http://blogs.msdn.com/vinsibal/archive/tags/ToolTip/default.aspxTags: ToolTipen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/vinsibal/archive/2008/08/25/wpf-datagrid-sample-add-a-preview-tooltip-to-a-scrollviewer.aspxMon, 25 Aug 2008 16:46:00 GMT91d46819-8472-40ad-a661-2c78acb4018c:8893902vinsibal18http://blogs.msdn.com/vinsibal/comments/8893902.aspxhttp://blogs.msdn.com/vinsibal/commentrss.aspx?PostID=8893902http://blogs.msdn.com/vinsibal/rsscomments.aspx?PostID=8893902<P>A customer was asking for a sample of a preview ToolTip on scrolling for the DataGrid and Ben Carter, one of our awesome Devs, wrote a sample <A class="" href="http://code.msdn.microsoft.com/getwpfcode/Release/ProjectReleases.aspx?ReleaseId=1445" mce_href="http://code.msdn.microsoft.com/getwpfcode/Release/ProjectReleases.aspx?ReleaseId=1445">here</A> for any general ItemsControl.&nbsp; <FONT face=Calibri size=3>If you haven’t already, you can download the binaries and source for&nbsp;the DataGrid&nbsp;<A href="http://www.codeplex.com/wpf/Release/ProjectReleases.aspx?ReleaseId=14963" mce_href="http://www.codeplex.com/wpf/Release/ProjectReleases.aspx?ReleaseId=14963"><FONT color=#006ff7>here</FONT></A>.&nbsp;</FONT>With Ben's sample I've put it to use in the DataGrid.&nbsp; Pretty much all the work has already been done by Ben's code, I just use the attached behavior he has defined.&nbsp; I have one DataGrid that has a preview ToolTip similar to his ListBox example and one DataGrid that has a preview ToolTip with the item count.&nbsp; I've also included a checkbox for changing the scrolling mode from live to defered (more on defered scrolling <A class="" href="http://blogs.msdn.com/vinsibal/archive/2008/05/22/wpf-3-5-sp1-feature-non-live-scrolling.aspx" mce_href="http://blogs.msdn.com/vinsibal/archive/2008/05/22/wpf-3-5-sp1-feature-non-live-scrolling.aspx">here</A>).&nbsp; Check out the DataGrid sample <A class="" href="http://blogs.msdn.com/vinsibal/attachment/8893902.ashx" mce_href="http://blogs.msdn.com/vinsibal/attachment/8893902.ashx">here</A>.</P> <P><A href="http://blogs.msdn.com/blogfiles/vinsibal/WindowsLiveWriter/WPFDataGridsampleAddapreviewToolTiptoaSc_6369/dataGridWithScrollPreview_2.jpg"><IMG style="BORDER-RIGHT: 0px; BORDER-TOP: 0px; BORDER-LEFT: 0px; BORDER-BOTTOM: 0px" height=347 alt=dataGridWithScrollPreview src="http://blogs.msdn.com/blogfiles/vinsibal/WindowsLiveWriter/WPFDataGridsampleAddapreviewToolTiptoaSc_6369/dataGridWithScrollPreview_thumb.jpg" width=773 border=0></A> </P> <P mce_keep="true">&nbsp;</P><img src="http://blogs.msdn.com/aggbug.aspx?PostID=8893902" width="1" height="1">Non-live ScrollingDataGridToolTipDataGrid Samples