Open Context Menu On Selected TreeView Node

What is the problem with this code ?

 Private Sub trvHeader_NodeMouseClick(ByVal sender As Object, ByVal e As System.Windows.Forms.TreeNodeMouseClickEventArgs) Handles trvHeader.NodeMouseClick
            If e.Button = Windows.Forms.MouseButtons.Right Then
                trvHeader.SelectedNode = e.Node
          开发者_StackOverflow      Dim p As Point = New Point(e.X, e.Y)

                mnuRoot.Show(p)
            End If
        End Sub

the context menu does not open in right position.

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The ContextMenuStrip.Show(Point) overload requires the point to be in screen coordinates. Fix:

 mnuRoot.Show(trvHeader, p)

or use Control.PointToScreen()