این کد برای تغییر Resulation با کیفیت رنگ و فرکانس Refresh Rate هست که آقا پیمان چند وقت پیش تو سایت قرار داد.
Option Explicit
Private Declare Function EnumDisplaySettingsA Lib "user32.dll" (ByVal lpszDeviceName As String, ByVal iModeNum As Long, lpDevMode As DEVMODE) As Long
Private Declare Function ChangeDisplaySettingsA Lib "user32.dll" (lpDevMode As Any, ByVal dwFlags As Long) As Long
Private Const ENUM_CURRENT_SETTINGS = -1
Private Const CDS_UPDATEREGISTRY = &H1
Private Const CCHDEVICENAME = 32
Private Const CCHFORMNAME = 32
Private Type DEVMODE
dmDeviceName As String * CCHDEVICENAME
dmSpecVersion As Integer
dmDriverVersion As Integer
dmSize As Integer
dmDriverExtra As Integer
dmFields As Long
dmOrientation As Integer
dmPaperSize As Integer
dmPaperLength As Integer
dmPaperWidth As Integer
dmScale As Integer
dmCopies As Integer
dmDefaultSource As Integer
dmPrintQuality As Integer
dmColor As Integer
dmDuplex As Integer
dmYResolution As Integer
dmTTOption As Integer
dmCollate As Integer
dmFormName As String * CCHFORMNAME
dmUnusedPadding As Integer
dmBitsPerPel As Long
dmPelsWidth As Long
dmPelsHeight As Long
dmDisplayFlags As Long
dmDisplayFrequency As Long
End Type
Private Sub SetDisplaySetting(intWidth As Integer, intHeight As Integer, bytBitsPerPel As Byte, bytFrequency As Byte)
Dim dvmDisplay As DEVMODE
dvmDisplay.dmSize = Len(dvmDisplay)
EnumDisplaySettingsA vbNullString, ENUM_CURRENT_SETTINGS, dvmDisplay
dvmDisplay.dmPelsWidth = intWidth
dvmDisplay.dmPelsHeight = intHeight
dvmDisplay.dmBitsPerPel = bytBitsPerPel
dvmDisplay.dmDisplayFrequency = bytFrequency
ChangeDisplaySettingsA dvmDisplay, CDS_UPDATEREGISTRY
End Sub
Private Sub Form_Load()
SetDisplaySetting 1152, 864, 32, 85
End Sub