protected override void OnMouseMove(MouseEventArgs e)
{
if (!isDrawRectAreaCreated && firstStartPoint != Point.Empty)
{
firstEndPoint = new Point(e.X, e.Y);
lastPoint = firstStartPoint;
this.Refresh();
return;
}
if (!HasDrawRectangleArea)
{
return;
}
Point point = new Point(e.X, e.Y);
Point oldPoint = lastPoint;
// set cursor when mouse button is not pressed
if (e.Button == MouseButtons.None)
{
Cursor cursor = null;
int n = drawRect.HitTest(point);
if (n > 0)
{
cursor = drawRect.GetHandleCursor(n);
}
if (cursor == null)
{
cursor = Cursors.Default;
}
this.Cursor = cursor;
return;
}
if (e.Button != MouseButtons.Left)
{
return;
}
int dx = e.X - lastPoint.X;
int dy = e.Y - lastPoint.Y;
lastPoint.X = e.X;
lastPoint.Y = e.Y;
// resize
if (drawRect != null)
{
//this.drawArea.Visible = false;
this.toolStripPanel.Visible = false;
this.myColorPicker.Visible = false;
this.ResizeDrawArea();
if (selectMode == SelectionMode.Size)
{
drawRect.MoveHandleTo(point, resizedObjectHandle);
}
else if (selectMode == SelectionMode.Move)
{
this.Cursor = Cursors.SizeAll;
drawRect.Move(dx, dy);
}
this.Refresh();
}
base.OnMouseMove(e);
}
