//=====================================================================
public DockingControlDragger(DockingControl DockingControl, DockStyle ds)
{
this.Cursor = Cursors.Hand;
this._DockingControl = DockingControl;
this.Dock = DockingControl.HandleStyleFromControlStyle(ds);
SizeToOrientation(ds);
return;
}
//=====================================================================
protected override void OnMouseMove(MouseEventArgs e)
{
DockingControl docking_control = (DockingControl)this.Parent;
if (docking_control.IsHidden)
{
this.Cursor = Cursors.Default;
base.OnMouseMove(e);
return;
}
// Cursor depends on if we a vertical or horizontal resize
if ((this.Dock == DockStyle.Top) || (this.Dock == DockStyle.Bottom))
{
this.Cursor = Cursors.HSplit;
}
else if ((this.Dock == DockStyle.Left) || (this.Dock == DockStyle.Right))
{
this.Cursor = Cursors.VSplit;
}
// Can only resize if we have captured the mouse
if (this.Capture)
{
// Find the new mouse position
Point point = PointToScreen(new Point(e.X, e.Y));
// Have we actually moved the mouse?
if (point != this._PointLast)
{
// Update the last processed mouse position
this._PointLast = point;
// Find delta from original position
int xDelta = this._PointLast.X - this._PointStart.X;
int yDelta = this._PointLast.Y - this._PointStart.Y;
// Resizing from bottom or right of form means inverse movements
if ((this.Dock == DockStyle.Top) ||
(this.Dock == DockStyle.Left))
{
xDelta = -xDelta;
yDelta = -yDelta;
}
// New size is original size plus delta
if ((this.Dock == DockStyle.Top) || (this.Dock == DockStyle.Bottom))
{
Parent.ClientSize = new Size(this._Size.Width, this._Size.Height + yDelta);
}
else if ((this.Dock == DockStyle.Left) || (this.Dock == DockStyle.Right))
{
Parent.ClientSize = new Size(this._Size.Width + xDelta, this._Size.Height);
}
// Force a repaint of parent so we can see changed appearance
Parent.Refresh();
}
}
// Ensure delegates are called
base.OnMouseMove(e);
return;
}
//=====================================================================
public DockingControlResizer(DockStyle ds)
{
this.Dock = DockingControl.ResizeStyleFromControlStyle(ds);
this.Size = new Size(DockingControlResizer.FIXED_LENGTH, DockingControlResizer.FIXED_LENGTH);
return;
}