Introduce este código en un módulo y echalé un vistazo...
Saludos.
Option Explicit
Option Base 0
Private Type PALETTEENTRY
peRed As Byte
peGreen As Byte
peBlue As Byte
peFlags As Byte
End Type
Private Type LOGPALETTE
palVersion As Integer
palNumEntries As Integer
palPalEntry(255) As PALETTEENTRY ´ Enough for 256 colors.
End Type
Private Type GUID
Data1 As Long
Data2 As Integer
Data3 As Integer
Data4(7) As Byte
End Type
Private Const RASTERCAPS As Long = 38
Private Const RC_PALETTE As Long = &H100
Private Const SIZEPALETTE As Long = 104
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 CreateCompatibleBitmap Lib "gdi32" ( _
ByVal hdc As Long, ByVal nWidth As Long, _
ByVal nHeight As Long) As Long
Private Declare Function GetDeviceCaps Lib "gdi32" ( _
ByVal hdc As Long, ByVal iCapabilitiy As Long) As Long
Private Declare Function GetSystemPaletteEntries Lib "gdi32" ( _
ByVal hdc As Long, ByVal wStartIndex As Long, _
ByVal wNumEntries As Long, lpPaletteEntries As PALETTEENTRY) _
As Long
Private Declare Function CreatePalette Lib "gdi32" ( _
lpLogPalette As LOGPALETTE) As Long
´ Private Declare Function SelectObject Lib "gdi32" ( _
´ ByVal hdc As Lo
