/// <summary>
/// 读取图片并返回Element
/// </summary>
/// <param name="sPath"></param>
/// <returns></returns>
private IElement GetPicture(string sPath)
{
IRasterPicture pRasterPicture = new RasterPicture();
IOlePictureElement pOlePicture = new BmpPictureElement() as IOlePictureElement;
pOlePicture.ImportPicture(pRasterPicture.LoadPicture(sPath) as stdole.IPictureDisp);
return(pOlePicture as IElement);
}
public override void OnClick()
{
System.Windows.Forms.OpenFileDialog openFileDialog = new System.Windows.Forms.OpenFileDialog();
openFileDialog.Filter =
"所有支持格式|*.bmp;*.jpg;*.gif;*.emf;*.tif;*.png|位图文件|*.bmp|JPEG|*.jpg|TIFF|*.tif|EMF|*.emf|PNG|*.png|GIF|*.gif";
if (openFileDialog.ShowDialog() != System.Windows.Forms.DialogResult.OK)
{
return;
}
string fileName = openFileDialog.FileName;
string text = System.IO.Path.GetExtension(fileName).ToLower();
string text2 = text;
IElement element;
if (text2 != null)
{
if (text2 == ".bmp")
{
element = new BmpPictureElement();
}
else if (text2 == ".jpg")
{
element = new JpgPictureElement();
}
else if (text2 == ".gif")
{
element = new GifPictureElement();
}
else if (text2 == ".tif")
{
element = new TifPictureElement();
}
else if (text2 == ".emf")
{
element = new EmfPictureElement();
}
else
{
element = new PngPictureElement();
}
}
else
{
element = new PngPictureElement();
}
(element as IPictureElement).ImportPictureFromFile(fileName);
(element as IPictureElement).MaintainAspectRatio = true;
double num = 0.0;
double num2 = 0.0;
(element as IPictureElement2).QueryIntrinsicSize(ref num, ref num2);
num *= 0.0353;
num2 *= 0.0353;
IGraphicsContainer arg_11B_0 = this._context.ActiveView as IGraphicsContainer;
(element as IElementProperties2).AutoTransform = true;
IEnvelope envelope = new Envelope() as IEnvelope;
envelope.PutCoords(0.0, 0.0, num, num2);
element.Geometry = envelope;
INewElementOperation operation = new NewElementOperation
{
ActiveView = this._context.ActiveView,
Element = element
};
this._context.OperationStack.Do(operation);
}