ComboBox.SelectedItem

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写一个类:

    public class ActivityDto
    {
        private string name;
        private string value;
        private string para;

        public string Name
        {
            get { return name; }
            set { name = value; }
        }

        public string Value
        {
            get { return value; }
            set { this.value = value; }
        }

        public string Para
        {
            get { return para; }
            set { para = value; }
        }
    }

给一个ComboBox绑定值：

List<ActivityDto> dtolist=List<ActivityDto>();

dtolist.AddRange(..);

cboActivity.DataSource=dtolist

            cboActivity.DisplayMember = "Name";
            cboActivity.ValueMember = "Value";
            cboActivity.SelectedIndex = 0;

取值：

ActivityDto dto = cboActivity.SelectedItem as ActivityDto;