Wait for function to end VB - excel

Question

I'm starting a ne project, in VB. And I have a problem. So maybe I don't understand the logic - can you explain it to me?
In my function Feuil1_BeforeDoubleClick i would like to wait for Button1_Clickto end.
But i don't know how to achieve this.
Here's the relevant code:
My Sheet1 :
Imports System.Threading.Tasks
Imports Microsoft.Office.Interop.Excel
Public Class Feuil1
Friend actionsPane1 As New ActionsPaneControl1
Public list As String
Public Sub Feuil1_BeforeDoubleClick(Target As Range, ByRef Cancel As Boolean) Handles Me.BeforeDoubleClick
If Target.Column <> 1 Then
If Target.Row = 16 Then
Globals.ThisWorkbook.ActionsPane.Controls.Add(actionsPane1)
Globals.ThisWorkbook.Application.DisplayDocumentActionTaskPane = True
'marche pas SendKeys.Send("{ESC}")
'
'wait here for the end of Button1_click
Target.Value = list
list = ""
End If
End If
MsgBox("doubleclick end")
End Sub
End Class
And there is my actionpane1 :
Public Class ActionsPaneControl1
Friend Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Dim i As Integer
Dim itemChecked As Object
Const barre As String = " / "
For Each itemChecked In CheckedListBox1.CheckedItems
Globals.Feuil1.list = Globals.Feuil1.list + itemChecked.ToString() + barre
Next
' Boucle pour reset la list
For i = 0 To (CheckedListBox1.Items.Count - 1)
CheckedListBox1.SetItemChecked(i, False)
Next
Globals.ThisWorkbook.Application.DisplayDocumentActionTaskPane = False
End Sub
End Class

Answer 1

Example taken from https://www.daniweb.com/programming/software-development/threads/139395/how-to-check-if-a-button-was-clicked . Credit is given.
Basicly declare a variable at form level and then set it to true whenever the button is clicked. Reset it when appropriate
Dim bBtnClicked As Boolean = False
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
If bBtnClicked = True Then
MessageBox.Show("This button is clicked already ....")
Else
MessageBox.Show("This button is clicked First time ....")
End If
bBtnClicked = True
End Sub
Alternatively whatever it is that you want to happen after the button is clicked, just put that code in the handler for the button-click event.

Answer 2

So i think about the problem, and it seems I didn't understand my function doubleclick, was not working after the double click but before ! that was my mistake.
So i change my function to detect, the change of selection in my sheet.
Then i call my action pane.
And work with the event of the button of the action pane.
There is the entire code ( maybe because i don't explain me correctly)
my Sheet1.vb :
Imports Microsoft.Office.Interop.Excel
Public Class Feuil1
Friend actionsPane1 As New ActionsPaneControl1
Public list As String
Public cell As Range
Private Sub Worksheet_SelectionChange(ByVal Target As Range) Handles Me.SelectionChange
If Target.Column <> 1 Then
If Target.Row = 16 Then
Globals.ThisWorkbook.ActionsPane.Controls.Add(actionsPane1)
Globals.ThisWorkbook.Application.DisplayDocumentActionTaskPane = True
cell = Target
End If
End If
End Sub
End Class
and my actionpanecontrol1.vb :
Public Class ActionsPaneControl1
Friend Button1Click = False
Friend Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Dim i As Integer
Dim itemChecked As Object
Const barre As String = " / "
For Each itemChecked In CheckedListBox1.CheckedItems
Globals.Feuil1.list = Globals.Feuil1.list + itemChecked.ToString() + barre
Next
' Boucle pour reset la list
For i = 0 To (CheckedListBox1.Items.Count - 1)
CheckedListBox1.SetItemChecked(i, False)
Next
Globals.ThisWorkbook.Application.DisplayDocumentActionTaskPane = False
Button1Click = True
Globals.Feuil1.cell.Value = Globals.Feuil1.list
Globals.Feuil1.list = ""
End Sub
End Class
Thanks a lot for all your reply