CreateAdditionalSwapChain();

im just really confused with this one, ok here we go - im creating a map making program using mfc and D3D im using splitters so i can have four viewports now one of my probs are do i use the d3ddevice8 for one of the viewports and create three additional swap chains with CreateAdditionalSwapChain() for the other three viewports or do i have to create a total of four additional swap chains one for each of view port and a second problem is how do i draw to the additional swap chains with IDirect3DSwapChain8 interface thank for any help