Class GridRowDragDropController
Represents a class that handles row drag-and-drop operations in SfDataGrid.
Inheritance
Implements
Namespace: Syncfusion.UI.Xaml.Grid
Assembly: Syncfusion.SfGrid.UWP.dll
Syntax
public class GridRowDragDropController : Object, IDisposable
Remarks
It provides the set of public properties and virtual methods to handle the row drag-and-drop operations in SfDataGrid.
Constructors
GridRowDragDropController()
Initializes a new instance of GridRowDragDropController class.
Declaration
public GridRowDragDropController()
Properties
DataGrid
Gets the reference to the SfDataGrid control.
Declaration
protected SfDataGrid DataGrid { get; set; }
Property Value
Type |
---|
SfDataGrid |
Methods
CloseDragIndicators()
Closes the Drag arrow indication and clears all the row's VSM applied.
Declaration
protected virtual void CloseDragIndicators()
Dispose()
To Dispose the items
Declaration
public void Dispose()
GetDropPosition(DragEventArgs, RowColumnIndex, ObservableCollection<Object>)
Gets the dropping position of a dragging row.
Declaration
protected virtual DropPosition GetDropPosition(DragEventArgs args, RowColumnIndex rowColumnIndex, ObservableCollection<object> draggingRecords)
Parameters
Type | Name | Description |
---|---|---|
Windows.UI.Xaml.DragEventArgs | args | An Windows.UI.Xaml.DragEventArgs that contains the event data. |
RowColumnIndex | rowColumnIndex | Specified index on which the mouse is hovered. |
System.Collections.ObjectModel.ObservableCollection<System.Object> | draggingRecords | Specifies the dragging records. |
Returns
Type | Description |
---|---|
DropPosition | Returns appropriate drop position DropPosition if row can drop at the specified index otherwise none. |
OnAttach(SfDataGrid)
Wiring the DataGrid events in OnAttach method.
Declaration
protected void OnAttach(SfDataGrid grid)
Parameters
Type | Name | Description |
---|---|---|
SfDataGrid | grid | Specifies the SfDataGrid |
ProcessOnDragOver(DragEventArgs, RowColumnIndex)
Occurs when the input system reports an underlying dragover event with this element as the potential drop target.
Declaration
protected virtual void ProcessOnDragOver(DragEventArgs args, RowColumnIndex rowColumnIndex)
Parameters
Type | Name | Description |
---|---|---|
Windows.UI.Xaml.DragEventArgs | args | An Windows.UI.Xaml.DragEventArgs that contains the event data. |
RowColumnIndex | rowColumnIndex | Specifies the row column index based on the mouse point. |
ProcessOnDragStarting(DragStartingEventArgs, RowColumnIndex)
Occurs when a drag operation is initiated.
Declaration
protected virtual void ProcessOnDragStarting(DragStartingEventArgs args, RowColumnIndex rowColumnIndex)
Parameters
Type | Name | Description |
---|---|---|
Windows.UI.Xaml.DragStartingEventArgs | args | An Windows.UI.Xaml.DragStartingEventArgs that contains the event data. |
RowColumnIndex | rowColumnIndex | Specifies the row column index based on the mouse point. |
ProcessOnDrop(DragEventArgs, RowColumnIndex)
Occurs when the input system reports an underlying drop event with this element as the drop target.
Declaration
protected virtual void ProcessOnDrop(DragEventArgs args, RowColumnIndex rowColumnIndex)
Parameters
Type | Name | Description |
---|---|---|
Windows.UI.Xaml.DragEventArgs | args | An Windows.UI.Xaml.DragEventArgs that contains the event data. |
RowColumnIndex | rowColumnIndex | Specifies the row column index based on the mouse point. |
ProcessOnDropCompleted(DropCompletedEventArgs)
Occurs when a drag-and-drop operation is ended.
Declaration
protected virtual void ProcessOnDropCompleted(DropCompletedEventArgs args)
Parameters
Type | Name | Description |
---|---|---|
Windows.UI.Xaml.DropCompletedEventArgs | args | An Windows.UI.Xaml.DropCompletedEventArgs that contains the event data. |
ShowDragIndicators(DropPosition, RowColumnIndex, DragEventArgs)
Sets drag indicators in appropriate position.
Declaration
protected virtual void ShowDragIndicators(DropPosition dropPosition, RowColumnIndex rowColumnIndex, DragEventArgs args)
Parameters
Type | Name | Description |
---|---|---|
DropPosition | dropPosition | Indicates the drop position,based on that the indicators will shown. |
RowColumnIndex | rowColumnIndex | Specifies the rowColumn index based on mouse hover. |
Windows.UI.Xaml.DragEventArgs | args | An Windows.UI.Xaml.DragEventArgs that contains the event data. |