'Example Name:ChangeDisplaySettingsEx Const CCDEVICENAME = 32 Const CCFORMNAME = 32 Const DM_PELSWIDTH = &H80000 Const DM_PELSHEIGHT = &H100000 Const CDS_TEST = &H4 Private Type DISPLAY_DEVICE cb As Long DeviceName As String * 32 DeviceString As String * 128 StateFlags As Long DeviceID As String * 128 DeviceKey As String * 128 End Type 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 dmICMMethod As Long 'NT 4.0 dmICMIntent As Long 'NT 4.0 dmMediaType As Long 'NT 4.0 dmDitherType As Long 'NT 4.0 dmReserved1 As Long 'NT 4.0 dmReserved2 As Long 'NT 4.0 dmPanningWidth As Long 'Win2000 dmPanningHeight As Long 'Win2000 End Type Private Declare Function ChangeDisplaySettingsEx Lib "user32" Alias "ChangeDisplaySettingsExA" (lpszDeviceName As Any, lpDevMode As Any, ByVal hWnd As Long, ByVal dwFlags As Long, lParam As Any) As Long Private Declare Function EnumDisplayDevices Lib "user32" Alias "EnumDisplayDevicesA" (Unused As Any, ByVal iDevNum As Long, lpDisplayDevice As DISPLAY_DEVICE, ByVal dwFlags As Long) As Boolean Dim OldX As Long, OldY As Long, T As Long Private Sub Form_Load() 'KPD-Team 2000 'URL: http://www.allapi.net/ 'E-Mail: [email protected] Dim DD As DISPLAY_DEVICE, DevM As DEVMODE DD.cb = Len(DD) OldX = Screen.Width / Screen.TwipsPerPixelX OldY = Screen.Height / Screen.TwipsPerPixelY 'First retieve some display info If EnumDisplayDevices(ByVal 0&, 0, DD, ByVal 0&) Then 'and show it Me.AutoRedraw = True Me.Print "Device String:" + Left$(DD.DeviceString, InStr(1, DD.DeviceString, Chr$(0)) - 1) Me.Print "Device Name:" + Left$(DD.DeviceName, InStr(1, DD.DeviceName, Chr$(0)) - 1) Me.Print "Device Key:" + Left$(DD.DeviceKey, InStr(1, DD.DeviceKey, Chr$(0)) - 1) Me.Print "Device ID:" + Left$(DD.DeviceID, InStr(1, DD.DeviceID, Chr$(0)) - 1) Else Me.Print "Error while retrieving Display Information" End If DevM.dmSize = Len(DevM) 'we want to change the horizontal and the vertical resolution DevM.dmFields = DM_PELSWIDTH Or DM_PELSHEIGHT DevM.dmPelsWidth = 640 DevM.dmPelsHeight = 480 'change the display settings Call ChangeDisplaySettingsEx(ByVal 0&, DevM, ByVal 0&, CDS_TEST, ByVal 0&) T = Timer Do: DoEvents: Loop Until Timer > T + 5 DevM.dmPelsWidth = OldX DevM.dmPelsHeight = OldY 'change the display settings back to the old settings Call ChangeDisplaySettingsEx(ByVal 0&, DevM, ByVal 0&, CDS_TEST, ByVal 0&) End Sub
MOd: 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 LongPublic Type DEVMODE dmDeviceName As String * 32 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 * 32 dmUnusedPadding As Integer dmBitsPerPel As Integer dmPelsWidth As Long dmPelsHeight As Long dmDisplayFlags As Long dmDisplayFrequency As Long End TypePublic Const DM_BITSPERPEL = &H40000 Public Const DM_PELSWIDTH = &H80000 Public Const DM_PELSHEIGHT = &H100000 Public Const DM_DISPLAYFREQUENCY = &H400000'关键在于dm.dmFields = DM_PELSWIDTH Or DM_PELSHEIGHT Or DM_BITSPERPEL Or DM_DISPLAYFREQUENCY '加上DM_DISPLAYFREQUENCY后才会改变刷新频率 Public Sub ChangeRes(lngPelsWidth As Long, _ lngPelsHeight As Long, _ intBitsPerPel As Integer, _ lngDisplayFrequency As Long) Dim dm As DEVMODE
dm.dmFields = DM_PELSWIDTH Or _ DM_PELSHEIGHT Or _ DM_BITSPERPEL Or _ DM_DISPLAYFREQUENCY dm.dmPelsWidth = lngPelsWidth dm.dmPelsHeight = lngPelsHeight dm.dmBitsPerPel = intBitsPerPel dm.dmDisplayFrequency = lngDisplayFrequency
Call ChangeDisplaySettings(dm, 1) End SubPublic Function GetSysDisplay()End Function //**************************************** Form1: List1、Command1 code:Option Explicit Dim devM() As DEVMODE Private Sub Command1_Click() Call ChangeRes(1024, 768, 32, 85) End Sub Private Sub Form_Load() Dim HasMore As Long, i As Integer Dim MaxBits As Integer MaxBits = 0 i = 0 Do ReDim Preserve devM(0 To i) HasMore = EnumDisplaySettings(0, i, devM(i)) If HasMore = 0 Then Exit Do
If devM(i).dmBitsPerPel > MaxBits Then MaxBits = devM(i).dmBitsPerPel Debug.Print devM(i).dmBitsPerPel
