Hi

Two things:

In chkHeadAll_Change(), test if chkHeadAll is true, and if it is set all
years true, else do nothing.

In each year change sub, you should only check on the current checkbox:

If Not chkHeadY0.Value Then chkHeadAll.Value = False


See my example below:

Private Sub CheckBox1_change()
If Me.CheckBox1 = True Then
Me.CheckBox2.Value = True
Me.CheckBox3.Value = True
Me.CheckBox4.Value = True
End If
End Sub

Private Sub CheckBox2_change()
If Me.CheckBox2 And Me.CheckBox3 And Me.CheckBox4 Then Me.CheckBox1 = True
If Not Me.CheckBox2 Then Me.CheckBox1 = False
End Sub

Private Sub CheckBox3_change()
If Me.CheckBox2 And Me.CheckBox3 And Me.CheckBox4 Then Me.CheckBox1 = True
If Not Me.CheckBox3 Then Me.CheckBox1 = False
End Sub

Private Sub CheckBox4_change()
If Me.CheckBox2 And Me.CheckBox3 And Me.CheckBox4 Then Me.CheckBox1 = True
If Not Me.CheckBox4 Then Me.CheckBox1 = False
End Sub

Hopes this helps.
...
Per

"Michelle" skrev i meddelelsen
...
Hello, I have a userform with checkboxes for each of four years (Y0, Y1,
Y2 & Y3)
I want to be able to tick them all by ticking the 'tick-all' checkbox

Similarly, if I deselect any of them the 'tick-all' box should be
automatically unchecked
and if I tick them all manually, the 'tick-all' box should be
automatically checked

I have seen this setup before - so I know it's possible.

My problem is that the event procedures are all triggering each other and
so it's a bit of a mess.

I've tried EnableEvents = false, but it doesn't do what I want

A sample of my code is below, but does anyone know a way to make it work?
please?

'===========================
Private Sub chkHeadAll_Change()
Application.EnableEvents = False
chkHeadY0.Value = chkHeadAll.Value
chkHeadY1.Value = chkHeadAll.Value
chkHeadY2.Value = chkHeadAll.Value
chkHeadY3.Value = chkHeadAll.Value
Application.EnableEvents = True
End Sub

Private Sub chkHeadY0_Change()
Application.EnableEvents = False
If chkHeadY0.Value And chkHeadY1.Value And chkHeadY2.Value And
chkHeadY3.Value Then chkHeadAll.Value = True
If Not chkHeadY0.Value Or Not chkHeadY1.Value Or Not chkHeadY2.Value Or
Not chkHeadY3.Value Then chkHeadAll.Value = False
Application.EnableEvents = True
End Sub

Private Sub chkHeadY1_Change()
Application.EnableEvents = False
If chkHeadY0.Value And chkHeadY1.Value And chkHeadY2.Value And
chkHeadY3.Value Then chkHeadAll.Value = True
If Not chkHeadY0.Value Or Not chkHeadY1.Value Or Not chkHeadY2.Value Or
Not chkHeadY3.Value Then chkHeadAll.Value = False
Application.EnableEvents = True
End Sub
'===========================

Thanks


M