Create a Transparent Menu

void DrawBox(LPDIRECT3DDEVICE9 pDevice, int x, int y, int w, int h, D3DCOLOR col)
{
	struct {
		float x,y,z,rhw;
		DWORD dwColor;
	        } qV[4] = { { (float)x    , (float)(y+h), 0.0f, 0.0f, col},
				{ (float)x    , (float)y    , 0.0f, 0.0f, col},
				{ (float)(x+w), (float)(y+h), 0.0f, 0.0f, col},
				{ (float)(x+w), (float)y    , 0.0f, 0.0f, col} };

    pDevice->SetPixelShader(NULL);
    pDevice->SetRenderState(D3DRS_ALPHABLENDENABLE,true);
    pDevice->SetRenderState(D3DRS_DESTBLEND,D3DBLEND_INVSRCALPHA);
    pDevice->SetTexture(0, NULL);
    pDevice->DrawPrimitiveUP(D3DPT_TRIANGLESTRIP,2,qV,sizeof(qV[0]));
}