关于listview中控件的激活问题。

Question

本帖最后由 zl657855905 于 2012-05-22 11:43:07 编辑

Answer 1

private void listView1_ItemSelectionChanged(object sender, ListViewItemSelectionChangedEventArgs e)
        {
            if (e.IsSelected)
            {
                PictureBox pix1 = new PictureBox();
                //pix1.Image = imageList1.Images[listView1.FocusedItem.ImageIndex];
                pix1.Image = pic[listView1.FocusedItem.ImageIndex];
                pix1.SizeMode = PictureBoxSizeMode.AutoSize;
                pix1.MouseDown += new MouseEventHandler(pix1_MouseDown);
                pix1.MouseMove += new MouseEventHandler(pix1_MouseMove);
                pix1.Name = "picturebox_id" + listView1.SelectIndex.ToString();
                this.panel1.Controls.Add(pix1);
            }
        }判断：if (this.Controls.Cast<Control>().Any(x => x.Name == "picturebox_id" + SelectIndex.ToString()))
{
    ...//存在
}

Answer 2

不用每次都new新的picturebox，一个就可以了

Answer 3

问题是，需要让多个picturebox共存于panel中，并进行拖动的。

Answer 4

private void listView1_ItemSelectionChanged(object sender, ListViewItemSelectionChangedEventArgs e)
{
if (e.IsSelected)看不懂先查msdn。问google，百度。

Answer 5

我是说这句：
if (this.Controls.Cast<Control>().Any(x => x.Name == "picturebox_id" + SelectIndex.ToString()))
{
  ...//存在
}