<MeshGeometry3D x:Key="geometry"
Positions="-1,1.2,0, -1,-1.2,0, 3,-1.2,0, 3,1.2,0"
TextureCoordinates="0,0 0,1 1,1 1,0"
TriangleIndices="0 1 2 0 2 3"/>
position后面的一串数字式什么意思?
------解决方案--------------------------------------------------------
http://www.byywee.com/page/M0/S740/740637