Transprate frame project

add the modeul
Private Type BITMAPINFOHEADER
biSize As Long
biWidth As Long
biHeight As Long
biPlanes As Integer
biBitCount As Integer
biCompression As Long
biSizeImage As Long
biXPelsPerMeter As Long
biYPelsPerMeter As Long
biClrUsed As Long
biClrImportant As Long
End Type

Private Type RGBQUAD
rgbBlue As Byte
rgbGreen As Byte
rgbRed As Byte
rgbReserved As Byte
End Type

Private Type BITMAPINFO
bmiHeader As BITMAPINFOHEADER
bmiColors As RGBQUAD
End Type

Private Type RECT
Left As Long
Top As Long
Right As Long
Bottom As Long
End Type

Private Declare Function CreateCompatibleDC Lib "gdi32" (ByVal hDC As Long) As Long
Private Declare Function CreateDIBSection Lib "gdi32" (ByVal hDC As Long, pBitmapInfo As BITMAPINFO, ByVal un As Long, ByVal lplpVoid As Long, ByVal handle As Long, ByVal dw As Long) As Long
Private Declare Function SelectObject Lib "gdi32" (ByVal hDC As Long, ByVal hObject As Long) As Long
Private Declare Function BitBlt Lib "gdi32" (ByVal hDestDC As Long, ByVal x As Long, ByVal y As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal hSrcDC As Long, ByVal xSrc As Long, ByVal ySrc As Long, ByVal dwRop As Long) As Long
Private Declare Function GetDIBits Lib "gdi32" (ByVal aHDC As Long, ByVal hBitmap As Long, ByVal nStartScan As Long, ByVal nNumScans As Long, lpBits As Any, lpBI As BITMAPINFO, ByVal wUsage As Long) As Long
Private Declare Function DeleteDC Lib "gdi32" (ByVal hDC As Long) As Long
Private Declare Function OleTranslateColor Lib "olepro32.dll" (ByVal OLE_COLOR As Long, ByVal hPalette As Long, pccolorref As Long) As Long
Private Declare Function CreateRectRgn Lib "gdi32" (ByVal X1 As Long, ByVal Y1 As Long, ByVal X2 As Long, ByVal Y2 As Long) As Long
Private Declare Function CombineRgn Lib "gdi32" (ByVal hDestRgn As Long, ByVal hSrcRgn1 As Long, ByVal hSrcRgn2 As Long, ByVal nCombineMode As Long) As Long
Private Declare Function DeleteObject Lib "gdi32" (ByVal hObject As Long) As Long
Private Declare Function GetDC Lib "user32" (ByVal hwnd As Long) As Long
Private Declare Function SetWindowRgn Lib "user32" (ByVal hwnd As Long, ByVal hRgn As Long, ByVal bRedraw As Boolean) As Long
Private Declare Function GetWindowRect Lib "user32" (ByVal hwnd As Long, lpRect As RECT) As Long
Private Declare Function GetBkColor Lib "gdi32" (ByVal hDC As Long) As Long
Private Declare Function RedrawWindow Lib "user32" (ByVal hwnd As Long, lprcUpdate As Any, ByVal hrgnUpdate As Long, ByVal fuRedraw As Long) As Long


Private Const BI_RGB As Long = 0&
Private Const RGN_OR As Long = 2&
Private Const DIB_RGB_COLORS As Long = 0&
Private Const RDW_INVALIDATE As Long = &H1

Public Function DoIT(objSource As Object) As Boolean
Dim lngRegion As Long
Dim lngBackColor As Long
Dim lngHeight As Long
Dim lngWidth As Long
Dim lnghWnd As Long
Dim rcRect As RECT

On Local Error Resume Next
If objSource.hwnd = 0 Or objSource.BackColor = 0 Then 'trap if object hasnt .backcolor or .hwnd
DoIT = False
Exit Function
End If
If Err.Number = 438 Then 'Object doesnt allow .backcolor or .hwnd!
DoIT = False
Exit Function
End If

lnghWnd = objSource.hwnd

Call GetWindowRect(lnghWnd, rcRect) 'get rect of object

lngHeight = rcRect.Bottom - rcRect.Top 'height
lngWidth = rcRect.Right - rcRect.Left 'width

