Contains Method

ColumnDefinitionCollection.Contains Method (ColumnDefinition)


Determines whether a given ColumnDefinition exists within a ColumnDefinitionCollection.

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

public bool Contains(
	ColumnDefinition 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.

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";
        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
Available since 3.0
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