The Slate Material Editor toolbar gives quick access to a number of commands. Some of the commands are also available from the Slate Material Editor menus. The toolbar also has a drop-down list that lets you choose among named Views.
 To use the Slate Material Editor keyboard shortcuts for menu, toolbar, and navigation commands, the main toolbar
 To use the Slate Material Editor keyboard shortcuts for menu, toolbar, and navigation commands, the main toolbar  Keyboard Shortcut Override Toggle must be turned on.
 Keyboard Shortcut Override Toggle must be turned on. 
             Select Tool
 Select ToolActivates the Select tool. (Select is always active unless you have chosen one of the modal navigation tools such as Zoom or Pan.)
 Pick Material from Object
 Pick Material from Object 
  Put Material to Scene
 Put Material to Scene Assign Material to Selection
 Assign Material to SelectionAssigns the current material to all objects in the current selection. See To apply a material to objects in a scene.
 Delete Selected
 Delete Selected Move Children
 Move Children Hide Unused Nodeslots
 Hide Unused Nodeslots Show Map in Viewport
 Show Map in ViewportThe control for showing maps in viewports is a flyout with four possible states:
 Show Shaded Map in Viewport [off]: Uses the 3ds Max software display and disables viewport display of all maps for the active material.
 Show Shaded Map in Viewport [off]: Uses the 3ds Max software display and disables viewport display of all maps for the active material. 
                      Show Shaded Map in Viewport [on]: Uses the 3ds Max software display and enables viewport display of all maps for the active material.
 Show Shaded Map in Viewport [on]: Uses the 3ds Max software display and enables viewport display of all maps for the active material. 
                      Show Realistic Map in Viewport [off]: Uses the hardware display and disables viewport display of all maps for the active material.
 Show Realistic Map in Viewport [off]: Uses the hardware display and disables viewport display of all maps for the active material. 
                      Show Realistic Map in Viewport [on]: Uses the hardware display and enables viewport display of all maps for the active material.
 Show Realistic Map in Viewport [on]: Uses the hardware display and enables viewport display of all maps for the active material. 
                     For details, see Viewport Display of Materials .
For a legacy viewport driver (not Nitrous), if a map node is active when you click this button, and the map is assigned to more than one material (or more than one component of the same material), the Slate Material Editor opens a pop-up menu that lets you choose the material for which the map will be displayed or hidden in viewports.
 Show Background in Preview
 Show Background in PreviewThis button is enabled only when you have selected a single material node.
Turning on Show Background In Preview adds a multicolored checkered background to the Preview window for that material. The pattern background is helpful when you want to see effects of opacity and transparency.
 
  Material ID Channel
 Material ID Channel
Zero (0), the default, indicates that no Material ID channel is assigned. A value from 1 to 15 means to apply a rendering effect or Video Post Effect that uses this channel ID to this material.
(You can also choose the Material ID value from the right-click menu for a material or map node.)
 Layout flyout
 Layout flyoutThis flyout lets you choose the orientation of automatic layout in the active View.
 Lay Out All - Vertical (The default.) Click to lay out all nodes automatically in a vertical pattern.
 Lay Out All - Vertical (The default.) Click to lay out all nodes automatically in a vertical pattern. 
                      Lay Out All - Horizontal Click to lay out all nodes automatically in a horizontal pattern.
 Lay Out All - Horizontal Click to lay out all nodes automatically in a horizontal pattern. 
                     Keyboard shortcut: L (The orientation depends on which button is active on this flyout.)
Menu choice: View  Lay Out All (The orientation used by the menu choice depends on which button is active on this flyout.)
 Lay Out All (The orientation used by the menu choice depends on which button is active on this flyout.) 
                  
 Lay Out Children
 Lay Out Children Material/Map Browser
 Material/Map BrowserToggles display of the Material/Map Browser . Default=on.
 Parameter Editor
 Parameter EditorToggles display of the Parameter Editor. Default=on.
 Select by Material
 Select by MaterialThis button is enabled only when you have selected a single material node for a material that is used in the scene.
Select By Material allows you to select objects based on the active material in the Material Editor. Choosing this command opens the Select Objects dialog, which works like Select From Scene . All objects that have the selected material applied to them are highlighted in the list.