syncfusion-content · KarkuvelRajan · Jun 16, 2025 · Jun 16, 2025
diff --git a/wpf/Diagram/Automatic-Layouts/Automatic-Layouts.md b/wpf/Diagram/Automatic-Layouts/Automatic-Layouts.md
@@ -327,7 +327,7 @@ N> `AvoidSegmentOverlapping` is not valid for `RadialTreeLayout`.
 
 ## Customize margin in layout
 
-The [`Margin`](https://help.syncfusion.com/cr/wpf/Syncfusion.UI.Xaml.Diagram.Layout.LayoutBase.html#Syncfusion_UI_Xaml_Diagram_Layout_LayoutBase_Margin) property of `DirectedTreeLayout` is used to provide space between the bounds of the tree layout to the diagram. The default margin value is `50`.
+The [`Margin`](https://help.syncfusion.com/cr/wpf/Syncfusion.UI.Xaml.Diagram.Layout.LayoutBase.html#Syncfusion_UI_Xaml_Diagram_Layout_LayoutBase_Margin) property of [`LayoutBase`](https://help.syncfusion.com/cr/wpf/Syncfusion.UI.Xaml.Diagram.Layout.LayoutBase.html) is used to provide space between the bounds of the tree layout to the diagram. The default margin value is `50`.
 
 {% tabs %}
 {% highlight xaml %}
@@ -347,8 +347,6 @@ diagram.LayoutManager = new LayoutManager()
 
 {% endtabs %}
 
-N> `Margin` is not valid for `RadialTreeLayout`.
-
 ## See Also
 
 [How to create parent and child relationship by drag and drop nodes?](https://support.syncfusion.com/kb/article/10008/how-to-create-parent-and-child-relationship-by-drag-and-drop-nodes-in-wpf-diagram-sfdiagram)

diff --git a/wpf/Diagram/Printing.md b/wpf/Diagram/Printing.md
@@ -77,6 +77,17 @@ Printer section.
 
 ![Printer List in WPF Diagram](Printing_images/wpf-diagram-printer-list.png)
 
+#### Printer Properties
+
+The **Printer Properties** option allows you to configure advanced settings for the selected printer before printing the diagram. The available options may vary depending on the printer model and driver, but commonly include:
+
+- **Paper Size**: Select from supported paper sizes such as A4, Letter, Legal, etc.
+- **Orientation**: Choose between Portrait and Landscape.
+
+To access these settings, click the **Printer Properties** button in the Print Preview window after selecting your printer. This allows you to customize the print output according to your requirements.
+
+![Printer Properties in WPF Diagram](Printing_images/wpf-diagram-printer-properties.png)
+
 ### Scaling 
  SfDiagram provides support to scale the diagram whether to print as single page or split into multiple pages. Scaling options can be changed by setting the `PrintingService.PrintManager.SelectedScaleIndex`
 property. 

diff --git a/wpf/Diagram/Printing_images/wpf-diagram-printer-properties.png b/wpf/Diagram/Printing_images/wpf-diagram-printer-properties.png
diff --git a/wpf/Diagram/Printing_images/wpf-diagram-printing.png b/wpf/Diagram/Printing_images/wpf-diagram-printing.png
diff --git a/wpf/Diagram/Snapping/DefineSnapping.md b/wpf/Diagram/Snapping/DefineSnapping.md
@@ -17,7 +17,7 @@ Refer to the [SnapSettings](https://help.syncfusion.com/cr/wpf/Syncfusion.UI.Xam
 
 ## Snap-to-objects
 
-The snap-to-object provides visual cues to assist with aligning and spacing diagram. A node can be snapped with its neighboring objects based on certain alignments (same size and same position). Such alignments are visually represented as smart guide lines, which are in cyan shade color and its color code is #83F6F0.  
+The snap-to-object provides visual cues to assist with aligning and spacing diagram. A node or group can be snapped with its neighboring objects based on certain alignments (same size and same position). Such alignments are visually represented as smart guide lines, which are in cyan shade color and its color code is #83F6F0.  
 
 Refer to the members of [SnapToObject](https://help.syncfusion.com/cr/wpf/Syncfusion.UI.Xaml.Diagram.SnapToObject.html).