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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
)

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.

.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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