public override void OnMouseMove(int Button, int Shift, int X, int Y)
{
// TODO: Add MeasuredisTool.OnMouseMove implementation
IPoint pPnt;
pPnt = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
//移动图片
IEnvelope MEnvelop = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.VisibleBounds;
IEnvelope FullEnv = m_hookHelper.ActiveView.FullExtent;
if (m_FeedbackLine != null || m_FeedbackPolygon != null)
{
if (MEnvelop.XMax - pPnt.X > MEnvelop.Width / 50)
{
right = true;
}
if (pPnt.X - MEnvelop.XMin > MEnvelop.Width / 50)
{
left = true;
}
if (MEnvelop.YMax - pPnt.Y > MEnvelop.Height / 50)
{
top = true;
}
if (pPnt.Y - MEnvelop.YMin > MEnvelop.Height / 50)
{
bottom = true;
}
if (MEnvelop.XMax - pPnt.X < MEnvelop.Width / 100)
{
double vWidth = MEnvelop.Width;
IEnvelope MoveEnv = new EnvelopeClass();
MoveEnv.XMin = MEnvelop.XMin + vWidth / 2;
MoveEnv.XMax = MEnvelop.XMax + vWidth / 2;
MoveEnv.YMax = MEnvelop.YMax;
MoveEnv.YMin = MEnvelop.YMin;
if (MoveEnv.XMax >= FullEnv.XMax)
{
MoveEnv.XMin = MoveEnv.XMin - (MoveEnv.XMax - FullEnv.XMax);
MoveEnv.XMax = FullEnv.XMax;
}
if (right)
{
m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.VisibleBounds = MoveEnv;
right = false;
}
m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
}
if (pPnt.X - MEnvelop.XMin < MEnvelop.Width / 100)
{
double vWidth = MEnvelop.Width;
IEnvelope MoveEnv = new EnvelopeClass();
MoveEnv.XMin = MEnvelop.XMin - vWidth / 2;
MoveEnv.XMax = MEnvelop.XMax - vWidth / 2;
MoveEnv.YMax = MEnvelop.YMax;
MoveEnv.YMin = MEnvelop.YMin;
if (MoveEnv.XMin <= FullEnv.XMin)
{
MoveEnv.XMax = MoveEnv.XMax + (FullEnv.XMin - MoveEnv.XMin);
MoveEnv.XMin = FullEnv.XMin;
}
if (left)
{
m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.VisibleBounds = MoveEnv;
left = false;
}
m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
}
if (MEnvelop.YMax - pPnt.Y < MEnvelop.Height / 100)
{
double vHeight = MEnvelop.Height;
IEnvelope MoveEnv = new EnvelopeClass();
MoveEnv.XMin = MEnvelop.XMin;
MoveEnv.XMax = MEnvelop.XMax;
MoveEnv.YMax = MEnvelop.YMax + vHeight / 2;
MoveEnv.YMin = MEnvelop.YMin + vHeight / 2;
if (MoveEnv.YMax >= FullEnv.YMax)
{
MoveEnv.YMin = MoveEnv.YMin - (MoveEnv.YMax - FullEnv.YMax);
MoveEnv.YMax = FullEnv.YMax;
}
if (top)
{
top = false;
m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.VisibleBounds = MoveEnv;
}
m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
}
if (pPnt.Y - MEnvelop.YMin < MEnvelop.Height / 100)
{
double vHeight = MEnvelop.Height;
IEnvelope MoveEnv = new EnvelopeClass();
MoveEnv.XMin = MEnvelop.XMin;
MoveEnv.XMax = MEnvelop.XMax;
MoveEnv.YMax = MEnvelop.YMax - vHeight / 2;
MoveEnv.YMin = MEnvelop.YMin - vHeight / 2;
if (MoveEnv.YMin <= FullEnv.YMin)
{
MoveEnv.YMax = MoveEnv.YMax + (FullEnv.YMin - MoveEnv.YMin);
MoveEnv.YMin = FullEnv.YMin;
}
if (bottom)
{
m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.VisibleBounds = MoveEnv;
bottom = false;
}
m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
}
}
frm.frmMove(ref pPnt, ref m_FeedbackLine);
frm.frmMove(ref pPnt, ref m_FeedbackPolygon);
}
