some improvements

Pilz.UI/Dialogs/FlyoutBase.cs

@@ -0,0 +1,89 @@
+namespace Pilz.UI.Dialogs;
+
+public partial class FlyoutBase : UserControl
+{
+    public DialogResult Result { get; protected set; }
+    public bool RegisterDialogAccept { get; set; } = true;
+    public bool RegisterDialogCancel { get; set; } = false;
+
+    protected bool ActionPanelVisible
+    {
+        get => tableLayoutPanel_ActionPanel.Visible;
+        set => tableLayoutPanel_ActionPanel.Visible = value;
+    }
+
+    protected bool CancelButtonVisible
+    {
+        get => button_Cancel.Visible;
+        set => button_Cancel.Visible = value;
+    }
+
+    protected bool CancelButtonEnable
+    {
+        get => button_Cancel.Enabled;
+        set => button_Cancel.Enabled = value;
+    }
+
+    protected bool ConfirmButtonEnable
+    {
+        get => button_Accept.Enabled;
+        set => button_Accept.Enabled = value;
+    }
+
+    public string Title
+    {
+        get => label_Title.Text;
+        set
+        {
+            label_Title.Text = value;
+            SetShowTitlePanel();
+        }
+    }
+
+    public FlyoutBase()
+    {
+        InitializeComponent();
+        ParentChanged += FlyoutBase_ParentChanged; ;
+    }
+
+    private void FlyoutBase_ParentChanged(object sender, System.EventArgs e)
+    {
+        var frm = FindForm();
+        if (frm != null)
+        {
+            if (RegisterDialogAccept)
+                frm.AcceptButton = button_Accept;
+            if (RegisterDialogCancel)
+                frm.CancelButton = button_Cancel;
+        }
+    }
+
+    protected void Close(DialogResult result)
+    {
+        Result = result;
+
+        if (FindForm() is DialogBase dialogForm)
+            dialogForm.Close();
+    }
+
+    protected virtual bool ValidateOK()
+    {
+        return true;
+    }
+
+    private void SetShowTitlePanel()
+    {
+        tableLayoutPanel_TitlePanel.Visible = !string.IsNullOrWhiteSpace(label_Title.Text);
+    }
+
+    private void Button_Accept_Click(object sender, System.EventArgs e)
+    {
+        if (ValidateOK())
+            Close(DialogResult.OK);
+    }
+
+    private void Button_Cancel_Click(object sender, System.EventArgs e)
+    {
+        Close(DialogResult.Cancel);
+    }
+}