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private void Form1_Load(object sender, EventArgs e)
{
//在Load的时候把picturebox的AllowDrop属性设置为true。
// ps:pictureBox的属性只能通过写代码设置,并且还没有智能感知
this.pictureBox1.AllowDrop = true;
}
//在listView的ItemDrag里把摄像机名字传送
private void listView1_ItemDrag(object sender, ItemDragEventArgs e)
{
DoDragDrop(e.Item.ToString(), DragDropEffects.Copy);
}
//判断是不是可以接收的数据类型
private void pictureBox1_DragEnter(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent(typeof(string)))
e.Effect = DragDropEffects.Copy;
else
e.Effect = DragDropEffects.None;
}
//处理dragdrop事件
private void pictureBox1_DragDrop(object sender, DragEventArgs e)
{
string camera = string.Empty ;
if (e.Data.Equals(typeof(string)))
camera = e.Data.GetData(typeof(string)).ToString();
if (path.Length > 0)
{
//在这里做你的判断(判断拖动的是哪个摄象机,然后再在pictureBox判断需要显示出哪个视频)
//pictureBox1.Load(camera);
}
}
private Point Position = new Point(0, 0);
private void treeFileView_ItemDrag(object sender, ItemDragEventArgs e)
{
DoDragDrop(e.Item, DragDropEffects.Move);
}
private void treeFileView_DragEnter(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent(typeof(TreeNode)))
{
e.Effect = DragDropEffects.Move;
}
else
e.Effect = DragDropEffects.None;
}
string filePath = Application.StartupPath.ToString() + "\\MyFiles\\";
private void treeFileView_DragDrop(object sender, DragEventArgs e)
{
TreeNode myNode = null;
if (e.Data.GetDataPresent(typeof(TreeNode)))
{
myNode = (TreeNode)(e.Data.GetData(typeof(TreeNode)));
}
else
{
MessageBox.Show("error");
}
Position.X = e.X;
Position.Y = e.Y;
Position = treeFileView.PointToClient(Position);
TreeNode DropNode = treeFileView.GetNodeAt(Position);
if (DropNode.Parent == myNode || DropNode == myNode)
{
}
else if (DirAndFileOperator.IsFile(DropNode))
{
}
else
{
//DirAndFileOperator.MoveFolder(filePath + myNode.FullPath, filePath + DropNode.FullPath + @"\" + myNode.Name);
TreeNode DragNode = myNode;
myNode.Remove();
DropNode.Nodes.Add(DragNode);
}
treeFileView.SelectedNode = DropNode;
DropNode.Expand();
}
private void treeFileView_DragOver(object sender, DragEventArgs e)
{
TreeNode myNode = null;
if (e.Data.GetDataPresent(typeof(TreeNode)))
{
e.Effect = DragDropEffects.Move;
myNode = (TreeNode)(e.Data.GetData(typeof(TreeNode)));
}
else
e.Effect = DragDropEffects.None;
Position.X = e.X;
Position.Y = e.Y;
Position = treeFileView.PointToClient(Position);
TreeNode DropNode = treeFileView.GetNodeAt(Position);
treeFileView.SelectedNode = DropNode;
}