private void TreeView1_ItemDrag(object sender, System.Windows.Forms.ItemDragEventArgs e)
{
if (!(TreeView1.SelectedNode.GetNodeCount(true) > 0))
{
TreeView1.DoDragDrop(TreeView1.SelectedNode.Text, DragDropEffects.Copy | DragDropEffects.Move);
}
}
private void tv1_ItemDrag(object sender, System.Windows.Forms.ItemDragEventArgs e)
{
//Primary (internal) data type
ArrayList toDrag = new ArrayList();
CShItem csi = ((TreeNode)e.Item).Tag as CShItem;
toDrag.Add(csi);
//also need Shell IDList Array
System.IO.MemoryStream MS;
MS = CProcDataObject.MakeShellIDArray(toDrag);
//Fairly universal data type (must be an array)
string[] strD = new string[1];
strD[0] = csi.Path;
//Build data to drag
DataObject dataObj = new DataObject();
dataObj.SetData(toDrag);
if (MS != null)
{
dataObj.SetData("Shell IDList Array", true, MS);
}
dataObj.SetData("FileDrop", true, strD);
//Do drag, allowing Copy and Move
DragDropEffects ddeff;
ddeff = tv1.DoDragDrop(dataObj, DragDropEffects.Copy | DragDropEffects.Move);
//the following line commented out, since we can't depend on ddeff
//If ddeff = DragDropEffects.None Then Exit Sub 'nothing happened
RefreshNode(FindAncestorNode(csi));
}
private void tCat_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
tCat.SelectedNode = tCat.GetNodeAt(e.X, e.Y);
if (tCat.SelectedNode == null)
{
return;
}
string cat = null;
string sub = null;
string data = null;
if (tCat.SelectedNode.Parent != null)
{
sub = tCat.SelectedNode.Text;
cat = tCat.SelectedNode.Parent.Text;
data = cat + "|" + sub;
}
else
{
cat = tCat.SelectedNode.Text;
data = cat;
}
tCat.DoDragDrop(data, DragDropEffects.Copy);
tCat.Focus();
}
private void treeSchema_ItemDrag(object sender, System.Windows.Forms.ItemDragEventArgs e)
{
TreeNode node = (TreeNode)e.Item;
if (node != null)
{
treeSchema.DoDragDrop(node.Text, DragDropEffects.Copy | DragDropEffects.Move);
}
}
private void TreeMouseMove(object sender, MouseEventArgs e)
{
const int diff = 10;
if (_dragNode != null && !_isDragging && ((Math.Abs(_lastLocation.X - e.Location.X) >= diff) || (Math.Abs(_lastLocation.Y - e.Location.Y) >= diff)))
{
_isDragging = true;
_tree.DoDragDrop(_dragNode.Tag, DragDropEffects.Copy);
_dragNode = null;
}
}
private void treeView1_ItemDrag(object sender, ItemDragEventArgs e)
{
var node = (TreeNode)e.Item;
var hierarchy = GetHierarchy(node);
if (hierarchy.Count == 1)
{
return;
}
_tree.DoDragDrop(e.Item, DragDropEffects.Move);
}
private void contactList_ItemDrag(object sender, System.Windows.Forms.ItemDragEventArgs e)
{
TreeNode node = e.Item as TreeNode;
if (node != null)
{
Contact contact = node.Tag as Contact;
if (contact != null)
{
draggingContact = contact;
draggingFromGroup = node.Parent.Tag as ContactGroup;
contactList.DoDragDrop("", DragDropEffects.Copy | DragDropEffects.Move);
}
}
}
private void tImg_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (e.Button != MouseButtons.Left || tImg.SelectedNode == null)
{
return;
}
int dx = Math.Abs(e.X - m_DragStart.X);
int dy = Math.Abs(e.Y - m_DragStart.Y);
if (dx > 5 || dy > 5)
{
tImg.DoDragDrop(tImg.SelectedNode.Tag as ImageInfo, DragDropEffects.Move);
}
}
/// <summary>
/// Mouse move, if away from the start dragging point, do drag and drop
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void tDeco_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (e.Button == MouseButtons.None)
{
return;
}
if (Math.Abs(e.X - m_DragPoint.X) > 5 || Math.Abs(e.Y - m_DragPoint.Y) > 5)
{
tDeco.SelectedNode = tDeco.GetNodeAt(m_DragPoint);
if (SelectedDeco != null)
{
tDeco.DoDragDrop(SelectedDeco, DragDropEffects.Copy);
}
m_DragPoint = Point.Empty;
}
}
private void treeView1_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
if ((e.Button & MouseButtons.Left) == MouseButtons.Left && bMouseDown)
{
bMouseDown = false;
//start drag group for re-grouping
System.Drawing.Point pt = new System.Drawing.Point(e.X, e.Y);
TableNode nd = (TableNode)treeView1.GetNodeAt(pt);
if (nd != null)
{
treeView1.SelectedNode = nd;
dragData = new clsDragTableData();
dragData.objNode = nd;
System.Windows.Forms.DragDropEffects ret = treeView1.DoDragDrop(dragData, System.Windows.Forms.DragDropEffects.All);
if (ret == System.Windows.Forms.DragDropEffects.Move)
{
}
}
}
}
/// <summary>
/// This method handles the <see cref="TreeView.ItemDrag"/> event for a <see cref="TreeViewControl"/>.
