Gets or sets a value representing the percentage from the start or the end of a page that, when accessed, will cause the previous or next page to be queried and the items loaded in memory.
'Declaration
Public Property PreemptivePageQueryRatio As Double
'Usage
Dim instance As DataGridVirtualizingCollectionViewBase
Dim value As Double
instance.PreemptivePageQueryRatio = value
value = instance.PreemptivePageQueryRatio
public double PreemptivePageQueryRatio {get; set;}
Property Value
A value between 0.0 and 0.5 that represents the percentage from the start or the end of a page that, when accessed, will cause the previous or next page to be queried and the items loaded in memory. By default, 0.25 meaning that when an item is accessed and is part of the first 25
. If the item is located in the last 25 of a page, a
QueryItems event will be raised to request the data for the next page.
Target Platforms: Windows 11, Windows 10, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
