Class Columns
Represents a class that contains the collection of GridColumn.
Inheritance
Implements
Namespace: Syncfusion.WinForms.DataGrid
Assembly: Syncfusion.SfDataGrid.WinForms.dll
Syntax
public class Columns : ObservableCollection<GridColumn>, IDisposableConstructors
Columns()
Initializes a new instance of the Columns class.
Declaration
public Columns()Properties
Item[String]
Gets the GridColumn for the given mapping name.
Declaration
public GridColumn this[string mappingName] { get; }Parameters
| Type | Name | Description |
|---|---|---|
| System.String | mappingName | The mapping name of the column. |
Property Value
| Type | Description |
|---|---|
| GridColumn | Returns the GridColumn. |
Methods
Dispose()
Disposes the columns collection.
Declaration
public void Dispose()Dispose(Boolean)
Disposes all the resources used by the Columns class.
Declaration
protected virtual void Dispose(bool isDisposing)Parameters
| Type | Name | Description |
|---|---|---|
| System.Boolean | isDisposing | Indicates the call is from Dispose method. |
InsertItem(Int32, GridColumn)
Inserts a GridColumn into the collection at the specified index.
Declaration
protected override void InsertItem(int index, GridColumn item)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | index | The zero-based index at which the item should be inserted. |
| GridColumn | item | The GridColumn to insert into the collection. |
OnCollectionChanged(NotifyCollectionChangedEventArgs)
Occurs when the collection is changed.
Declaration
protected override void OnCollectionChanged(NotifyCollectionChangedEventArgs e)Parameters
| Type | Name | Description |
|---|---|---|
| System.Collections.Specialized.NotifyCollectionChangedEventArgs | e | The System.Collections.Specialized.NotifyCollectionChangedEventArgs that contains the event data. |
ToString()
Overridden to update the display text in the property grid.
Declaration
public override string ToString()Returns
| Type | Description |
|---|---|
| System.String | Returns the string that represent a current object. |