/// </summary>
/// <param name="treeView">The <see cref="TreeView"/> of the <see cref="TreeViewControl"/>.</param>
/// <param name="e">The arguments of the <see cref="TreeView.ItemDrag"/> event.</param>
/// <param name="getTreeNodeInfoForData">A function for obtaining the <see cref="TreeNodeInfo"/> object corresponding to a provided data object.</param>
public void HandleItemDrag(FormsTreeView treeView, ItemDragEventArgs e, Func <object, TreeNodeInfo> getTreeNodeInfoForData)
{
var draggedNode = (TreeNode)e.Item;
treeView.SelectedNode = draggedNode;
TreeNodeInfo treeNodeInfo = getTreeNodeInfoForData(draggedNode.Tag);
object parentTag = draggedNode.Parent?.Tag;
if (treeNodeInfo.CanDrag == null || !treeNodeInfo.CanDrag(draggedNode.Tag, parentTag))
{
return;
}
// Provide the drag drop operation with a data object containing the dragged tree node
var dataObject = new DataObject();
dataObject.SetData(typeof(TreeNode), draggedNode);
treeView.DoDragDrop(dataObject, DragDropEffects.Move);
}
//Tree view drapdrop
private void treeView1_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (((e.Button & MouseButtons.Left) == MouseButtons.Left) && !IsDragDroping)
{
TreeNode treeNode = treeView1.SelectedNode;
if (treeNode == null)
{
return;
}
AIONode node = (AIONode)treeNode.Tag;
AIONode [] nodes = new AIONode[] { node };
IsDragDroping = true;
//ddType = DragDropType.TREE;
previousSelected = treeView1.SelectedNode;
//Copy or Move
treeView1.DoDragDrop(nodes, DragDropEffects.Copy | DragDropEffects.Move);
}
}
private void NodesTV_MouseDown(object sender, MouseEventArgs e)
{
try
{
// selects the item that was right clicked on.
TreeNode clickedNode = NodesTV.SelectedNode = NodesTV.GetNodeAt(e.X, e.Y);
// no item clicked on - do nothing.
if (clickedNode == null)
{
return;
}
// start drag operation.
if (e.Button == MouseButtons.Left)
{
if (m_enableDragging)
{
object data = GetDataToDrag(clickedNode);
if (data != null)
{
NodesTV.DoDragDrop(data, DragDropEffects.Copy);
}
}
return;
}
// disable everything.
if (NodesTV.ContextMenuStrip != null)
{
foreach (ToolStripItem item in NodesTV.ContextMenuStrip.Items)
{
ToolStripMenuItem menuItem = item as ToolStripMenuItem;
if (menuItem == null)
{
continue;
}
menuItem.Enabled = false;
if (menuItem.DropDown != null)
{
foreach (ToolStripItem subItem in menuItem.DropDown.Items)
{
ToolStripMenuItem subMenuItem = subItem as ToolStripMenuItem;
if (subMenuItem != null)
{
subMenuItem.Enabled = false;
}
}
}
}
}
// enable menu items according to context.
if (e.Button == MouseButtons.Right)
{
EnableMenuItems(clickedNode);
}
}
catch (Exception exception)
{
GuiUtils.HandleException(this.Text, MethodBase.GetCurrentMethod(), exception);
}
}
private void treeView1_ItemDrag(object sender, System.Windows.Forms.ItemDragEventArgs e)
{
// Start drag and drop operation
treeView1.DoDragDrop(e.Item, DragDropEffects.Move);
}
