public override void OnMouseMove(int Button, int Shift, int X, int Y)
{
IPoint pt = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
pt = GIS.GraphicEdit.SnapSetting.getSnapPoint(pt);
if (m_newBezierCurveFeedback != null)
{
m_newBezierCurveFeedback.MoveTo(pt);
DataEditCommon.g_pAxMapControl.Focus();
}
}
//回退操作
private void Undo()
{
if (m_pUndoArray.Count == 0)
{
return;
}
if (m_pUndoArray.Count > 1)
{
m_pEnvelope = CommonFunction.GetMinEnvelopeOfTheArray(m_pUndoArray);
}
else if (m_pUndoArray.Count == 1)
{
IPoint pTempPoint = new PointClass();
pTempPoint.X = (m_pUndoArray.get_Element(0) as Point).X;
pTempPoint.Y = (m_pUndoArray.get_Element(0) as Point).Y;
m_pEnvelope.Width = Math.Abs(m_pPoint.X - pTempPoint.X);
m_pEnvelope.Height = Math.Abs(m_pPoint.Y - pTempPoint.Y);
pTempPoint.X = (pTempPoint.X + m_pPoint.X) / 2;
pTempPoint.Y = (pTempPoint.Y + m_pPoint.Y) / 2;
m_pEnvelope.CenterAt(pTempPoint);
}
if (m_pEnvelope != null && !m_pEnvelope.IsEmpty)
{
m_pEnvelope.Expand(10, 10, false);
}
IPoint pPoint = new PointClass();
pPoint = (IPoint)m_pUndoArray.get_Element(m_pUndoArray.Count - 1);
IEnvelope enve = new EnvelopeClass();
enve = CommonFunction.NewRect(pPoint, m_dblTolerance);
IEnumElement pEnumElement = m_MapControl.ActiveView.GraphicsContainer.LocateElementsByEnvelope(enve);
if (pEnumElement != null)
{
pEnumElement.Reset();
IElement pElement = pEnumElement.Next();
while (pElement != null)
{
m_MapControl.ActiveView.GraphicsContainer.DeleteElement(pElement);
pElement = pEnumElement.Next();
}
}
m_MapControl.ActiveView.Refresh();
m_pUndoArray.Remove(m_pUndoArray.Count - 1); //删除数组中最后一个点
//屏幕刷新
//m_pActiveView.PartialRefresh(esriViewDrawPhase.esriViewForeground,null,null);
m_pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, m_pEnvelope); //视图刷新
m_pActiveView.ScreenDisplay.UpdateWindow();
//开始作复位工作
if (m_pUndoArray.Count != 0)
{
UpdataBezierCurveFeed(m_MapControl, ref m_pUndoArray);
m_pBezierCurveFeed.MoveTo(m_pAnchorPoint);
}
else
{
Reset(); //复位
}
}