public void SetObjects(object object_0)
{
this.ipictureElement2_0 = object_0 as IPictureElement2;
}
private void AddPictureElement(string strFileName)
{
IPictureElement2 pictureElement = null;
string suffix = strFileName.Substring(strFileName.Length - 3, 3).ToLower();
switch (suffix)
{
case "jpg":
pictureElement = new JpgPictureElementClass();
break;
case "gif":
pictureElement = new GifPictureElementClass();
break;
case "tif":
pictureElement = new TifPictureElementClass();
break;
case "emf":
pictureElement = new EmfPictureElementClass();
break;
case "bmp":
pictureElement = new BmpPictureElementClass();
break;
case "png":
pictureElement = new PngPictureElementClass();
break;
default:
return;
}
try
{
pictureElement.ImportPictureFromFile(strFileName);
}
catch (Exception ex)
{
XtraMessageBox.Show(ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
IElement iElement = (IElement)pictureElement;
IActiveView iActiveView = this.m_pMapControl.ActiveView;
double pictureWidth = 0;
double pictureHeight = 0;
pictureElement.QueryIntrinsicSize(ref pictureWidth, ref pictureHeight);
IEnvelope env = this.m_pMapControl.ActiveView.Extent;
tagRECT rect = new tagRECT();
m_pMapControl.ActiveView.ScreenDisplay.DisplayTransformation.TransformRect(env, ref rect,
(int)esriDisplayTransformationEnum.esriTransformToDevice);
Rectangle rectangle = new Rectangle(rect.left, rect.top, rect.right - rect.left,
rect.bottom - rect.top);
int x = (rectangle.Left + rectangle.Right) / 2;
int y = (rectangle.Top + rectangle.Height) / 2;
/* IPoint point = iActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(x, y);*/
IEnvelope envelope = new EnvelopeClass();
envelope.PutCoords(point.X, point.Y,
point.X + (int)(pictureWidth / 72 * iActiveView.ScreenDisplay.DisplayTransformation.ScaleRatio),
point.Y + (int)(pictureHeight / 72 * iActiveView.ScreenDisplay.DisplayTransformation.ScaleRatio));
iElement.Geometry = envelope;
IBoundsProperties bp = iElement as IBoundsProperties;
bp.FixedAspectRatio = true;
pictureElement.MaintainAspectRatio = true;
pGraphicsContainer = this.m_pMapControl.ActiveView as IGraphicsContainer;
pGraphicsContainer.AddElement(iElement, 0);
this.m_pMapControl.ActiveView.Refresh();
}
