Vertex(help)

	m_iNumVerts = 4;
	m_iNumFaces = 2;

	// Allocate the Vertex Buffer to store the Verices.
	if ( FAILED( m_pd3dDevice->CreateVertexBuffer( m_iNumVerts * sizeof( VERTEX_XYZ_DIFF_TEX ), 0, D3DFVF_VERTEX_XYZ_DIFF_TEX,
												   D3DPOOL_MANAGED, &m_pVertexBuffer ) ) )
		return FALSE;

	// Lock the Vertex Buffer for modification.
	VERTEX_XYZ_DIFF_TEX *pVert = NULL;
	m_pVertexBuffer->Lock( 0, 0, (BYTE **)&pVert, 0 );
	pVert[0].x = 1.0f;	pVert[0].y = 0.0f;	pVert[0].z = 0.0f;	pVert[0].color = 0xFFFFFFFF;	// Right Bottom.
	pVert[1].x = 1.0f;	pVert[1].y = 0.0f;	pVert[1].z = 1.0f;	pVert[1].color = 0xFFFFFFFF;	// Right Top.
	pVert[2].x = 0.0f;	pVert[2].y = 0.0f;	pVert[2].z = 0.0f;	pVert[2].color = 0xFFFFFFFF;	// Left Bottom.
	pVert[3].x = 0.0f;	pVert[3].y = 0.0f;	pVert[3].z = 1.0f;	pVert[3].color = 0xFFFFFFFF;	// Left Top.
	// Unlock the Vertex Buffer for use.
	m_pVertexBuffer->Unlock();

	// The number of Indices is the total number of faces * 3 (since each face has 3 vertices).
	if ( FAILED( m_pd3dDevice->CreateIndexBuffer( m_iNumFaces * 3 * sizeof(WORD),
												  D3DUSAGE_WRITEONLY, D3DFMT_INDEX16,
												  D3DPOOL_DEFAULT, &m_pIndexBuffer ) ) )
		return FALSE;

	// Lock the Index Buffer for modification.
	WORD *pIndex = NULL;
	m_pIndexBuffer->Lock( 0, 0, (BYTE **)&pIndex, 0 );
	pIndex[0] = 0;
	pIndex[1] = 1;
	pIndex[2] = 2;
	pIndex[3] = 2;
	pIndex[4] = 1;
	pIndex[5] = 3;
	// Unlock the Index Buffer for use.
	m_pIndexBuffer->Unlock();
 

	m_pd3dDevice->SetRenderState( D3DRS_CULLMODE, D3DCULL_NONE );
	m_pd3dDevice->SetVertexShader( D3DFVF_VERTEX_XYZ_DIFF_TEX );
	m_pd3dDevice->SetStreamSource( 0, m_pVertexBuffer, sizeof( VERTEX_XYZ_DIFF_TEX ) );
	m_pd3dDevice->SetIndices( m_pIndexBuffer, 0 );
	m_pd3dDevice->DrawIndexedPrimitive( D3DPT_TRIANGLELIST, 0, m_iNumVerts, 0, m_iNumFaces );