Show a popup with the given PopupWindowContent.
public static void Show(Rect activatorRect, PopupWindowContent windowContent) { Show(activatorRect, windowContent, null); }
void ShowSettingsWindow() { var rect = EditorWindow.focusedWindow.position; rect.xMin = rect.width - SettingsMixturePopupWindow.width; rect.yMin = 21; rect.size = Vector2.zero; PopupWindow.Show(rect, new SettingsMixturePopupWindow(graphView)); }