GridColumnStylesCollection.Contains Method

public:
 bool Contains(System::String ^ name);

public bool Contains (string name);

member this.Contains : string -> bool

Public Function Contains (name As String) As Boolean

Parameters

Returns

true if the collection contains the DataGridColumnStyle; otherwise, false.

Examples

The following code example uses the Contains method to determine if a DataGridColumnStyle with a given MappingName exists in the GridColumnStylesCollection.

Private Sub ContainsThisDataCol()
    ' Use the Contains method to determine whether a specific
    ' DataGridColumnStyle with the same MappingName exists.
    Console.WriteLine(DataGrid1.TableStyles(0). _
    GridColumnStyles.Contains("FirstName"))
End Sub

Remarks

The caption of a DataGridColumnStyle is set with the HeaderText property.

Use the Contains method to determine if a particular DataGridColumnStyle exists before invoking the Remove method to remove the item. If you need to know the index of a particular DataGridColumnStyle, use the IndexOf method.

See also

• DataColumn
• IndexOf(DataGridColumnStyle)
• Item[Int32]
• Remove(DataGridColumnStyle)

public:
 bool Contains(System::Windows::Forms::DataGridColumnStyle ^ column);

public bool Contains (System.Windows.Forms.DataGridColumnStyle column);

member this.Contains : System.Windows.Forms.DataGridColumnStyle -> bool

Public Function Contains (column As DataGridColumnStyle) As Boolean

Parameters

Returns

true if the collection contains the DataGridColumnStyle; otherwise, false.

Examples

The following code example uses the Contains method to determine if a GridColumnStylesCollection contains a specific DataGridColumnStyle.

Private Sub ContainsThisDataCol()
   Dim myGridColumnCol As GridColumnStylesCollection
   myGridColumnCol = dataGrid1.TableStyles(0).GridColumnStyles
   ' Get the CurrencyManager for the table you want to add a column to.
   Dim myCurrencyManager As CurrencyManager = _
   CType(Me.BindingContext(ds.Tables("Suppliers")), CurrencyManager)
   ' Get the PropertyDescriptor for the DataColumn of the new column.
   Dim pd As PropertyDescriptor = _
   myCurrencyManager.GetItemProperties()("City")
   Dim myColumn As New DataGridTextBoxColumn()
   myColumn.PropertyDescriptor = pd
   ' Test to see if the present columns contains the new object.
   Console.WriteLine(DataGrid1.TableStyles(0).GridColumnStyles. _
   Contains(myColumn))
End Sub

Remarks

Use the Contains method to determine if a particular DataGridColumnStyle exists before invoking the Remove method to remove the item. If you need to know the index of a particular DataGridColumnStyle, use the IndexOf method.

See also

• DataColumn
• IndexOf(DataGridColumnStyle)
• Item[Int32]
• Remove(DataGridColumnStyle)

public:
 bool Contains(System::ComponentModel::PropertyDescriptor ^ propDesc);

public:
 bool Contains(System::ComponentModel::PropertyDescriptor ^ propertyDescriptor);

public bool Contains (System.ComponentModel.PropertyDescriptor propDesc);

public bool Contains (System.ComponentModel.PropertyDescriptor propertyDescriptor);

member this.Contains : System.ComponentModel.PropertyDescriptor -> bool

member this.Contains : System.ComponentModel.PropertyDescriptor -> bool

Public Function Contains (propDesc As PropertyDescriptor) As Boolean

Public Function Contains (propertyDescriptor As PropertyDescriptor) As Boolean

Parameters

Returns

true if the collection contains the DataGridColumnStyle; otherwise, false.

Examples

The following code example uses the Contains method to determine if a GridColumnStylesCollection contains a DataGridColumnStyle associated with a specified PropertyDescriptor.

Private Sub ContainsThisDataCol()
   Dim myPropertyDescriptor As PropertyDescriptor
   Dim myPropertyDescriptorCollection As PropertyDescriptorCOllection
   myPropertyDescriptorCollection = _
   me.BindingContext(DataSet1, "Customers").GetItemProperties()
   myPropertyDescriptor = myPropertyDescriptorCollection("FirstName")

   Dim trueOrFalse As Boolean
   ' Set the variable to a known column in the grid's DataTable.
   trueOrFalse = DataGrid1.TableStyles(0).GridColumnStyles. _
   Contains(myPropertyDescriptor)
   Console.WriteLine(trueOrFalse)
End Sub

Remarks

To get a PropertyDescriptorCollection, use the GetItemProperties method of the BindingManagerBase class. Pass the MappingName of the DataGridColumnStyle to the Item[] property of the PropertyDescriptorCollection to return the PropertyDescriptor for a specific column.

Use the Contains method to determine if a particular DataGridColumnStyle exists before invoking the Remove method to remove the item. If you need to know the index of a particular DataGridColumnStyle, use the IndexOf method.

See also

• DataColumn
• IndexOf(DataGridColumnStyle)
• Item[Int32]
• Remove(DataGridColumnStyle)