private void shtViewWnd_MouseMove(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Middle)
{
Point pt = new Point(e.X, e.Y);
m_shtViewPort.PanViewPort(pt.X - m_referPt.X, pt.Y - m_referPt.Y);
m_referPt = pt;
Invalidate();
}
}
private void matViewWnd_MouseMove(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Middle)
{
Point pt = new Point(e.X, e.Y);
m_matViewPort.PanViewPort(pt.X - m_referPt.X, pt.Y - m_referPt.Y);
m_referPt = pt;
Invalidate();
}
// display the current coordinate.
Point2DEx currentPt = m_matViewPort.GetCursorPos();
posTextBox.Text = "x= " + currentPt.X().ToString("0.000") + ", y= " + currentPt.Y().ToString("0.000");
}