esriViewDrawPhase.esriViewDrawBackground relates what?

Question

Hi,there.
I got some information ref esri help:http://resources.esri.com/help/9.3/arcgisengine/dotnet/2a1de2c3-0c3e-412e-8e1e-1a29d657be8c.htm

It says that esriViewDrawBackground relates to the 'bottom layer',I confuse about this and I saw some code like:axMapControl1.PartialRefresh(esriViewDrawPhase.esriViewBackground, null, null);

after tracking a new regtangle to show.

kju · Accepted Answer

Hi,there.
I got some information ref esri help:http://resources.esri.com/help/9.3/arcgisengine/dotnet/2a1de2c3-0c3e-412e-8e1e-1a29d657be8c.htm

It says that esriViewDrawBackground relates to the 'bottom layer',I confuse about this and I saw some code like:axMapControl1.PartialRefresh(esriViewDrawPhase.esriViewBackground, null, null);

after tracking a new regtangle to show.

At the 10 version of the esri document,It replaced with esriViewGeography.