public void OnEnable()
{
if (m_treeViewState == null)
{
m_treeViewState = new UnityEditor.IMGUI.Controls.TreeViewState();
}
var multiColumnHeaderState = AkWwiseTreeView.CreateDefaultMultiColumnHeaderState();
var multiColumnHeader = new UnityEditor.IMGUI.Controls.MultiColumnHeader(multiColumnHeaderState);
m_treeView = new AkWwiseTreeView(m_treeViewState, multiColumnHeader, AkWwiseProjectInfo.GetTreeData());
m_treeView.SetDoubleClickFunction(PlayPauseItem);
m_treeView.dirtyDelegate = RequestRepaint;
m_SearchField = new UnityEditor.IMGUI.Controls.SearchField();
m_SearchField.downOrUpArrowKeyPressed += m_treeView.SetFocusAndEnsureSelectedItem;
m_SearchField.SetFocus();
}