i create my world using this sample
https://github.com/sharpdx/SharpDX-Samples/tree/master/Toolkit/WindowsDesktop/TiledResources
and i have this error
Error 1 The type or namespace name 'TiledResourceCoordinate' could not be found (are you missing a using directive or an assembly reference?) C:\Users\Pedro\Dropbox\GAMES\NeoforceControls-SharpDX-master\Central\Terrenos\TileKey.cs 13 25 Central
Error 2 The type or namespace name 'TiledResourceCoordinate' could not be found (are you missing a using directive or an assembly reference?) C:\Users\Pedro\Dropbox\GAMES\NeoforceControls-SharpDX-master\Central\Terrenos\TileMappingUpdateArguments.cs 13 30 Central
Error 3 The type or namespace name 'TileRangeFlags' could not be found (are you missing a using directive or an assembly reference?) C:\Users\Pedro\Dropbox\GAMES\NeoforceControls-SharpDX-master\Central\Terrenos\TileMappingUpdateArguments.cs 14 30 Central
Error 4 The type or namespace name 'TiledResourceCoordinate' could not be found (are you missing a using directive or an assembly reference?) C:\Users\Pedro\Dropbox\GAMES\NeoforceControls-SharpDX-master\Central\Terrenos\TileKey.cs 16 24 Central
Error 5 The type or namespace name 'SubResourceTiling' does not exist in the namespace 'SharpDX.Direct3D11' (are you missing an assembly reference?) C:\Users\Pedro\Dropbox\GAMES\NeoforceControls-SharpDX-master\Central\Terrenos\TileLoader.cs 18 45 Central
Error 6 The type or namespace name 'PackedMipDescription' could not be found (are you missing a using directive or an assembly reference?) C:\Users\Pedro\Dropbox\GAMES\NeoforceControls-SharpDX-master\Central\Terrenos\ManagedTiledResource.cs 29 16 Central
Error 7 The type or namespace name 'TileShape' could not be found (are you missing a using directive or an assembly reference?) C:\Users\Pedro\Dropbox\GAMES\NeoforceControls-SharpDX-master\Central\Terrenos\ManagedTiledResource.cs 34 16 Central
Error 8 The type or namespace name 'TiledResourceCoordinate' could not be found (are you missing a using directive or an assembly reference?) C:\Users\Pedro\Dropbox\GAMES\NeoforceControls-SharpDX-master\Central\Terrenos\TrackedTile.cs 37 71 Central
Error 9 The type or namespace name 'SubResourceTiling' could not be found (are you missing a using directive or an assembly reference?) C:\Users\Pedro\Dropbox\GAMES\NeoforceControls-SharpDX-master\Central\Terrenos\ManagedTiledResource.cs 39 16 Central
Error 10 The type or namespace name 'SubResourceTiling' does not exist in the namespace 'SharpDX.Direct3D11' (are you missing an assembly reference?) C:\Users\Pedro\Dropbox\GAMES\NeoforceControls-SharpDX-master\Central\Terrenos\TileLoader.cs 39 63 Central
Error 11 The type or namespace name 'TiledResourceCoordinate' does not exist in the namespace 'SharpDX.Direct3D11' (are you missing an assembly reference?) C:\Users\Pedro\Dropbox\GAMES\NeoforceControls-SharpDX-master\Central\Terrenos\TileLoader.cs 73 62 Central
Error 12 The type or namespace name 'TiledResourceCoordinate' does not exist in the namespace 'SharpDX.Direct3D11' (are you missing an assembly reference?) C:\Users\Pedro\Dropbox\GAMES\NeoforceControls-SharpDX-master\Central\Terrenos\TileLoader.cs 87 52 Central