Manage Survey Header

Use the following code to hide title, description and logo properties from the property grid. For Survey:

    Survey.Serializer.findProperty("survey", "title").visible = false;
    Survey.Serializer.findProperty("survey", "description").visible = false;
    Survey.Serializer.findProperty("survey", "logo").visible = false;

For Page:

    Survey.Serializer.findProperty("page", "title").visible = false;
    Survey.Serializer.findProperty("page", "description").visible = false;

Use the following code to hide survey title from designer:

    creator.allowEditSurveyTitle = false;