/// <summary>
///
/// </summary>
/// <param name="e"></param>
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (!m_bVisible) return;
int nX = e.X - this.AutoScrollPosition.X;
int nY = e.Y - this.AutoScrollPosition.Y;
//
m_MouseDownPosition = new Point(nX, nY);
if (IsMouseInImageBoxBounds(nX, nY, 2))
{
if (e.Button == m_nRectMoveMouseButton)
{
if (m_bAllowMouseMove)
{
m_nImageBoxMode = ImageBoxMode.Move;
m_nRectMousePosX = nX - m_ImageBoxRect.X;
m_nRectMousePosY = nY - m_ImageBoxRect.Y;
Cursor.Current = Cursors.SizeAll;
}
}
// Fire rectangle mouse down event.
OnImageBoxMouseDown(this,
new ImageBoxMouseEventArgs(e, m_ImageBoxRect));
}
else
{
if (e.Button == m_nRectResizeMouseButton)
{
if (m_bAllowMouseResize)
{
ImageBoxBounds nOnBounds;
if (IsMouseOnImageBoxBounds(nX, nY, ImageBoxBounds.Any, out nOnBounds))
{
m_nImageBoxMode = ImageBoxMode.Resize;
m_nBoundsSelected = nOnBounds;
switch (nOnBounds)
{
case ImageBoxBounds.None:
Cursor.Current = Cursors.Default;
break;
case ImageBoxBounds.Top:
Cursor.Current = Cursors.SizeNS;
break;
case ImageBoxBounds.Bottom:
Cursor.Current = Cursors.SizeNS;
break;
case ImageBoxBounds.Left:
Cursor.Current = Cursors.SizeWE;
break;
case ImageBoxBounds.Right:
Cursor.Current = Cursors.SizeWE;
break;
case ImageBoxBounds.TopLeft:
Cursor.Current = Cursors.SizeNWSE;
break;
case ImageBoxBounds.TopRight:
Cursor.Current = Cursors.SizeNESW;
break;
case ImageBoxBounds.BottomLeft:
Cursor.Current = Cursors.SizeNESW;
break;
case ImageBoxBounds.BottomRight:
Cursor.Current = Cursors.SizeNWSE;
break;
}
}
}
}
}
if (m_bFocusControl)
{
if (!this.Focused)
this.Focus();
}
}
/// <summary>
///
/// </summary>
/// <param name="e"></param>
protected override void OnMouseUp(MouseEventArgs e)
{
base.OnMouseUp(e);
if (!m_bVisible) return;
// Set flags.
m_nImageBoxMode = ImageBoxMode.None;
m_nBoundsSelected = ImageBoxBounds.None;
m_MouseDownPosition = Point.Empty;
if (IsMouseInImageBoxBounds(e.X - this.AutoScrollPosition.X, e.Y - this.AutoScrollPosition.Y, 2))
{
OnImageBoxMouseUp(this,
new ImageBoxMouseEventArgs(e, m_ImageBoxRect));
}
}
