Breadcrumbs

[M1z23R]

I want to create a custom event handler for my custom control...
My control inherits from a "button", button doesn't have CheckChanged event but i want to create it.
I built up my CheckButton control but now, i want to be able to create event for it when check changes...
Please help + rep

[Cheatmasterbw]

viewtopic.php?f=21&t=5993

^^^ Look at this

[M1z23R]

I did, but how can i "Set" on what change, what to do :/ if you understand me xD

[mandai]

You could make a function to draw/clear a check on the button, then you could store the state as a property variable.

[M1z23R]

How do i do that

I have this

Code: Select all

 Private CheckState As Boolean

  Property Checked() As Boolean
        Get
            Checked = CheckState
        End Get
        Set(ByVal value As Boolean)
            CheckState = value
        End Set
    End Property

[GoodGuy17]

On CheckButton_Click, put:

Code: Select all

If CheckState = True Then
'Do something if it is checked
CheckState = False
Else
'Do something if it isn't checked
CheckState = True
End If

That way, you don't even have to have a new event, you can just make use of your current ones.

[M1z23R]

I did that, and i can change the state, but i want to be able to create like in a checkbox "CheckStateChanged", because if you change its state with another button like "CheckBox1.Checked = True" nothing else will happen, and i have "color changes, style..." and many more options that are on "click" event, and not change state

[GoodGuy17]

So you want to be able to change the CheckState of the button from another object?

I didn't quite understand what you said. Can you rephrase it? It sounds like you want to change the state from another object.

[M1z23R]

Here is an example :

You have 2 "CheckButtons", and a button
Button :

Code: Select all

CheckButton1.Checked = True
CheckButton2.Checked = True

so, when you click button, CheckButtons "checked" state changes...

But my "CheckButton" handles color changes, style changes ... on "Click" event, so if you click checkbutton, everything is ok, but if you change its state from another control, only its state changes, not style,color ...

[MrAksel]

use the RaiseEvent statement to raise an event, to declare it just use this:

Code: Select all

Public Event CheckStateChanged() 'you can have arguments between the parentheses

Code: Select all

  Private CheckState As Boolean

  Property Checked() As Boolean
        Get
            Checked = CheckState
        End Get
        Set(ByVal value As Boolean)
            If Not value = CheckState Then RaiseEvent CheckStateChanged() 'Arguments between the parentheses
            CheckState = value
        End Set
    End Property