/// <summary>
/// Begin button drag
/// </summary>
/// <param name="selected">selected button</param>
/// <param name="mousePosition">mouse position</param>
/// <param name="cursor">cursor</param>
/// <returns>true if button drag is started</returns>
protected override bool BeginButtonDrag(UnitButton selected, Point mousePosition, ref Cursor cursor)
{
if (CanMoveByMouse == false)
{
return(true);
}
EventHandler <FormEventArgs> handler = UndockForm;
if (handler != null)
{
_movedButton = selected;
_movedForm = (Form)_movedButton.Page;
_movedIndex = SelectedIndex;
Point mouseScreenPosition = Control.MousePosition;
FormEventArgs args = new FormEventArgs(_movedForm, GetPageInfo(_movedForm).Id);
handler(this, args);
RemoveButton(_movedButton);
_movedDecorator = HierarchyUtility.GetFormsDecorator(_movedForm);
IsFocused = false;
_movedDecorator.IsFocused = true;
_movedDecorator.BeginMovementByMouse(mouseScreenPosition);
cursor = Cursors.SizeAll;
}
return(true);
}
/// <summary>
/// End button drag
/// </summary>
/// <param name="cancel">cancel</param>
protected override void EndButtonDrag(bool cancel)
{
if (cancel)
{
InsertButton(_movedButton, _movedIndex);
}
else if (_movedDecorator != null)
{
_movedDecorator.EndMovementByMouse();
_movedDecorator = null;
}
}
