TreeList.InvalidateScrollAnnotations() Method

Invalidates scrollbar annotations, and causes them to be redrawn.

Namespace: DevExpress.XtraTreeList

Assembly: DevExpress.XtraTreeList.v23.2.dll

NuGet Packages: DevExpress.Win.Navigation, DevExpress.Win.TreeList

Declaration

C#

public virtual void InvalidateScrollAnnotations()

VB.NET

Public Overridable Sub InvalidateScrollAnnotations

Remarks

The code below invalidates scrollbar annotations when a style changes.

C#

void OnAnnotationsStyleChanged(object sender, ListChangedEventArgs e) {
    if(e.ListChangedType == ListChangedType.ItemChanged)
        TreeList.InvalidateScrollAnnotations();
}

VB.NET

Private Sub OnAnnotationsStyleChanged(ByVal sender As Object, ByVal e As ListChangedEventArgs) _
    Handles stylesSource.ListChanged
    If e.ListChangedType = ListChangedType.ItemChanged Then
        TreeList.InvalidateScrollAnnotations()
    End If
End Sub

Note

Run the Hierarchy Column module in the XtraTreeList MainDemo to see the complete example.