这篇文章主要为大家详细介绍了C# WinCE下ComboBox实现模糊搜索的方法，文中示例代码介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们可以参考一下。
private ComboBox ComboBoxCurrent = new ComboBox();
private ListView ListViewCurrent = new ListView();
private string strFlag = "";
private void P_DefinListViewPosition( Panel panelTemp)
{
System.Drawing.Point Location = new System.Drawing.Point(0, ComboBoxCurrent.Location.Y + ComboBoxCurrent.Height);
int Height = panelTemp.Height - (ComboBoxCurrent.Location.Y + ComboBoxCurrent.Height) - 30;
if (Height < 60)
{
Location = new Point(3, 50);
Height = ComboBoxCurrent.Location.Y - 50;
}
ListViewCurrent.Location = new Point(3, Location.Y + panelTemp.Location.Y);
ListViewCurrent.Height = Height;
ListViewCurrent.BackColor = Color.LightBlue;
//ListViewCurrent.Items[0].BackColor = System.Drawing.Color.Blue;
//ListViewCurrent.Items[0].Selected = true;
this.ListViewCurrent.Visible = true;
}
private void P_ListView_ICItem_DoubleClick(object sender, EventArgs e)
{
ListViewCurrent.Visible = false;
if (ListViewCurrent.SelectedIndices.Count == 0)
{
return;
}
DataRow row = this.ListViewCurrent.Items[this.ListViewCurrent.SelectedIndices[0]].Tag as DataRow;
//strFlag
ComboBoxCurrent.Text = row["FName"].ToString();
ComboBoxCurrent.Tag = row;
ComboBoxCurrent.Focus();
}
private void P_ListView_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Return)
{
P_ListView_ICItem_DoubleClick(sender, e);
return;
}
if (e.KeyCode == Keys.Escape)
{
ListViewCurrent.Visible = false;
ComboBoxCurrent.Focus();
return;
}
}
private void P_comboBox_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Return /*&& listViewToControl.Visible == false*/)
{
string FNumber = ComboBoxCurrent.Text.Trim();
if (FNumber.Length < 2)
{
labelStatus.Text = "搜索条件太短,请输入查询条件！";
return;
}
string strSQL = @"select top 50
t_ICItem.FItemID
,t_ICItem.FNumber
,t_ICItem.FName
,t_ICItem.FModel
,t1.FName as FUnitName
from t_ICItem Left Join t_MeasureUnit t1 on t_ICItem.FUnitID=t1.FItemID
where t_ICItem.FNumber like '%" + FNumber + @"%'
or t_ICItem.FName like '%" + FNumber + @"%'
";
DataTable tableTemp = new DataTable();
Cursor.Current = Cursors.WaitCursor;
uint uiBeginTime = BaseWin32Function.GetTickCount();//计时开始
if (true != ClassWebService.WebGetDataSetFromService(strSQL, ref tableTemp))
{
labelStatus.Text = "网络超时,请重新操作或检查连网状态！" + CPublicParameters.P_ReturnTimePassed(uiBeginTime).ToString();
return;
//网络失败，直接返回。
}
if (CPublicParameters.GetDataTableCountAll(tableTemp) < 1)
{
labelStatus.Text = "没有查询到任何记录，请重新操作！" + CPublicParameters.P_ReturnTimePassed(uiBeginTime).ToString();
return;
}
labelStatus.Text = "查找到记录" + CPublicParameters.GetDataTableCountAll(tableTemp).ToString() + @"条,请按上下键选择！" + CPublicParameters.P_ReturnTimePassed(uiBeginTime).ToString();
CPublicParameters.DatatableSort(ref tableTemp, "FNumber");
ListViewCurrent.Items.Clear();
ListViewCurrent.BeginUpdate();
for (int i = 0; i < CPublicParameters.GetDataTableCountAll(tableTemp); i++)
{
DataRow dtRow = tableTemp.Rows[i];
ListViewItem lv = new ListViewItem(new string[] { dtRow["FNumber"].ToString(), dtRow["FName"].ToString() });
lv.Tag = dtRow;
ListViewCurrent.Items.Add(lv);
}
ListViewCurrent.Columns[0].Text = "产品代码";
ListViewCurrent.Columns[0].Width = 100;
ListViewCurrent.Columns[1].Text = "名称";
ListViewCurrent.Columns[1].Width = 140;
this.ListViewCurrent.EndUpdate();
P_DefinListViewPosition(panel6);
return;
}
if (e.KeyCode == Keys.Up && ListViewCurrent.Visible == true)
{
ListViewCurrent.Focus();
return;
}
if (e.KeyCode == Keys.Down && ListViewCurrent.Visible == true)
{
ListViewCurrent.Focus();
return;
}
if ((e.KeyCode == Keys.Escape || e.KeyCode == Keys.F14) && ListViewCurrent.Visible == true)
{
ListViewCurrent.Visible = false;
return;
}
}
private void comboBox10_KeyDown(object sender, KeyEventArgs e)
{
ComboBoxCurrent = comboBox10;
ListViewCurrent = listView1;
P_comboBox_KeyDown(sender, e);
}
private void listView1_ItemActivate(object sender, EventArgs e)
{
P_ListView_ICItem_DoubleClick(sender, e);
}
private void listView1_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Return)
{
P_ListView_ICItem_DoubleClick(sender, e);
return;
}
if (e.KeyCode == Keys.Escape)
{
ListViewCurrent.Visible = false;
ComboBoxCurrent.Focus();
}
}
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