Option Explicit Public Declare Function EnumDisplaySettings Lib "user32" Alias _ "EnumDisplaySettingsA" (ByVal lpszDeviceName As Long, _ ByVal iModeNum As Long, lpDevMode As Any) As LongPublic 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 LongPrivate Const EWX_REBOOT = 2 ' 重开机 Private Const CCDEVICENAME = 32 Private Const CCFORMNAME = 32 Private Const DM_PELSWIDTH = &H80000 Private Const DM_PELSHEIGHT = &H100000Private Const DISP_CHANGE_SUCCESSFUL = 0 Private Const DISP_CHANGE_RESTART = 1 Private Const CDS_UPDATEREGISTRY = 1Private 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 Private DevM As DEVMODE Public Sub SetScreenOk() Dim i As Long Dim b As Long Dim ans As Long Dim a As Long Dim x, y As Long x = Screen.Width \ Screen.TwipsPerPixelX y = Screen.Height \ Screen.TwipsPerPixelY
a = EnumDisplaySettings(0, 0, DevM) 'Initial Setting DevM.dmFields = DM_PELSWIDTH Or DM_PELSHEIGHT DevM.dmPelsWidth = 1024 '设定成想要的分辨率 DevM.dmPelsHeight = 768 b = ChangeDisplaySettings(DevM, 0) 'Changed Only this time End Sub
Public Declare Function EnumDisplaySettings Lib "user32" Alias _
"EnumDisplaySettingsA" (ByVal lpszDeviceName As Long, _
ByVal iModeNum As Long, lpDevMode As Any) As LongPublic 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 LongPrivate Const EWX_REBOOT = 2 ' 重开机
Private Const CCDEVICENAME = 32
Private Const CCFORMNAME = 32
Private Const DM_PELSWIDTH = &H80000
Private Const DM_PELSHEIGHT = &H100000Private Const DISP_CHANGE_SUCCESSFUL = 0
Private Const DISP_CHANGE_RESTART = 1
Private Const CDS_UPDATEREGISTRY = 1Private 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
Private DevM As DEVMODE
Public Sub SetScreenOk()
Dim i As Long
Dim b As Long
Dim ans As Long
Dim a As Long
Dim x, y As Long
x = Screen.Width \ Screen.TwipsPerPixelX
y = Screen.Height \ Screen.TwipsPerPixelY
a = EnumDisplaySettings(0, 0, DevM) 'Initial Setting DevM.dmFields = DM_PELSWIDTH Or DM_PELSHEIGHT
DevM.dmPelsWidth = 1024 '设定成想要的分辨率
DevM.dmPelsHeight = 768
b = ChangeDisplaySettings(DevM, 0) 'Changed Only this time
End Sub