用DirectX8.0绘制简单物体--三角形。 使用顶点索引技术，比顶点缓冲更节约资源。-Draw a simple object with DirectX8.0- triangle. The use of vertex indexing technology, more economical than the vertex buffer resource.

this sample for DirectX basic DrawPrimitive

使用DrawPrimitive()绘制的线没法控制其线性和绘制虚线，为此DirectX3D提供了ID3DXLine接口用来绘制线。-Use DrawPrimitive () to draw a line drawing can not control its linear and dotted lines, for DirectX3D provides ID3DXLine interface is used to draw the line.

基于Direct3D 9.0，对Direct3D中基础图元进行绘制。通过按键1,2,3,4,5绘制不同的图元并且改变着色模式。-Based on Direct3D 9.0 eginners, the direct3D foundation drawing primitives, through draw different figure 1, 2, 3, 4, 5, etc of the keyboard and change the color mode.