C#实现绑定Combobox的方法

public class StaticVariable
{
  public Dictionary<string, string> tabTypeArray;
  public Dictionary<string, string> transTimeArray;
  public Dictionary<string, string> fileDealTypeArray;
  public StaticVariable()
  {
   tabTypeArray = new Dictionary<string, string>();  
   tabTypeArray.Add("1", "定长类型");
   tabTypeArray.Add("2", "非定长类型");
   tabTypeArray.Add("3", "手册压缩文件");
   tabTypeArray.Add("4", "dutyForm");
   tabTypeArray.Add("10", "Bulletin");
   tabTypeArray.Add("0", "未知类型");
   transTimeArray = new Dictionary<string, string>();
   transTimeArray.Add("-1", "实时处理");
   transTimeArray.Add("0", "不处理");
   fileDealTypeArray = new Dictionary<string, string>();
   fileDealTypeArray.Add("0", "普通文件");
   fileDealTypeArray.Add("1", "增量文件");
  }
}
void BinderCombobox()
{
 Common.StaticVariable staticVariable = new InsetApplication.Common.StaticVariable();
 foreach (string key in staticVariable.tabTypeArray.Keys)
 {
  cbTabType.Items.Add(new DictionaryEntry(key, staticVariable.tabTypeArray[key]));
 }
 foreach (string key in staticVariable.transTimeArray.Keys)
 {
  cbTransTime.Items.Add(new DictionaryEntry(key, staticVariable.transTimeArray[key]));
 }
 foreach (string key in staticVariable.fileDealTypeArray.Keys)
 {
  cbDealType.Items.Add(new DictionaryEntry(key, staticVariable.fileDealTypeArray[key]));
 }
 cbDealType.DisplayMember = "value";
 cbDealType.ValueMember = "key";
 cbTabType.DisplayMember = "value";
 cbTabType.ValueMember = "key";
 cbTransTime.DisplayMember = "value";
 cbTransTime.ValueMember = "key";
 if (cbTransTime.Items.Count > 0)
  cbTransTime.SelectedIndex = 0;
 if (cbDealType.Items.Count > 0)
  cbDealType.SelectedIndex = 0;
 if (cbTabType.Items.Count > 0)
  cbTabType.SelectedIndex = 0;
}