public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
if (Button == 2)
{
return;
}
INewLineFeedback pLineFeed;
if (m_point_From == null)
{
m_point_From = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
//拖拽效果
m_pFeedback = new NewLineFeedbackClass();
pLineFeed = (INewLineFeedback)m_pFeedback;
pLineFeed.Start(m_point_From);
if (m_pFeedback != null)
{
m_pFeedback.Display = m_hookHelper.ActiveView.ScreenDisplay;
}
}
else if (m_point_To == null)
{
m_point_To = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
//添加拖拽点
pLineFeed = (INewLineFeedback)m_pFeedback;
pLineFeed.AddPoint(m_point_To);
}
else if (m_point_Center == null)
{
m_point_Center = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
//添加拖拽点
pLineFeed = (INewLineFeedback)m_pFeedback;
pLineFeed.AddPoint(m_point_Center);
pLineFeed.Stop();
ESRI.ArcGIS.Geometry.ICircularArc circularArc = new ESRI.ArcGIS.Geometry.CircularArcClass();
circularArc.PutCoords(m_point_Center, m_point_From, m_point_To, ESRI.ArcGIS.Geometry.esriArcOrientation.esriArcClockwise);
DrawCircleByCenterAndRadius(m_pCurrentLayer, circularArc, m_hookHelper.ActiveView.ScreenDisplay);
//画完后清空
m_point_From = null;
m_point_To = null;
m_point_Center = null;
}
}
public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
if (Button == 2) return;
INewLineFeedback pLineFeed;
if (m_point_From == null)
{
m_point_From = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
//��קЧ��
m_pFeedback = new NewLineFeedbackClass();
pLineFeed = (INewLineFeedback)m_pFeedback;
pLineFeed.Start(m_point_From);
if (m_pFeedback != null)
m_pFeedback.Display = m_hookHelper.ActiveView.ScreenDisplay;
}
else if (m_point_To == null)
{
m_point_To = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
//�����ק��
pLineFeed = (INewLineFeedback)m_pFeedback;
pLineFeed.AddPoint(m_point_To);
}
else if (m_point_Center == null)
{
m_point_Center = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
//�����ק��
pLineFeed = (INewLineFeedback)m_pFeedback;
pLineFeed.AddPoint(m_point_Center);
pLineFeed.Stop();
ESRI.ArcGIS.Geometry.ICircularArc circularArc = new ESRI.ArcGIS.Geometry.CircularArcClass();
circularArc.PutCoords(m_point_Center, m_point_From, m_point_To, ESRI.ArcGIS.Geometry.esriArcOrientation.esriArcClockwise);
DrawCircleByCenterAndRadius(m_pCurrentLayer, circularArc, m_hookHelper.ActiveView.ScreenDisplay);
//��������
m_point_From = null;
m_point_To = null;
m_point_Center = null;
}
}
