C#•2y ago

❔ How to access variable from AccessibilityObject ?

I am trying to make canges to an old Winforms or Window forms application and my main goal is to populate a dropdown-menu with some values.

internal class OrderdocumentValuePickerEditor : UITypeEditor
    {
        
        IWindowsFormsEditorService m_editorService;

        public override UITypeEditorEditStyle GetEditStyle(ITypeDescriptorContext context)
        {
            return UITypeEditorEditStyle.DropDown;
        }

        public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
        {
            m_editorService = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
            Form f = Application.OpenForms["LabelmakerDesignForm"];

internal class OrderdocumentValuePickerEditor : UITypeEditor
    {
        
        IWindowsFormsEditorService m_editorService;

        public override UITypeEditorEditStyle GetEditStyle(ITypeDescriptorContext context)
        {
            return UITypeEditorEditStyle.DropDown;
        }

        public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
        {
            m_editorService = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
            Form f = Application.OpenForms["LabelmakerDesignForm"];

The EditValue function is called when I click on the dropdown and I am trying to access a public variable called m_orderdoc. If I search for a value in the orderdoc in the "locals" part of Visual studio I see that the m_orderdoc is located in: provider.AccessibilityObject -> PropertyGridView -> TopLevelControl -> m_orderdoc But how can I access this value? I also tried using Application.OpenForms to get a form that contains the variable. But I can't access it from there either even tho I see that f contains m_orderdoc.

1 Reply

Accord•2y ago

Looks like nothing has happened here. I will mark this as stale and this post will be archived until there is new activity.

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❔ How to access variable from AccessibilityObject ?