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#region 自定义变量 int currentCol = -1; bool sort; #endregion//列头点击事件private void lvw_ColumnClick(object sender, ColumnClickEventArgs e) { string Asc = ((char)0x25bc).ToString().PadLeft(4, ' '); string Des = ((char)0x25b2).ToString().PadLeft(4, ' '); if (sort == false) { sort = true; string oldStr = this.lvw.Columns[e.Column].Text.TrimEnd((char)0x25bc, (char)0x25b2, ' '); this.lvw.Columns[e.Column].Text = oldStr + Des; } else if (sort == true) { sort = false; string oldStr = this.lvw.Columns[e.Column].Text.TrimEnd((char)0x25bc, (char)0x25b2, ' '); this.lvw.Columns[e.Column].Text = oldStr + Asc; } if(lvw.Columns[e.Column].Tag.ToString()=="n")//在设计器中把列头的tag设为"n",则表示该列按数字比较器处理,否则为文本 lvw.ListViewItemSorter = new ListViewItemComparerNum(e.Column, sort); else lvw.ListViewItemSorter = new ListViewItemComparer(e.Column, sort); this.lvw.Sort(); int rowCount = this.lvw.Items.Count; if (currentCol != -1) { if (e.Column != currentCol) this.lvw.Columns[currentCol].Text = this.lvw.Columns[currentCol].Text.TrimEnd((char)0x25bc, (char)0x25b2, ' '); } currentCol = e.Column; }//文本比较器public class ListViewItemComparer : IComparer { public bool sort_b; public SortOrder order = SortOrder.Ascending; private int col; public ListViewItemComparer() { col = 0; } public ListViewItemComparer(int column, bool sort) { col = column; sort_b = sort; } public int Compare(object x, object y) { if (sort_b) { return String.Compare(((ListViewItem)x).SubItems[col].Text, ((ListViewItem)y).SubItems[col].Text); } else { return String.Compare(((ListViewItem)y).SubItems[col].Text, ((ListViewItem)x).SubItems[col].Text); } } } //数字比较器 public class ListViewItemComparerNum : IComparer { public bool sort_b; public SortOrder order = SortOrder.Ascending; private int col; public ListViewItemComparerNum() { col = 0; } public ListViewItemComparerNum(int column, bool sort) { col = column; sort_b = sort; } public int Compare(object x, object y) { decimal d1=Convert.ToDecimal(((ListViewItem)x).SubItems[col].Text); decimal d2=Convert.ToDecimal(((ListViewItem)y).SubItems[col].Text); if (sort_b) { return decimal.Compare(d1,d2); } else { return decimal.Compare(d2,d1); } } } |
以上这篇C# listview 点击列头排序的实例就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持服务器之家。
