screen.frequency = 100

Мнда, жалко что так нельзя...

Приходится всякие директы юзать

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Тут должно быть про частоту:

Option Explicit
Const WM_DISPLAYCHANGE = &H7E
Const HWND_BROADCAST = &HFFFF&
Const EWX_LOGOFF = 0
Const EWX_SHUTDOWN = 1
Const EWX_REBOOT = 2
Const EWX_FORCE = 4
Const CCDEVICENAME = 32
Const CCFORMNAME = 32
Const DM_BITSPERPEL = &H40000
Const DM_PELSWIDTH = &H80000
Const DM_PELSHEIGHT = &H100000
Const DM_DISPLAYFREQUENCY = &H400000
Const CDS_UPDATEREGISTRY = &H1
Const CDS_TEST = &H4
Const DISP_CHANGE_SUCCESSFUL = 0
Const DISP_CHANGE_RESTART = 1
Const HORZRES = 8
Const VERTRES = 10
Const BITSPIXEL = 12
Const FREQUENCY = 116
Public Type DEVMODE
dmDeviceName As String * CCDEVICENAME
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 * CCFORMNAME
dmUnusedPadding As Integer
dmBitsPerPel As Integer
dmPelsWidth As Long
dmPelsHeight As Long
dmDisplayFlags As Long
dmDisplayFrequency As Long
End Type
Public wid As Long
Public hei As Long
Public dep As Long
Public fr As Long
Public ofr As Long
Declare Function GetDeviceCaps Lib "gdi32" (ByVal hDC As Long, ByVal nIndex As Long) As Long
Declare Function GetDesktopWindow Lib "user32" () As Long
Declare Function GetDC Lib "user32" (ByVal hwnd As Long) As Long
Declare Function ReleaseDC Lib "user32" (ByVal hwnd As Long, ByVal hDC As Long) As Long
Public Declare Function EnumDisplaySettings Lib "user32" Alias "EnumDisplaySettingsA" (ByVal lpszDeviceName As Long,
ByVal iModeNum As Long, lpDevMode As Any) As Boolean
Public Declare Function ChangeDisplaySettings Lib "user32" Alias "ChangeDisplaySettingsA" (lpDevMode As Any, ByVal
dwFlags As Long) As Long
Public Declare Function ExitWindowsEx Lib "user32" (ByVal uFlags As Long, ByVal dwReserved As Long) As Long
Public Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long,
ByVal wParam As Long, lParam As Any) As Long
Public Sub changeres(X As Long, Y As Long, Bits As Long, freq As Long)
Dim DevM As DEVMODE, ScInfo As Long, erg As Long, an As VbMsgBoxResult
'Get the info into DevM
erg = EnumDisplaySettings(0&, 0&, DevM)
'This is what we're going to change
DevM.dmFields = DM_PELSWIDTH Or DM_PELSHEIGHT Or DM_BITSPERPEL Or DM_DISPLAYFREQUENCY
DevM.dmPelsWidth = X 'ScreenWidth
DevM.dmPelsHeight = Y 'ScreenHeight
DevM.dmBitsPerPel = Bits '(can be 8, 16, 24, 32 or even 4)
DevM.dmDisplayFrequency = freq ' Display frequency
'Now change the display and check if possible
erg = ChangeDisplaySettings(DevM, CDS_TEST)
'Check if succesfull
Select Case erg&
Case DISP_CHANGE_RESTART
an = MsgBox("Need restart", vbYesNo + vbSystemModal, "Info")
If an = vbYes Then
erg& = ExitWindowsEx(EWX_REBOOT, 0&
End If
Case DISP_CHANGE_SUCCESSFUL
erg = ChangeDisplaySettings(DevM, CDS_UPDATEREGISTRY)
ScInfo = Y * 2 ^ 16 + X
SendMessage HWND_BROADCAST, WM_DISPLAYCHANGE, ByVal Bits, ByVal ScInfo
Case Else
MsgBox "This mode doesn't support.", vbOKOnly + vbSystemModal, "Error"
End Select
End Sub

Public Sub GetVideoMode(ByRef Width As Long, ByRef Height As Long, ByRef Depth As Long, ByRef freq As Long)
Dim hDC As Long
hDC = GetDC(GetDesktopWindow())
Width = GetDeviceCaps(hDC, HORZRES)
Height = GetDeviceCaps(hDC, VERTRES)
Depth = GetDeviceCaps(hDC, BITSPIXEL)
freq = GetDeviceCaps(hDC, FREQUENCY)
ReleaseDC GetDesktopWindow(), hDC
End Sub

'--------------------------------------
'GetVideoMode - получить текущее разрешение, глубину цвета и частоту
'changeres - изменить

'использование:
'getvideomode w,h,d,f 'где w,h,d,f - заранее объявленные переменные типа long, в которые будут помещены значения
текущей ширины, высоты, глубины цвета, частоты соответственно
'changeres x, y, Bits, freq
'x - высота; y - ширина
'Bits - глубина цвета; freq - частота
'пример:

dim w as long
dim h as long
dim d as long
dim f as long
getvideomode w,h,d,f
changeres 1024, 768, 32, 85

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