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UIElementCollection.Add Method

Adds the specified element to the UIElementCollection.

Namespace:  System.Windows.Controls
Assembly:  PresentationFramework (in PresentationFramework.dll)

public virtual int Add(
	UIElement element
)

Parameters

element
Type: System.Windows.UIElement

The UIElement to add.

Return Value

Type: System.Int32
The index position of the added element.

The following example uses the Add method to add child content to a parent StackPanel. You do this by using the Children property, which is of type UIElementCollection.

		void AddButton(object sender, MouseButtonEventArgs e)
		{
			sp1.Children.Clear();
			btn = new Button();
			btn.Content = "New Button";
			sp1.Children.Add(btn);
		}

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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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