Engine中如何移动图片？

 

IActiveView act = axMapControl1.ActiveView; 

IMap map = act.FocusMap; 

IGraphicsContainer contain = map as IGraphicsContainer; 



IPictureElement4 pictureElement = new PngPictureElementClass(); 

pictureElement.ImportPictureFromFile(@D:\image.png); 



IEnvelope envelope = new EnvelopeClass(); 

envelope.PutCoords(1, 1, 25, 25); 



IElement element = pictureElement as IElement; 

element.Geometry = envelope; 

contain.AddElement(element, 0);

act.PartialRefresh(esriViewDrawPhase.esriViewAll, null, null);  



ITransform2D tran = null; 

tran = element as ITransform2D; 

tran.Move(0, 25);