Hello Jie Wang,

I'm also trying to handle drag-drop into Excel 2007.
I done the DoDragDrop method and it worked, but i need other thing.

I would like to display a context menu when i drop the value, so it can do
some kind of operation. Is there any event i can handle to do it?

For example:
I'm dragin some values, and when i drop them, i want the following options:
- Convert to Euro
- Convert to Dollar
- ... (Other operations)

Can this be done? (i notice that if i click the right button while dragging
it appear a context menu)

""Jie Wang [MSFT]"" wrote:

Hi Thomas,

When you say TreeList do you mean the TreeView Control?

If that was the case, you don't need to do any work on the Excel side, just
handle the TreeView's ItemDrag event, in the event handler, call the
control's DoDragDrop method to start a drag & drop operation, once the item
is being dropped onto a cell, Excel will do its job to get the data you set
in the DoDragDrop method.

Sample code (suppose the TreeView control's name is tvData):

VB.NET

Private Sub tvData_ItemDrag(ByVal sender As System.Object, ByVal e As
System.Windows.Forms.ItemDragEventArgs) Handles tvData.ItemDrag
Dim item As TreeNode = TryCast(e.Item, TreeNode)

If (item IsNot Nothing) Then
tvData.DoDragDrop(item.Text, DragDropEffects.Copy)
End If
End Sub

C#

private void tvData_ItemDrag(System.Object sender, ItemDragEventArgs e)
{
TreeNode item = e.Item as TreeNode;

if (item != null)
{
tvData.DoDragDrop(item.Text, DragDropEffects.Copy);
}
}

You can also customize the data before sending it to the DoDragDrop method.

If you have any further questions regarding this issue, please feel free to
post here.

Regards,

Jie Wang , remove 'online.')

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