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); }