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ControlBuilder.AppendSubBuilder Method

Adds builders to the ControlBuilder object for any child controls that belong to the container control.

Namespace:  System.Web.UI
Assembly:  System.Web (in System.Web.dll)

public virtual void AppendSubBuilder(
	ControlBuilder subBuilder


Type: System.Web.UI.ControlBuilder

The ControlBuilder object assigned to the child control.

The following example overrides the AppendSubBuilder method to throw an Exception if the control this control builder is applied to tries to include controls in its instance of ControlCollection class.

        // Override the AppendSubBuilder method to throw an 
        // exception if the class it is applied to attempts 
        // to include child controls.  
		public override void AppendSubBuilder(ControlBuilder subBuilder)
			throw new Exception(
				"A custom label control cannot contain other objects.");

.NET Framework

Supported in: 4.6, 4, 3.5, 3.0, 2.0, 1.1, 1.0

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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