void ChartMain_MouseLeave(object sender, EventArgs e)
{
if (ChartMain.Focused)
{
ChartMain.Parent.Focus();
}
MouseVector.Reset();
}
/// <summary>
/// Moves chart around depending on
/// </summary>
/// <param name="e"></param>
private void MoveX(MouseEventArgs e)
{
if (MouseVector.Start.IsInvalid)
{
return;
}
MouseVector.End = (Point2D)e.Location;
if (MouseVector.IsInvalid ||
MouseVector.Min < 0 ||
MouseVector.MaxX >= ChartMain.Width ||
MouseVector.MaxY >= ChartMain.Height ||
MouseVector.Width < 1
)
{
return;
}
double position = ChartMain.ChartAreas[0].AxisX.ScaleView.Position;
double size = ChartMain.ChartAreas[0].AxisX.ScaleView.Size;
double x1 = AxisX.PixelPositionToValue(MouseVector.Start.X);
double x2 = AxisX.PixelPositionToValue(MouseVector.End.X);
double move = x2 - x1;
double pXStart = position - move;
double pXEnd = position + size;
if (MinX == null || MaxX == null)
{
return;
}
if ((pXStart < MinX.XValue && move > 0) || (pXEnd > MaxX.XValue && move < 0))
{
MouseVector.Reset();
return;
}
//ScaleX.Zoom(pXStart, pXEnd);
ChartMain.ChartAreas[0].AxisX.ScaleView.Position = pXStart;
//ChartMain.ChartAreas[0].AxisX.ScaleView.Size = pXEnd - pXStart;
this.RescaleY();
MouseVector.Start = MouseVector.End;
}
void ChartMain_MouseUp(object sender, MouseEventArgs e)
{
MouseVector.Reset();
}
void ChartMain_MouseDown(object sender, MouseEventArgs e)
{
MouseVector.Reset();
MouseVector.Start = (Point2D)e.Location;
}