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Contains Method

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: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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