LayoutElementBase.GetParentByType<T>() Method

Returns the parent layout element of the type designated by the specified generic type parameter.

Namespace: DevExpress.XtraRichEdit.API.Layout

Assembly: DevExpress.RichEdit.v23.2.Core.dll

NuGet Packages: DevExpress.RichEdit.Core, DevExpress.Win.Navigation

Declaration

C#

public T GetParentByType<T>()
    where T : class

VB.NET

Public Function GetParentByType(Of T As Class) As T

Type Parameters

Name	Description
T	The element type.

Returns

Type	Description
T	The layout element of the type designated by the specified generic type parameter.

Remarks

Gets the element of the specified type which is higher in the layout hierarchy.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the GetParentByType<T>() method.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

winforms-richedit-enable-line-numbering-and-count-document-rows/CS/LineNumberingExample/MyPagePainter.cs#L46

public override void DrawColumn(LayoutColumn column) {
    LayoutPageArea pageArea = column.GetParentByType<LayoutPageArea>();
    if (pageArea != null) {

winforms-richedit-layout-api/CS/LayoutApiSimpleExample/MyDocumentLayoutVisitor.cs#L10

{
    if (row.GetParentByType<DevExpress.XtraRichEdit.API.Layout.LayoutPageArea>() != null)
        System.Diagnostics.Debug.WriteLine("This row is located at X: {0}, Y: {1}, related range starts at {2}",

VB.NET

winforms-richedit-enable-line-numbering-and-count-document-rows/VB/LineNumberingExample/MyPagePainter.vb#L56

Public Overrides Sub DrawColumn(ByVal column As LayoutColumn)
    Dim pageArea As LayoutPageArea = column.GetParentByType(Of LayoutPageArea)()
    If pageArea IsNot Nothing Then

winforms-richedit-layout-api/VB/LayoutApiSimpleExample/MyDocumentLayoutVisitor.vb#L9

Protected Overrides Sub VisitRow(ByVal row As DevExpress.XtraRichEdit.API.Layout.LayoutRow)
    If row.GetParentByType(Of DevExpress.XtraRichEdit.API.Layout.LayoutPageArea)() IsNot Nothing Then
        System.Diagnostics.Debug.WriteLine("This row is located at X: {0}, Y: {1}, related range starts at {2}", row.Bounds.X, row.Bounds.Y, row.Range.Start)

Implements

GetParentByType<T>()