How to create a multipatch using a series of triangles

static IMultiPatch createMultipatch()throws Exception{
    //Prepare the geometry material list.
    IGeometryMaterial texture = new GeometryMaterial();
    texture.setTextureImage("C:\\Temp\\MyImage.bmp");

    IGeometryMaterialList materialList = new GeometryMaterialList();
    materialList.addMaterial(texture);

    //Create the multipatch.
    IGeneralMultiPatchCreator multiPatchCreator = new GeneralMultiPatchCreator();
    multiPatchCreator.init(4, 1, false, false, false, 4, materialList);

    //Set up part.

    //Could also use a Ring or a TriangleFan.
    multiPatchCreator.setPatchType(0, esriPatchType.esriPatchTypeTriangleStrip);
    multiPatchCreator.setMaterialIndex(0, 0);
    multiPatchCreator.setPatchPointIndex(0, 0);
    multiPatchCreator.setPatchTexturePointIndex(0, 0);

    //Set real-world points.
    _WKSPointZ upperLeft = new _WKSPointZ();
    _WKSPointZ lowerLeft = new _WKSPointZ();
    _WKSPointZ upperRight = new _WKSPointZ();
    _WKSPointZ lowerRight = new _WKSPointZ();

    upperLeft.x = 0;
    upperLeft.y = 0;
    upperLeft.z = 0;
    upperRight.x = 300;
    upperRight.y = 0;
    upperRight.z = 0;
    lowerLeft.x = 0;
    lowerLeft.y = 0;
    lowerLeft.z =  - 100;
    lowerRight.x = 300;
    lowerRight.y = 1;
    lowerRight.z =  - 100;

    multiPatchCreator.setWKSPointZ(0, upperRight);
    multiPatchCreator.setWKSPointZ(1, lowerRight);
    multiPatchCreator.setWKSPointZ(2, upperLeft);
    multiPatchCreator.setWKSPointZ(3, lowerLeft);

    //Set texture points.
    //Set the texture coordinates for a panel.
    _WKSPoint textureUpperLeft = new _WKSPoint();
    _WKSPoint textureLowerLeft = new _WKSPoint();
    _WKSPoint textureUpperRight = new _WKSPoint();
    _WKSPoint textureLowerRight = new _WKSPoint();

    textureUpperLeft.x = 0;
    textureUpperLeft.y = 0;
    textureUpperRight.x = 1;
    textureUpperRight.y = 0;
    textureLowerLeft.x = 0;
    textureLowerLeft.y = 1;
    textureLowerRight.x = 1;
    textureLowerRight.y = 1;

    multiPatchCreator.setTextureWKSPoint(0, textureUpperRight);
    multiPatchCreator.setTextureWKSPoint(1, textureLowerRight);
    multiPatchCreator.setTextureWKSPoint(2, textureUpperLeft);
    multiPatchCreator.setTextureWKSPoint(3, textureLowerLeft);
    IMultiPatch multiPatch = (IMultiPatch)multiPatchCreator.createMultiPatch();

    return multiPatch;
}