# Grid.IHandler interface

Namespace: [Eto.Forms](https://eto.picoe.ca/api/namespace/eto.forms.md) · Assembly: [Eto](https://eto.picoe.ca/api/assembly/eto.md)

```cs
public interface Grid.IHandler : Control.IHandler
```

Handler interface for the [Grid](https://eto.picoe.ca/api/type/eto.forms.grid.md) control

**Derived types:** [GridView.IHandler](https://eto.picoe.ca/api/type/eto.forms.gridview.ihandler.md), [TreeGridView.IHandler](https://eto.picoe.ca/api/type/eto.forms.treegridview.ihandler.md)

## Properties

- [AllowColumnReordering](https://eto.picoe.ca/api/type/eto.forms.grid.ihandler/allowcolumnreordering.md): Gets or sets a value indicating whether the user can re-order columns
- [AllowEmptySelection](https://eto.picoe.ca/api/type/eto.forms.grid.ihandler/allowemptyselection.md): Gets or sets a value indicating that the user can clear the selection.
- [AllowMultipleSelection](https://eto.picoe.ca/api/type/eto.forms.grid.ihandler/allowmultipleselection.md): Gets or sets a value indicating whether the user can select multiple rows
- [Border](https://eto.picoe.ca/api/type/eto.forms.grid.ihandler/border.md): Gets or sets the border type
- [GridLines](https://eto.picoe.ca/api/type/eto.forms.grid.ihandler/gridlines.md): Gets or sets the style of grid lines to show between columns and rows
- [IsEditing](https://eto.picoe.ca/api/type/eto.forms.grid.ihandler/isediting.md): Gets a value indicating that the current cell is in edit mode.
- [RowHeight](https://eto.picoe.ca/api/type/eto.forms.grid.ihandler/rowheight.md): Gets or sets the height for each row in the grid
- [SelectedRows](https://eto.picoe.ca/api/type/eto.forms.grid.ihandler/selectedrows.md): Gets the selected rows indexes
- [ShowHeader](https://eto.picoe.ca/api/type/eto.forms.grid.ihandler/showheader.md): Gets or sets a value indicating that the header should be shown

## Methods

- [BeginEdit](https://eto.picoe.ca/api/type/eto.forms.grid.ihandler/beginedit.md): Begin to edit one cell
- [CancelEdit](https://eto.picoe.ca/api/type/eto.forms.grid.ihandler/canceledit.md): Cancels the current edit operation and reverts the cell value to the value in the model.
- [CommitEdit](https://eto.picoe.ca/api/type/eto.forms.grid.ihandler/commitedit.md): Commits a current edit operation and sets the current value to the model.
- [ScrollToRow](https://eto.picoe.ca/api/type/eto.forms.grid.ihandler/scrolltorow.md): Scrolls to show the specified row in the view
- [SelectAll](https://eto.picoe.ca/api/type/eto.forms.grid.ihandler/selectall.md): Selects all rows
- [SelectRow](https://eto.picoe.ca/api/type/eto.forms.grid.ihandler/selectrow.md): Selects the row to the specified `row`, clearing other selections
- [UnselectAll](https://eto.picoe.ca/api/type/eto.forms.grid.ihandler/unselectall.md): Clears the selection
- [UnselectRow](https://eto.picoe.ca/api/type/eto.forms.grid.ihandler/unselectrow.md): Unselects the specified `row`

## Inherited Members

- From [Control.IHandler](https://eto.picoe.ca/api/type/eto.forms.control.ihandler.md): [AllowDrop](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/allowdrop.md), [BackgroundColor](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/backgroundcolor.md), [Cursor](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/cursor.md), [Enabled](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/enabled.md), [HasFocus](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/hasfocus.md), [Height](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/height.md), [IsMouseCaptured](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/ismousecaptured.md), [Location](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/location.md), [Size](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/size.md), [SupportedPlatformCommands](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/supportedplatformcommands.md), [TabIndex](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/tabindex.md), [TabStop](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/tabstop.md), [ToolTip](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/tooltip.md), [Visible](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/visible.md), [VisualControls](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/visualcontrols.md), [Width](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/width.md), [AddGesture](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/addgesture.md), [CaptureMouse](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/capturemouse.md), [ClearGestures](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/cleargestures.md), [DoDragDrop](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/dodragdrop.md), [Focus](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/focus.md), [GetNativeParentWindow](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/getnativeparentwindow.md), [GetPreferredSize](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/getpreferredsize.md), [Invalidate](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/invalidate.md), [MapPlatformCommand](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/mapplatformcommand.md), [OnLoad](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/onload.md), [OnLoadComplete](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/onloadcomplete.md), [OnPreLoad](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/onpreload.md), [OnUnLoad](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/onunload.md), [PointFromScreen](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/pointfromscreen.md), [PointToScreen](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/pointtoscreen.md), [ReleaseMouseCapture](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/releasemousecapture.md), [RemoveGesture](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/removegesture.md), [ResumeLayout](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/resumelayout.md), [SetParent](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/setparent.md), [SuspendLayout](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/suspendlayout.md), [UpdateLayout](https://eto.picoe.ca/api/type/eto.forms.control.ihandler/updatelayout.md)
- From [Widget.IHandler](https://eto.picoe.ca/api/type/eto.widget.ihandler.md): [ID](https://eto.picoe.ca/api/type/eto.widget.ihandler/id.md), [NativeHandle](https://eto.picoe.ca/api/type/eto.widget.ihandler/nativehandle.md), [Widget](https://eto.picoe.ca/api/type/eto.widget.ihandler/widget.md), [HandleEvent](https://eto.picoe.ca/api/type/eto.widget.ihandler/handleevent.md), [Initialize](https://eto.picoe.ca/api/type/eto.widget.ihandler/initialize.md), [UnhandleEvent](https://eto.picoe.ca/api/type/eto.widget.ihandler/unhandleevent.md)
- From [IContextMenuHost](https://eto.picoe.ca/api/type/eto.forms.icontextmenuhost.md): [ContextMenu](https://eto.picoe.ca/api/type/eto.forms.icontextmenuhost/contextmenu.md)