protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (e.Button == MouseButtons.Left)
{
resizeType = ResizeMouseAt(e);
if (resizeType != DNDResizeType.None)
{
_resizeDelta = MousePosition;
_resizeOriginal = Size;
_resizePosition = PointToScreen(Point.Zero);
}
else
{
// Move then.
if (Movable)
{
if (e.Location.Y < HeaderHeight)
{
_windowMoveDelta = e.Location;
_windowMove = true;
}
}
}
}
}
public DNDResizeType ResizeMouseAt(MouseEventArgs e)
{
DNDResizeType r_type = DNDResizeType.None;
if (Resizable)
{
if (ResizeIcon == false)
{
// Resize.
r_type = DNDResizeType.None;
// Left side.
if (e.X < _resizeOffset)
{
r_type = DNDResizeType.Left;
if (e.Y < _resizeOffset)
{
r_type = DNDResizeType.LeftUp;
}
else if (e.Y > Height - _resizeOffset)
{
r_type = DNDResizeType.LeftDown;
}
}
else if (e.X > Width - _resizeOffset)
{
// Right side.
r_type = DNDResizeType.Right;
if (e.Y < _resizeOffset)
{
r_type = DNDResizeType.RightUp;
}
else if (e.Y > Height - _resizeOffset)
{
r_type = DNDResizeType.RightDown;
}
}
else if (e.Y < _resizeOffset)
{
r_type = DNDResizeType.Up;
}
else if (e.Y > Height - _resizeOffset)
{
r_type = DNDResizeType.Down;
}
}
else
{
var resizeIcon = ApplicationBehaviour.Resources.Images.FormResize;
if (resizeIcon != null)
{
if (new Rectangle(Width - resizeIcon.width - 4, Height - resizeIcon.height - 4, resizeIcon.width + 4, resizeIcon.height + 4).Contains(e.Location))
{
r_type = DNDResizeType.RightDown;
}
}
}
}
return(r_type);
}
public void SetResize(DNDResizeType resize)
{
resizeType = resize;
_resizeDelta = MousePosition;
_resizeOriginal = Size;
_resizePosition = PointToScreen(Point.Zero);
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
if (_windowMove)
{
Location = PointToScreen(e.Location) - _windowMoveDelta;
}
else
{
_resizeShow = ResizeMouseAt(e);
}
}
private void _Application_UpClick(object sender, MouseEventArgs e)
{
_windowMove = false;
resizeType = DNDResizeType.None;
}
