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How to draw a custom caption for docking windows?


The DockingManager has a ProvideGraphicsItems event that can be handled for custom rendering the docking window caption area. This event is fired whenever a docking window’s caption needs to be painted and the ProvideGraphicsItemsEventArgs event argument provides the control being drawn and allows you to specify the new set of graphics objects to used.

Handle the DockingManager.ProvideGraphicsItems event and specify custom drawing objects for the active and inactive docking windows


private void dockingManager1_ProvideGraphicsItems(object sender, Syncfusion.Windows.Forms.Tools. ProvideGraphicsItemsEventArgs arg)


if(arg.IsActiveCaption == true)


arg.CaptionBackground = new LinearGradientBrush(arg.CaptionBounds, Color.Red, Color.White, (float)0);

arg.CaptionForeground = Color.Black;

arg.CaptionFont = new Font("Arial", 10, FontStyle.Bold);



arg.CaptionBackground = new LinearGradientBrush(arg.CaptionBounds, Color.Blue, Color.White, (float)0);

arg.CaptionFont = new Font("Arial", 10);




Private Sub dockingManager1_ProvideGraphicsItems(ByVal sender As Object, ByVal arg As

Syncfusion.Windows.Forms.Tools.ProvideGraphicsItemsEventArgs) Handles


If arg.IsActiveCaption = True Then

arg.CaptionBackground = New LinearGradientBrush(arg.CaptionBounds, Color.Red,

Color.White, CSng(0))

arg.CaptionForeground = Color.Black

arg.CaptionFont = New Font("Arial", 10, FontStyle.Bold)


arg.CaptionBackground = New LinearGradientBrush(arg.CaptionBounds, Color.Blue,

Color.White, CSng(0))

arg.CaptionFont = New Font("Arial", 10)

End If

End Sub

Article ID: Published Date: Last Revised Date: Platform: Control:
1027 04/30/2011 07/10/2014 WinForms DockingManager
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