Option Compare Database
Option Explicit
'Questo Modulo permette di Modificare la Risoluzione Video
'e Ripristinarla come Originale.
Private Declare Function EnumDisplaySettings Lib "user32" Alias "EnumDisplaySettingsA" (ByVal lpszDeviceName As Long, ByVal iModeNum As Long, lpDevMode As Any) As Boolean
Private Declare Function ChangeDisplaySettings Lib "user32" Alias "ChangeDisplaySettingsA" (lpDevMode As Any, ByVal dwflags As Long) As Long
Private Const CCDEVICENAME = 32
Private Const CCFORMNAME = 32
Private Const DM_PELSWIDTH = &H80000
Private Const DM_PELSHEIGHT = &H100000
Public Const DISP_CHANGE_SUCCESSFUL = 0
Public Const DISP_CHANGE_RESTART = 1
Public Const ENUM_CURRENT_SETTINGS = -1
Private 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
'Risoluzione Precedente la Forzatura 1024x768
Public HoldX
Public HoldY
Public Function ChangeRes(Optional ByVal X As Single = 1024, Optional ByVal Y As Single = 768, Optional SaveIni As Boolean = False) As Boolean
Dim DevM As DevMode
Dim A As Boolean
Dim I&
Dim B&
ChangeRes = False
DevM.dmFields = DM_PELSWIDTH Or DM_PELSHEIGHT
DevM.dmSize = LenB(DevM)
Call EnumDisplaySettings(0&, ENUM_CURRENT_SETTINGS, DevM)
HoldX = DevM.dmPelsWidth
HoldY = DevM.dmPelsHeight
If HoldX <> X Then
I = 0
Do
A = EnumDisplaySettings(0&, I&, DevM)
I = I + 1
Loop Until (A = False)
DevM.dmFields = DM_PELSWIDTH Or DM_PELSHEIGHT
DevM.dmPelsWidth = X
DevM.dmPelsHeight = Y
ChangeRes = ChangeDisplaySettings(DevM, 1)
ChangeRes = True
End If
End Function
Public Function SetOldRes()
Call ChangeRes(HoldX, HoldY, False)
End Function
Public Function StartUp()
Call ChangeRes("1024", "768", True)
End Function
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