feat: simplify dialog option.

src/Ursa/Controls/Dialog/Options/OverlayDialogOptions.cs

@@ -17,16 +17,32 @@ public enum VerticalPosition
 public class OverlayDialogOptions
 {
     internal static OverlayDialogOptions Default { get; } = new OverlayDialogOptions();
-    public bool CanClickOnMaskToClose { get; set; } = false;
     public HorizontalPosition HorizontalAnchor { get; set; } = HorizontalPosition.Center;
     public VerticalPosition VerticalAnchor { get; set; } = VerticalPosition.Center;
+    /// <summary>
+    /// This attribute is only used when HorizontalAnchor is not Center
+    /// </summary>
     public double? HorizontalOffset { get; set; } = null;
+    /// <summary>
+    /// This attribute is only used when VerticalAnchor is not Center
+    /// </summary>
     public double? VerticalOffset { get; set; } = null;
+    /// <summary>
+    /// Only works for DefaultDialogControl
+    /// </summary>
     public DialogMode Mode { get; set; } = DialogMode.None;
+    /// <summary>
+    /// Only works for DefaultDialogControl
+    /// </summary>
     public DialogButton Buttons { get; set; } = DialogButton.OKCancel;
+    /// <summary>
+    /// Only works for DefaultDialogControl
+    /// </summary>
     public string? Title { get; set; } = null;
-    public bool IsCloseButtonVisible { get; set; } = true;
-    
+    /// <summary>
+    /// Only works for CustomDialogControl
+    /// </summary>
+    public bool ShowCloseButton { get; set; } = true;
     public bool CanLightDismiss { get; set; }
     public bool CanDragMove { get; set; } = true;
 }