If lngHeight > 0 Or lngWidth > 0 Then
Call OleTranslateColor(objSource.BackColor, 0, lngBackColor) 'translate color
lngRegion = RegionFromBitmap(lnghWnd, lngHeight, lngWidth, lngBackColor) 'create region
If lngRegion = 0 Then
DoIT = False
Else
If SetWindowRgn(lnghWnd, lngRegion, True) = 1 Then 'set new region
If RedrawWindow(lnghWnd, ByVal 0&, ByVal 0&, RDW_INVALIDATE) = 0 Then
DoIT = False
Else
DoIT = True
End If
Else
DoIT = False
End If
End If
DeleteObject lngRegion 'delete region to free some memory
Else
DoIT = False
End If
End Function

Private Function RegionFromBitmap(ByVal lnghWnd As Long, ByVal lngH As Long, ByVal lngW As Long, ByVal lngTransColor As Long) As Long
Dim lngRetr As Long, lngHeight As Long, lngWidth As Long
Dim lngRgnFinal As Long, lngRgnTmp As Long
Dim lngStart As Long
Dim x As Long, y As Long
Dim hDC As Long

Dim bi24BitInfo As BITMAPINFO
Dim iBitmap As Long
Dim BWidth As Long
Dim BHeight As Long
Dim iDC As Long
Dim PicBits() As Byte
Dim Col As Long

hDC = GetDC(lnghWnd)

lngWidth = lngW '- 1
lngHeight = lngH - 1

BWidth = (lngW \ 4) * 4 + 4
BHeight = lngH

'Bitmap-Header
With bi24BitInfo.bmiHeader
.biBitCount = 24
.biCompression = BI_RGB
.biPlanes = 1
.biSize = Len(bi24BitInfo.bmiHeader)
.biWidth = BWidth
.biHeight = BHeight + 1
End With

ReDim PicBits(0 To bi24BitInfo.bmiHeader.biWidth * 3 - 1, 0 To bi24BitInfo.bmiHeader.biHeight - 1)

iDC = CreateCompatibleDC(hDC)
iBitmap = CreateDIBSection(iDC, bi24BitInfo, DIB_RGB_COLORS, ByVal 0&, ByVal 0&, ByVal 0&)
Call SelectObject(iDC, iBitmap)
Call BitBlt(iDC, 0, 0, bi24BitInfo.bmiHeader.biWidth, bi24BitInfo.bmiHeader.biHeight, hDC, 0, 0, vbSrcCopy)
Call GetDIBits(hDC, iBitmap, 0, bi24BitInfo.bmiHeader.biHeight, PicBits(0, 0), bi24BitInfo, DIB_RGB_COLORS)

'DIB-DC
Call DeleteDC(iDC)
'Bitmap
Call DeleteObject(iBitmap)

lngRgnFinal = CreateRectRgn(0, 0, 0, 0)
For y = 0 To lngHeight
x = 0
Do While x < lngWidth
Do While x < lngWidth And _
RGB(PicBits(x * 3 + 2, lngHeight - y + 1), _
PicBits(x * 3 + 1, lngHeight - y + 1), _
PicBits(x * 3, lngHeight - y + 1) _
) = lngTransColor

x = x + 1
Loop
If x <= lngWidth Then
lngStart = x
Do While x < lngWidth And _
RGB(PicBits(x * 3 + 2, lngHeight - y + 1), _
PicBits(x * 3 + 1, lngHeight - y + 1), _
PicBits(x * 3, lngHeight - y + 1) _
) <> lngTransColor
x = x + 1
Loop
If x + 1 > lngWidth Then x = lngWidth
lngRgnTmp = CreateRectRgn(lngStart, y, x, y + 1)
lngRetr = CombineRgn(lngRgnFinal, lngRgnFinal, lngRgnTmp, RGN_OR)
DeleteObject lngRgnTmp
End If
Loop
Next

RegionFromBitmap = lngRgnFinal
End Function



now put this code in form load

Private Sub Form_Load()
Dim objT As clsTrans
Set objT = New clsTrans
Me.Show
DoEvents

'Draw a frame 'Frame1' and set its Backcolor as &H00FF00FF&
objT.DoIT Frame1

Set objT = Nothing
End Sub