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Dicas
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Visual Basic (Monitores)
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Título da Dica: Retornando o número de cores que o vídeo suporta
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Postada em 19/10/2003 por ^HEAVY-METAL^
Private Declare Function GetDeviceCaps Lib "gdi32" (ByVal hdc As Long, ByVal nIndex As Long) As Long
Private Declare Function GetDC Lib "user32" (ByVal hwnd As Long) As Long
Private Declare Function ReleaseDC Lib "user32" (ByVal hwnd As Long, ByVal hdc As Long) As Long
Private Declare Function GetDesktopWindow Lib "user32" () As Long
Private Const PHYSICALOFFSETX = 112
Private Const PHYSICALOFFSETY = 113
Private Const PLANES = 14
Private Const BITSPIXEL = 12
' Returns the number of colors In the display.
Public Function GetNColors() As Long
Dim hSrcDC As Integer
hSrcDC = GetDC(GetDesktopWindow())
GetNColors = GetDeviceCaps(hSrcDC, PLANES) * 2 ^ GetDeviceCaps(hSrcDC, BITSPIXEL)
Call ReleaseDC(GetDesktopWindow(), hSrcDC)
End Function
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