public void StartEditElement(IActiveView pView, ref IElement pElement)
{
if (pElement == null)
{
return;
}
m_pOrgElement = pElement;
m_pBoundProp = (IBoundsProperties)m_pOrgElement;
m_pTransform = (ITransform2D)m_pOrgElement;
m_pActiveView = pView;
m_pDisplay = pView.ScreenDisplay;
m_pGraphicCtn = pView.GraphicsContainer;
SetUI(m_pOrgElement);
GetProperty(m_pDisplay, m_pOrgElement);
//this.ShowDialog();
}
public bool HitTestSelectionElement(IActiveView pActiveView, long x, long y, bool bMapUnit)
{
try
{
if (pActiveView != null)
{
IGraphicsContainerSelect select = pActiveView as IGraphicsContainerSelect;
if (select.ElementSelectionCount <= 0)
{
return(false);
}
IPoint point = null;
if (bMapUnit)
{
point = new PointClass {
X = x,
Y = y
};
}
else
{
point = pActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint((int)x, (int)y);
}
IEnvelope bounds = new EnvelopeClass();
IBoundsProperties properties = null;
IGeometry other = null;
IRelationalOperator @operator = point as IRelationalOperator;
IEnumElement selectedElements = null;
selectedElements = select.SelectedElements;
if (selectedElements == null)
{
return(false);
}
IElement element2 = null;
selectedElements.Reset();
for (element2 = selectedElements.Next(); element2 != null; element2 = selectedElements.Next())
{
if (!element2.Locked)
{
properties = element2 as IBoundsProperties;
if (properties.FixedSize)
{
element2.QueryBounds(pActiveView.ScreenDisplay, bounds);
}
else
{
bounds = element2.Geometry.Envelope;
}
other = bounds;
if (@operator.Within(other))
{
return(true);
}
}
}
}
return(false);
}
catch (Exception exception)
{
this.mErrOpt.ErrorOperate(this.mSubSysName, "FunFactory.ElementFun", "HitTestSelectionElement", exception.GetHashCode().ToString(), exception.Source, exception.Message, "", "", "");
return(false);
}
}
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();
}
