int mark_data = 0; //被选中的数据
/// <summary>
/// 对列表数据进行检查，不正常时进行提示
/// </summary>
/// <returns></returns>
private Byte Check_data()
{
Byte check_right = 0;
byte mark_error = 0;
if (numcount < 2) //判断一下数据是不是合适
{
if (numcount == 0)
{
MessageBox.Show("列表中没有数据项"); mark_error = 1;
}
else
if (mark_data == 0)
{
MessageBox.Show("列表中的数据项只有一向"); mark_error = 1;
}
}
else
{
for (Byte i = 0; i < numcount; i++)
{
if (XiangMuList.GetItemChecked(i))
{
if (check_right == 0)
{
check_right = 1;
mark_data = i;
}
else
{
MessageBox.Show("不能同时选中多项");
mark_error = 1;
check_right = 0;
mark_data = 0;
}
}
}
}
if (check_right == 1)
{
MessageBox.Show("选中了第" + mark_data.ToString() + "项");
}
else
if (mark_error == 0)
{
MessageBox.Show("没有选中的项目");
mark_error = 1;
}
return(mark_error);
}
/// <summary>
/// 删除选中项
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button6_Click(object sender, EventArgs e)
{
if (Check_data() == 0)
{
for (int i = XiangMuList.Items.Count - 1; i > -1; i--)
{
if (XiangMuList.GetItemChecked(i))
{
XiangMuList.Items.RemoveAt(i);
Lat_posion[i] = 9999;//清除的变量暂时标记一下
Lng_posion[i] = 9999;
}
}
Byte counta = 0;
Byte con_aa = 0;
for (int i = 0; i <= XiangMuList.Items.Count + 2; i++)
{
if (Lat_posion[i] != 9999 && Lng_posion[i] != 9999)
{
Lat_posion[counta] = Lat_posion[i];
Lng_posion[counta] = Lng_posion[i];
counta++;
}
}
for (int i = 0; i < counta + 3; i++)
{
if (Lat_posion[i] != 0)
{
con_aa++;
}
}
for (int i = XiangMuList.Items.Count - 1; i > -1; i--)
{
XiangMuList.Items.RemoveAt(i);
}
numcount = 0;
top.Markers.Clear();
top.Routes.Clear();
PointLatLng p = new PointLatLng();
PointLatLng p_last = new PointLatLng();
for (int i = 0; i < con_aa; i++)
{
p.Lat = Lat_posion[i];
p.Lng = Lng_posion[i];
currentMarker = new GMarkerGoogle(p, GMarkerGoogleType.arrow);
currentMarker.ToolTipText = (i + 1).ToString();
currentMarker.ToolTipMode = MarkerTooltipMode.Always;
//currentMarker.IsHitTestVisible = false;
top.Markers.Add(currentMarker);
numcount++;
if (i > 0)
{
p_last.Lat = Lat_posion[i - 1];
p_last.Lng = Lng_posion[i - 1];
DrawLineBetweenTwoPoint(p, p_last);
}
XiangMuList.Items.Add("第" + numcount.ToString() + "目标点" + " J:" + currentMarker.Position.Lat.ToString() + " W:" + currentMarker.Position.Lng.ToString());
}
}
}
