VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   5250
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   6300
   LinkTopic       =   "Form1"
   ScaleHeight     =   5250
   ScaleWidth      =   6300
   StartUpPosition =   3  'Windows Default
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim bRunning As Boolean

Private Type CUSTOMVERTEX
    x As Single         'x in screen space.
    y As Single         'y in screen space.
    z As Single         'normalized z.
    rhw As Single       'normalized z rhw.
    color As Long       'vertex color.
End Type

Private Sub Form_Click()
    bRunning = False
End Sub

Private Sub Form_Load()

    Dim Dx As DirectX8
    Dim D3D As Direct3D8
    Dim D3DDevice As Direct3DDevice8
    Dim DispMode As D3DDISPLAYMODE
    Dim D3DWindow As D3DPRESENT_PARAMETERS
    
    Dim Triangle(0 To 2) As CUSTOMVERTEX
    
    Set Dx = New DirectX8
    Set D3D = Dx.Direct3DCreate()

    DispMode.Format = D3DFMT_X8R8G8B8
    DispMode.Width = 640
    DispMode.Height = 480
    
    D3DWindow.SwapEffect = D3DSWAPEFFECT_FLIP
    D3DWindow.BackBufferCount = 1 '//1 backbuffer only
    D3DWindow.BackBufferFormat = DispMode.Format 'What we specified earlier
    D3DWindow.BackBufferWidth = 640
    D3DWindow.BackBufferHeight = 480
    D3DWindow.hDeviceWindow = hWnd

    Set D3DDevice = D3D.CreateDevice(D3DADAPTER_DEFAULT, _
                         D3DDEVTYPE_HAL, hWnd, _
                         D3DCREATE_SOFTWARE_VERTEXPROCESSING, _
                         D3DWindow)
    
    D3DDevice.SetVertexShader D3DFVF_XYZRHW Or D3DFVF_DIFFUSE
    D3DDevice.SetRenderState D3DRS_LIGHTING, False
    
    Me.Show
    
    Triangle(0).x = 0
    Triangle(0).y = 0
    Triangle(0).z = 0
    Triangle(0).rhw = 1
    Triangle(0).color = &HFF0000

    Triangle(1).x = 100
    Triangle(1).y = 0
    Triangle(1).z = 0
    Triangle(1).rhw = 1
    Triangle(1).color = &HFF0000

    Triangle(2).x = 0
    Triangle(2).y = 100
    Triangle(2).z = 0
    Triangle(2).rhw = 1
    Triangle(2).color = &HFF0000

    
    bRunning = True
    
    Do While bRunning
        D3DDevice.Clear 0, ByVal 0, _
                    D3DCLEAR_TARGET, _
                    &HCCCCFF, 1#, 0
        
        D3DDevice.BeginScene

        D3DDevice.DrawPrimitiveUP D3DPT_TRIANGLELIST, 1, _
                    Triangle(0), Len(Triangle(0))
        
        D3DDevice.EndScene
    
        D3DDevice.Present ByVal 0, ByVal 0, 0, ByVal 0
        
        DoEvents
    Loop

    Set D3DDevice = Nothing
    Set D3D = Nothing
    Set Dx = Nothing

    Unload Me
End Sub