show material's property in inspector in Unity use this function in Custom Editor Class.

ShowMaterialEditor.cs

    void ShowMaterialEditor(Material[] ms){
		for(int i = 0; i < ms.Length; i++){
			Material m = ms[i];
			if(m == null)
				return;
			Shader s = m.shader;
			EditorGUILayout.LabelField(m.name);
			EditorGUI.indentLevel++;
			
			for(int j = 0; j < ShaderUtil.GetPropertyCount(s); j++){
				string propName = ShaderUtil.GetPropertyName(s, j);
				string descript = ShaderUtil.GetPropertyDescription(s, j) + ":";
				object preVal;
				object val;
				
				switch(ShaderUtil.GetPropertyType(s, j)){
				case  ShaderUtil.ShaderPropertyType.Range:
 					EditorGUILayout.BeginHorizontal();
					float min = ShaderUtil.GetRangeLimits(s, j, 1);
					float max = ShaderUtil.GetRangeLimits(s, j, 2);
					preVal = m.GetFloat(propName);
					val = EditorGUILayout.Slider(descript, (float)preVal, min, max);
					if(val != preVal){
						Undo.RegisterUndo(m, m.name);
						m.SetFloat(propName, (float)val);
					}
					EditorGUILayout.EndHorizontal();
					break;
				case ShaderUtil.ShaderPropertyType.Float:
					preVal = m.GetFloat(propName);
					val = EditorGUILayout.FloatField(descript, (float)preVal);
					if(val != preVal){
						Undo.RegisterUndo(m, m.name);
						m.SetFloat(propName, (float)val);
					}
					break;
				case ShaderUtil.ShaderPropertyType.Color:
					preVal = m.GetColor(propName);
					val = EditorGUILayout.ColorField(descript, (Color)preVal);
					if(val != preVal){
						Undo.RegisterUndo(m, m.name);
						m.SetColor(propName, (Color)val);
					}
					break;
				case ShaderUtil.ShaderPropertyType.TexEnv:
					preVal = m.GetTexture(propName);
					val = EditorGUILayout.ObjectField(descript, (Texture)preVal, typeof(Texture), false);
					if(val != preVal){
						Undo.RegisterUndo(m, m.name);
						m.SetTexture(propName, (Texture)val);
					}
					break;
				case ShaderUtil.ShaderPropertyType.Vector:
					preVal = m.GetVector(propName);
					val = EditorGUILayout.Vector4Field(descript, (Vector4)preVal);
					if(val != preVal){
						Undo.RegisterUndo(m, m.name);
						m.SetVector(propName, (Vector4)val);
					}
					break;
				}
			}
			EditorGUI.indentLevel--;
		}
	}