Method LoadGraph

UnitTests/UnitTest_GraphView/DemoKeeper.cpp:194–199

	}

	void DemoKeeper::LoadGraph()
	{
		mFileDialogSave = false;
		mFileDialog->setDialogInfo("Load", "Load");
		mFileDialog->doModal();
	}

	void DemoKeeper::notifyInvalidateNode(BaseAnimationNode* _sender)
	{