internal static BubbledChangeEventArgs Unlock(ModelElement modelElement, UnlockEventArgs unlockEventArgs)
{
return(new BubbledChangeEventArgs(modelElement)
{
ChangeType = ChangeType.UnlockRequest,
OriginalEventArgs = unlockEventArgs
});
}
/// <summary>
/// Tries to unlock the current model element in order to make changes possible
/// </summary>
/// <returns>True, if unlocking the model element succeeds, otherwise False</returns>
public bool TryUnlock()
{
if (IsFlagSet(ModelElementFlag.Locked))
{
if (IsFlagSet(ModelElementFlag.Frozen))
{
return(false);
}
var unlockEventArgs = new UnlockEventArgs(this);
OnBubbledChange(BubbledChangeEventArgs.Unlock(this, unlockEventArgs));
if (unlockEventArgs.MayUnlock)
{
UnlockInternal();
}
else
{
return(false);
}
}
return(true);
}