private void _toolStripCaption_CaptionDrag(object sender, MouseEventArgs e)
{
Point pointInScreen = this.PointToScreen(e.Location);
DockControlContainer container = _manager.GetContainerAtPoint(_manager.PointToClient(pointInScreen));
if (container == null)
{
Rectangle dragRectangle = DockControlHelpers.GetDropXorDragRect(_manager, pointInScreen, DockingBarSize);
if (!dragRectangle.IsEmpty)
{
_dragger.SetRectangle(_manager.RectangleToScreen(dragRectangle));
return;
}
}
else
{
Rectangle rectangleToDraw = GetContainerDragDrawRectangle(container, pointInScreen);
if (!rectangleToDraw.IsEmpty)
{
_dragger.SetRectangle(rectangleToDraw);
return;
}
if (container.Tabbed)
{
_dragger.SetRectangle(container.RectangleToScreen(container.ClientRectangle));
return;
}
else
{
DockingControl control = container.GetDockingControlAtPoint(container.PointToClient(pointInScreen));
if (control != null)
{
Point pointInControl = control.PointToClient(pointInScreen);
rectangleToDraw = GetContolDragDrawRectangle(container, control, pointInControl);
_dragger.SetRectangle(control.RectangleToScreen(rectangleToDraw));
return;
}
}
}
_dragger.MoveTo(e.Location);
}
protected virtual void OnEndCaptionDrag(Point dropPoint, Rectangle endDragBounds)
{
using (RedrawStopper stopRedraws = new RedrawStopper(_manager, true))
{
DockControlContainer container = GetDropContainer(dropPoint);
if (container == null)
{
endDragBounds.X -= FloatingForm.PaddingSize;
endDragBounds.Y -= FloatingForm.PaddingSize;
endDragBounds.Width += 2 * FloatingForm.PaddingSize;
endDragBounds.Height += 2 * FloatingForm.PaddingSize;
FloatControl(endDragBounds);
}
else
{
int dimension = DockControlHelpers.GetDockedDimension(this, container.Dock);
container = DockControlHelpers.CreateNewContainerIfNecessary(_manager, container, PointToScreen(dropPoint), DockingBarSize);
DockControl(dropPoint, container, dimension);
RemoveFloatingForm();
}
}
}
private DockControlContainer GetDropContainer(Point dropPoint)
{
return(DockControlHelpers.GetDropContainer(_manager, PointToScreen(dropPoint), DockingBarSize));
}
private void _controlList_ControlAdded(DockedControlCollection list, DockingControl control)
{
_inExternalAddControl = true;
AddControl(control, -1, DockControlHelpers.GetDockedDimension(control, this.Dock));
_inExternalAddControl = false;
}
