPrinter.Text; //Gprinter GP-1124T0" var ss = cmbPrinter.SelectedIndex.ToString(); // 0