Class GridHeaderCellRenderer
GridHeaderCellRenderer is a class for cell renderer that displays header contents in a GridHeaderCellControl. The class provides strong typed override methods for initializing Content of the cell and arranging the cell visuals.
Updates to appearance and Content of child elements, creation and unloading of views will not trigger layout or render calls in parent canvas.
Inheritance
Inherited Members
Namespace: Syncfusion.SfDataGrid.XForms
Assembly: Syncfusion.SfDataGrid.XForms.dll
Syntax
public class GridHeaderCellRenderer : GridVirtualizingCellRendererBase<ContentView, GridCell>, IGridCellRenderer, IDisposableRemarks
GridHeaderCellRenderer loads a Xamarin.Forms.ContentView inside the GridHeaderCellControl inside which it hosts an SfLabel for displaying the HeaderText and also displays the sort icon adjacent to it upon sorting the column.
Constructors
GridHeaderCellRenderer()
Initializes a new instance of the GridHeaderCellRenderer class.
Declaration
public GridHeaderCellRenderer()Methods
OnCreateDisplayUIView()
Creates a new Xamarin.Forms.ContentView.
Declaration
protected override ContentView OnCreateDisplayUIView()Returns
| Type | Description |
|---|---|
| Xamarin.Forms.ContentView | A new Xamarin.Forms.ContentView. |
Overrides
OnInitializeDisplayView(DataColumnBase, ContentView)
Initializes the column element of a Syncfusion.SfDataGrid.XForms.DataColumn object with the given Xamarin.Forms.ContentView and required values.
Declaration
public override void OnInitializeDisplayView(DataColumnBase dataColumn, ContentView view)Parameters
| Type | Name | Description |
|---|---|---|
| Syncfusion.SfDataGrid.XForms.DataColumnBase | dataColumn | The dataColumn containing the details of the column. |
| Xamarin.Forms.ContentView | view | A Xamarin.Forms.ContentView to be hosted inside the column element. |
Overrides
OnSetCellStyle(DataColumnBase)
Called from SetCellStyle(DataColumnBase) to set the style for the column element in a Syncfusion.SfDataGrid.XForms.DataColumn.
Declaration
protected override void OnSetCellStyle(DataColumnBase dataColumn)Parameters
| Type | Name | Description |
|---|---|---|
| Syncfusion.SfDataGrid.XForms.DataColumnBase | dataColumn | The data column. |
Overrides
OnUpdateCellStyle(DataColumnBase)
Called from UpdateCellStyle(DataColumnBase) to update the cell style for the column element in a Syncfusion.SfDataGrid.XForms.DataColumn.
Declaration
protected override void OnUpdateCellStyle(DataColumnBase dataColumn)Parameters
| Type | Name | Description |
|---|---|---|
| Syncfusion.SfDataGrid.XForms.DataColumnBase | dataColumn | The data column. |
Overrides
OnUpdateCellValue(DataColumnBase)
Updates the cell value of the header column.
Declaration
protected override void OnUpdateCellValue(DataColumnBase dataColumn)Parameters
| Type | Name | Description |
|---|---|---|
| Syncfusion.SfDataGrid.XForms.DataColumnBase | dataColumn | The data column. |
Overrides
OnUpdateDisplayValue(DataColumnBase, ContentView)
Updates the column element of a Syncfusion.SfDataGrid.XForms.DataColumn object with the given Xamarin.Forms.ContentView and required values.
Declaration
public override void OnUpdateDisplayValue(DataColumnBase dataColumn, ContentView view)Parameters
| Type | Name | Description |
|---|---|---|
| Syncfusion.SfDataGrid.XForms.DataColumnBase | dataColumn | The dataColumn containing the details of the column. |
| Xamarin.Forms.ContentView | view | A Xamarin.Forms.ContentView to be updated inside the column element. |
Overrides
UpdateColumnElement(DataColumnBase)
Updates the column element of the passed dataColumn.
Declaration
protected override CellElement UpdateColumnElement(DataColumnBase dataColumn)Parameters
| Type | Name | Description |
|---|---|---|
| Syncfusion.SfDataGrid.XForms.DataColumnBase | dataColumn | The data column. |
Returns
| Type | Description |
|---|---|
| CellElement | The column element. |