public override void DoMouseInput(MouseEventArgs e, MouseEventCategory met)
{
Point thisPt = new Point(e.X, e.Y);
switch (met)
{
case MouseEventCategory.MouseButtonDown:
if (e.Button == MouseButtons.Left)
{
previousPt = thisPt;
Cursor.Clip = bound.RectangleToScreen(new Rectangle(new Point(), bound.Size));
}
break;
case MouseEventCategory.MouseMove:
if (e.Button == MouseButtons.Left)
{
surface.DrawLine(drawPen, previousPt, thisPt);
previousPt = new Point(e.X, e.Y);
bound.Invalidate();
}
break;
case MouseEventCategory.MouseButtonUp:
//release the mouse
Cursor.Clip = Rectangle.Empty;
break;
}
}
public override void DoMouseInput(MouseEventArgs e, MouseEventCategory met)
{
Point thisPt = new Point(e.X, e.Y);
switch (met)
{
case MouseEventCategory.MouseButtonDown:
if (e.Button == MouseButtons.Left)
{
previousPt = originPt = thisPt;
Cursor.Clip = bound.RectangleToScreen(new Rectangle(new Point(), bound.Size));
isInitialized = true;
}
break;
case MouseEventCategory.MouseMove:
if (e.Button == MouseButtons.Left)
{
ControlPaint.DrawReversibleLine(bound.PointToScreen(originPt), bound.PointToScreen(previousPt), Color.White);
ControlPaint.DrawReversibleLine(bound.PointToScreen(originPt), bound.PointToScreen(thisPt), Color.White);
previousPt = thisPt;
}
break;
case MouseEventCategory.MouseButtonUp:
if (isInitialized)
{
surface.DrawLine(drawPen, originPt, thisPt);
//release the mouse
Cursor.Clip = Rectangle.Empty;
bound.Invalidate();
}
break;
}
}
