Class RenderedCellsManager

Manages the DrawingVisuals for visible cells rendered to the grid canvas and provides routines for invalidating individual cells and move rendered cells after insert or remove rows or columns operations.

Inheritance

System.Object

RenderedCellsManager

Namespace: Syncfusion.Windows.Controls.Cells

Assembly: Syncfusion.GridCommon.WPF.dll

Syntax

public class RenderedCellsManager : Object

Methods

InsertColumns(Int32, Int32, RenderedCellsMoveState)

Updates the cache when columns were inserted. Only for cells that belong to columns that were inserted the cell renderer's Render method will be called next time you call InvalidateVisual on the VirtualizingCellsControl or if the control is forced to render for other reasons.

Declaration

public void InsertColumns(int insertAtColumnIndex, int count, RenderedCellsMoveState moveCellsState)

Parameters

Type	Name	Description
System.Int32	insertAtColumnIndex	Index of the first column to insert.
System.Int32	count	The count.
RenderedCellsMoveState	moveCellsState	State for moving cells. Use this when moving columns; otherwise specify null.

InsertRows(Int32, Int32, RenderedCellsMoveState)

Updates the cache when rows were inserted. Only for cells that belong to rows that were inserted the cell renderer's Render method will be called next time you call InvalidateVisual on the VirtualizingCellsControl or if the control is forced to render for other reasons.

Declaration

public void InsertRows(int insertAtRowIndex, int count, RenderedCellsMoveState moveCellsState)

Parameters

Type	Name	Description
System.Int32	insertAtRowIndex	Index of the first row to insert.
System.Int32	count	The count.
RenderedCellsMoveState	moveCellsState	State for moving cells. Use this when moving rows; otherwise specify null.

Invalidate()

Invalidates all cells. This will force the cells Render method to be called again the next time you call InvalidateVisual on the VirtualizingCellsControl or if the control is forced to render for other reasons.

Declaration

public void Invalidate()

Invalidate(CellSpanInfoBase)

Invalidates the specified cell span. This will force the cells Render method to be called again the next time you call InvalidateVisual on the VirtualizingCellsControl or if the control is forced to render for other reasons.

Declaration

public void Invalidate(CellSpanInfoBase cellSpan)

Parameters

Type	Name	Description
CellSpanInfoBase	cellSpan	The cell span.

Invalidate(RowColumnIndex)

Invalidates the specified cell row column index. This will force the cells Render method to be called again the next time you call InvalidateVisual on the VirtualizingCellsControl or if the control is forced to render for other reasons.

Declaration

public void Invalidate(RowColumnIndex cellRowColumnIndex)

Parameters

Type	Name	Description
RowColumnIndex	cellRowColumnIndex	Index of the cell row column.

RemoveColumns(Int32, Int32, RenderedCellsMoveState)

Updates the cache when columns were removed. Only for cells that belong to columns that become scrolled into view the cell renderer's Render method will be called next time you call InvalidateVisual on the VirtualizingCellsControl or if the control is forced to render for other reasons.

Declaration

public void RemoveColumns(int removeAtColumnIndex, int count, RenderedCellsMoveState moveCellsState)

Parameters

Type	Name	Description
System.Int32	removeAtColumnIndex	Index of the first column to remove.
System.Int32	count	The count.
RenderedCellsMoveState	moveCellsState	State for moving cells. Use this when moving columns; otherwise specify null.

RemoveRows(Int32, Int32, RenderedCellsMoveState)

Updates the cache when rows were removed. Only for cells that belong to rows that become scrolled into view the cell renderer's Render method will be called next time you call InvalidateVisual on the VirtualizingCellsControl or if the control is forced to render for other reasons.

Declaration

public void RemoveRows(int removeAtRowIndex, int count, RenderedCellsMoveState moveCellsState)

Parameters

Type	Name	Description
System.Int32	removeAtRowIndex	Index of the first row to remove.
System.Int32	count	The count.
RenderedCellsMoveState	moveCellsState	State for moving cells. Use this when moving rows; otherwise specify null.

TryGetVisual(RowColumnIndex, out DrawingVisual)

Declaration

public void TryGetVisual(RowColumnIndex rowColIndex, out DrawingVisual visual)

Parameters

Type	Name	Description
RowColumnIndex	rowColIndex
System.Windows.Media.DrawingVisual	visual