Texture.wrapMode
var wrapMode: TextureWrapMode;
TextureWrapMode wrapMode;
wrapMode as TextureWrapMode
Description

Wrap mode (Repeat or Clamp) of the texture.

Set the texture to clamp at the borders to avoid warping artifacts with TextureWrapMode.Clamp. Or tile the texture with TextureWrapMode.Repeat. See Also: Texture.wrapMode, texture assets.
	renderer.material.mainTexture.wrapMode = TextureWrapMode.Clamp;
using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    void Example() {
        renderer.material.mainTexture.wrapMode = TextureWrapMode.Clamp;
    }
}
import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	def Example() as void:
		renderer.material.mainTexture.wrapMode = TextureWrapMode.Clamp