Drag and Drop Events *Please respond quickly*

[RazerWriter]

I don't understand how to use the Vb NET drag and drop events. I want to add an item to a Tree View when the user drops text onto it. How do I do this?

 

Please respond quickly. I am short on time with this project. Thank you!

[Volte]

Set the TreeView's "AllowDrop" property to True, and then use the TreeView's "DragDrop" event to capture the dragging and dropping of an object.

 

You can use the "GetNodeAt()" method of the TreeView to find the tree node that is at the point you dropped on. The drop point is stored in the DragEventArgs in the event as e.X and e.Y.

[RazerWriter]

still doesn't work. I can't drop anything onto the treeview. The cursor doesn't change or anything.

 

here is the code:

 

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Private Sub TreeView1_DragDrop(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles SiteTree.DragDrop

 

Dim dropp As New System.Drawing.Point

dropp.X = e.X

dropp.Y = e.Y

 

Dim newNode As System.Windows.Forms.TreeNode

newNode = New System.Windows.Forms.TreeNode

With newNode

.SelectedImageIndex = 1

.ImageIndex = 1

.Text = e.Data.GetData(System.Windows.Forms.DataFormats.Html Or System.Windows.Forms.DataFormats.Rtf Or System.Windows.Forms.DataFormats.Text Or System.Windows.Forms.DataFormats.UnicodeText)

.Checked = True

End With

TreeView1.GetNodeAt(dropp).Nodes.Add(newNode)

End Sub

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