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How to draw a custom caption for docking windows?

Platform: WinForms |
Control: DockingManager |
Published Date: April 30, 2011 |
Last Revised Date: July 10, 2014

 

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

C#

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);

else

{

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

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

}

}

VB

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

Syncfusion.Windows.Forms.Tools.ProvideGraphicsItemsEventArgs) Handles

dockingManager1.ProvideGraphicsItems

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)

Else

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

Color.White, CSng(0))

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

End If

End Sub

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