private void SetListView(string msg, string submsg)
{
if (this.lvSolutions.InvokeRequired)//如果调用控件的线程和创建创建控件的线程不是同一个则为True
{
while (!this.lvSolutions.IsHandleCreated)
{
//解决窗体关闭时出现“访问已释放句柄“的异常
if (this.lvSolutions.Disposing || this.lvSolutions.IsDisposed)
{
return;
}
}
SetListViewCallback d = new SetListViewCallback(SetListView);
this.lvSolutions.Invoke(d, new object[] { msg, submsg });
}
else
{
this.lvSolutions.BeginUpdate();
ListViewItem lvi = new ListViewItem();
lvi.Text = DateTime.Now.ToString("HH:mm:ss:fff");
lvi.SubItems.Add(msg);
lvi.SubItems.Add(submsg);
this.lvSolutions.Items.Add(lvi);
//总是显示最后一行
this.lvSolutions.Items[this.lvSolutions.Items.Count - 1].EnsureVisible();
this.lvSolutions.EndUpdate(); //结束数据处理，UI界面一次性绘制。
}
}
private void SetImage(int itemInList, int imgId)
{
if (computerListView.InvokeRequired)
{
SetListViewCallback d = new SetListViewCallback(SetImage);
Invoke(d, new object[] { itemInList, imgId });
return;
}
computerListView.Items[itemInList].ImageIndex = imgId;
}
private void populateDataSafe(User u)
{
if (listView.InvokeRequired)
{
SetListViewCallback d = new SetListViewCallback(populateDataSafe);
listView.Invoke(d, new object[] { u });
}
else
{
ListViewItem row = new ListViewItem(u.UserName);
row.Tag = u;
listView.Items.Add(row);
}
}
public static void AddToListView(Form form, Control ctrl, ListViewItem trans)
{
if (ctrl.InvokeRequired)
{
SetListViewCallback d = new SetListViewCallback(AddToListView);
form.Invoke(d, new object[] { form, ctrl, trans });
}
else
{
if (ctrl is ListView)
{
((ListView)ctrl).Items.Add(trans);
}
}
}
