SurfaceCaps Structure

// This code example is taken from the 
// Direct3D Mobile Texture Sample of the 
// .NET Compact Framework Samples in the SDK. 

// Called whenever the rendering device is created 
void OnCreateDevice(object sender, EventArgs e)
{
    Pool vertexBufferPool;
    Caps caps;
    Device dev = (Device)sender;

    // Get the device capabilities

    caps = dev.DeviceCaps;

    if (caps.SurfaceCaps.SupportsVidVertexBuffer)
        vertexBufferPool = Pool.VideoMemory;
    else
        vertexBufferPool = Pool.SystemMemory;

    // Now create the vertex buffer.
    vertexBuffer = new VertexBuffer(
        typeof(CustomVertex.PositionNormalTextured), 100, dev,
        Usage.WriteOnly, CustomVertex.PositionNormalTextured.Format,
        vertexBufferPool);
    vertexBuffer.Created += new System.EventHandler(
        this.OnCreateVertexBuffer);
    this.OnCreateVertexBuffer(vertexBuffer, null);
}