Как в PictureBox вывести картинку с прозрачным фоном?

Есть картинка в файле ресурса, необходимо отобразить ее в PictureBox таким образом, чтобы определенный цвет (в моем примере vbMagenta) был прозрачным. Как это можно сделать?

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Как нарисовать прозрачную картинку Top

Option Explicit

Public 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
Public Declare Function SetBkColor Lib 'gdi32' (ByVal hdc As Long, ByVal crColor As Long) As Long
Public Declare Function CreateCompatibleDC Lib 'gdi32' (ByVal hdc As Long) As Long
Public Declare Function DeleteDC Lib 'gdi32' (ByVal hdc As Long) As Long
Public Declare Function CreateCompatibleBitmap Lib 'gdi32' (ByVal hdc As Long, ByVal nWidth As Long, ByVal nHeight As Long) As Long
Public Declare Function SelectObject Lib 'gdi32' (ByVal hdc As Long, ByVal hObject As Long) As Long
Public Declare Function DeleteObject Lib 'gdi32' (ByVal hObject As Long) As Long
Public Declare Function GetDC Lib 'user32' (ByVal hwnd As Long) As Long
Public Declare Function GetBkColor Lib 'gdi32' (ByVal hdc As Long) As Long
Public Declare Function GetTextColor Lib 'gdi32' (ByVal hdc As Long) As Long
Public Declare Function SetTextColor Lib 'gdi32' (ByVal hdc As Long, ByVal crColor As Long) As Long
Public Declare Function CreateBitmap Lib 'gdi32' (ByVal nWidth As Long, ByVal nHeight As Long, ByVal nPlanes As Long, ByVal nBitCount As Long, lpBits As Any) As Long
Public Declare Function SelectPalette Lib 'gdi32' (ByVal hdc As Long, ByVal hPalette As Long, ByVal bForceBackground As Long) As Long
Public Declare Function RealizePalette Lib 'gdi32' (ByVal hdc As Long) As Long
Public Declare Function ReleaseDC Lib 'user32' (ByVal hwnd As Long, ByVal hdc As Long) As Long
Public Declare Function CreateHalftonePalette Lib 'gdi32' (ByVal hdc As Long) As Long
Public Declare Function OleTranslateColor Lib 'oleaut32.dll' (ByVal lOleColor As Long, ByVal lHPalette As Long, lColorRef As Long) As Long

'Raster Operation Codes
Public Const DSna = &H220326 '0x00220326

Public Sub PaintTransparentDC(ByVal hdcDest As Long, _
ByVal xDest As Long, _
ByVal yDest As Long, _
ByVal Width As Long, _
ByVal Height As Long, _
ByVal hdcSrc As Long, _
ByVal xSrc As Long, _
ByVal ySrc As Long, _
ByVal clrMask As OLE_COLOR, _
Optional ByVal hPal As Long = 0)
Dim hdcMask As Long 'HDC для изображения маски
Dim hdcColor As Long 'HDC для цветного изображения
Dim hbmMask As Long 'Дескриптор маски
Dim hbmColor As Long 'Дескриптор цветного изображения
Dim hbmColorOld As Long
Dim hbmMaskOld As Long
Dim hPalOld As Long
Dim hdcScreen As Long
Dim hdcScnBuffer As Long 'Основной буфер
Dim hbmScnBuffer As Long
Dim hbmScnBufferOld As Long
Dim hPalBufferOld As Long
Dim lMaskColor As Long

Dim m_hpalHalftone As Long 'Halftone-палитра, используется по умолчанию

hdcScreen = GetDC(0&)
m_hpalHalftone = CreateHalftonePalette(hdcScreen)
'Проверяем палитру
If hPal = 0 Then
hPal = m_hpalHalftone
End If
OleTranslateColor clrMask, hPal, lMaskColor

'Создаем в памяти цветную битмапу и копируем в нее содержимое Destination
'Все операции будут производится име