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ColumnDefinitionCollection.Contains Method

Determines whether a given ColumnDefinition exists within a ColumnDefinitionCollection.

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

public bool Contains(
	ColumnDefinition value
)
You cannot use methods in XAML.

Parameters

value
Type: System.Windows.Controls.ColumnDefinition

Identifies the ColumnDefinition that is being tested.

Return Value

Type: System.Boolean
true if the ColumnDefinition exists within the collection; otherwise false.

Implements

ICollection<T>.Contains(T)

The following example demonstrates how to use the Contains method to determine whether a ColumnDefinition exists in a ColumnDefinitionCollection.

private void containsCol(object sender, RoutedEventArgs e)
{
    if (grid1.ColumnDefinitions.Contains(colDef1))
    {
        tp3.Text = "Grid Contains ColumnDefinition colDef1";
    }
    else
    {
        tp3.Text = "Grid Does Not Contain ColumnDefinition colDef1";
    }
}

To view the complete sample, see How to: Manipulate Columns and Rows by Using ColumnDefinitionsCollections and RowDefinitionsCollections.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

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

.NET Framework

Supported in: 3.5, 3.0

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