protected bool RequestUpdate(Extent viewExtent, bool forceRefresh)
{
if (!this.ParentServiceConnected)
{
return(false);
}
Extent extent = Extent.Intersect(viewExtent, this.BoundaryExtent);
if (!extent.IsValid())
{
return(false);
}
if (string.IsNullOrEmpty(extent.SpatialReference))
{
extent.SpatialReference = this.BoundaryExtent.SpatialReference;
}
if (!forceRefresh && this.CurrentExtent != null && this.CurrentExtent.Equals(extent))
{
return(false);
}
if (!this.ParentDataset.ParentDocument.Editor.IsQuiescent && DocUtil.GetDimensionalInputEnabled())
{
return(false);
}
this.RequestNewRaster(extent);
this.OutstandingRequestInfo = viewExtent;
return(true);
}
