private void menu_ShowMain_Click(object sender, System.EventArgs e) { try { if (this.listView1.SelectedItems.Count < 1) { MessageBox.Show(this, "请先选择数据项!", "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Information); return; } int count = 0; foreach (ListViewItem item in this.listView1.SelectedItems) { string Guid = item.SubItems[0].Text; addin.DeleteAddIn(Guid); listView1.Items.Remove(listView1.SelectedItems[0]); count++; } BindlistView(); LoadAddinFile(); MessageBox.Show(this, count + "项已删除。", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information); } catch (System.Exception ex) { MessageBox.Show(this, "删除失败,请重试!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information); LogInfo.WriteLog(ex); } }