i = i + 1 Loop
Debug.Print "最大" & MaxBits End Sub
我贴在VB6+win200 professional 下通过 通过的话分全给我吧
Public Const EWX_LOGOFF = 0 Public Const EWX_SHUTDOWN = 1 Public Const EWX_REBOOT = 2 Public Const EWX_FORCE = 4 Public Const CCDEVICENAME = 32 Public Const CCFORMNAME = 32 Public Const DM_BITSPERPEL = &H40000 Public Const DM_PELSWIDTH = &H80000 Public Const DM_PELSHEIGHT = &H100000 Public Const CDS_UPDATEREGISTRY = &H1 Public Const CDS_TEST = &H4 Public Const DISP_CHANGE_SUCCESSFUL = 0 Public Const DISP_CHANGE_RESTART = 1 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 TypePrivate 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 Declare Function ExitWindowsEx Lib "user32" (ByVal uFlags As Long, ByVal dwReserved As Long) As LongPublic Sub ChangeScreenDisplay(LngDmWidth As Long, LndDmHeight As Long) On Error GoTo ErrHandle Dim DevM As DEVMODE '将取得的讯息存放在 DevM Dim erg&, an& erg& = EnumDisplaySettings(0&, 0&, DevM)
DevM.dmFields = DM_PELSWIDTH Or DM_PELSHEIGHT 'Or DM_BITSPERPEL DevM.dmPelsWidth = LngDmWidth '想要设定的屏幕宽度 DevM.dmPelsHeight = LndDmHeight '想要设定的屏幕高度 '我们不更改色板,因为一旦更改色板就必须重新开机! 'DevM.dmBitsPerPel = 32 (could be 8, 16, 32 or even 4) '此行可用于改变色板'以下这行指令会暂时更改屏幕的分辨率,是测试性的,不一定成功, '不过因为没将设定值写到注册表,所以虽然可能更改成功, '但是一旦重新开机后,会自动恢复成更改前的设定值 erg& = ChangeDisplaySettings(DevM, CDS_TEST)'上面的指令若成功,而且您想永久性的更改使用者的屏幕分辨率, '您还必须使用下一行指令,将资料写到注册表 'erg& = ChangeDisplaySettings(DevM, CDS_UPDATEREGISTRY) '但是如果您只是想暂时更改使用者的屏幕分辨率,就不需要了.'当然并不是您随便设定一个值,就一定会成功的更改屏幕分辨率, '所以还需要检查是否更改成功!下面的程序就是检查是否更改成功 Select Case erg& Case DISP_CHANGE_RESTART '通常如果有更改到色板,或者较老的板子,会要求重新开机 an& = Msgbox("您必须重新开机!", vbYesNo + vbSystemModal, "讯息") If an& = vbYes Then erg& = ExitWindowsEx(EWX_REBOOT, 0&) End If Case DISP_CHANGE_SUCCESSFUL '如果更改成功且不需重新开机,您就可以将设定值写到注册表中 erg& = ChangeDisplaySettings(DevM, CDS_UPDATEREGISTRY) Msgbox "分辨率更改成功!", vbOKOnly + vbSystemModal, "成功!" Case Else '更改不成功 Msgbox "不支持此一模式!", vbOKOnly + vbSystemModal, "错误!" End Select Exit Sub ErrHandle: Msgbox Err.Description End Sub 2000 Server 下测试通过
Const CCDEVICENAME = 32
Const CCFORMNAME = 32
Const DM_PELSWIDTH = &H80000
Const DM_PELSHEIGHT = &H100000
Const CDS_TEST = &H4
Private Type DISPLAY_DEVICE
cb As Long
DeviceName As String * 32
DeviceString As String * 128
StateFlags As Long
DeviceID As String * 128
DeviceKey As String * 128
End Type
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
dmICMMethod As Long 'NT 4.0
dmICMIntent As Long 'NT 4.0
dmMediaType As Long 'NT 4.0
dmDitherType As Long 'NT 4.0
dmReserved1 As Long 'NT 4.0
dmReserved2 As Long 'NT 4.0
dmPanningWidth As Long 'Win2000
dmPanningHeight As Long 'Win2000
End Type
Private Declare Function ChangeDisplaySettingsEx Lib "user32" Alias "ChangeDisplaySettingsExA" (lpszDeviceName As Any, lpDevMode As Any, ByVal hWnd As Long, ByVal dwFlags As Long, lParam As Any) As Long
Private Declare Function EnumDisplayDevices Lib "user32" Alias "EnumDisplayDevicesA" (Unused As Any, ByVal iDevNum As Long, lpDisplayDevice As DISPLAY_DEVICE, ByVal dwFlags As Long) As Boolean
Dim OldX As Long, OldY As Long, T As Long
Private Sub Form_Load()
'KPD-Team 2000
'URL: http://www.allapi.net/
'E-Mail: [email protected]
Dim DD As DISPLAY_DEVICE, DevM As DEVMODE
DD.cb = Len(DD)
OldX = Screen.Width / Screen.TwipsPerPixelX
OldY = Screen.Height / Screen.TwipsPerPixelY
'First retieve some display info
If EnumDisplayDevices(ByVal 0&, 0, DD, ByVal 0&) Then
'and show it
Me.AutoRedraw = True
Me.Print "Device String:" + Left$(DD.DeviceString, InStr(1, DD.DeviceString, Chr$(0)) - 1)
Me.Print "Device Name:" + Left$(DD.DeviceName, InStr(1, DD.DeviceName, Chr$(0)) - 1)
Me.Print "Device Key:" + Left$(DD.DeviceKey, InStr(1, DD.DeviceKey, Chr$(0)) - 1)
Me.Print "Device ID:" + Left$(DD.DeviceID, InStr(1, DD.DeviceID, Chr$(0)) - 1)
Else
Me.Print "Error while retrieving Display Information"
End If
DevM.dmSize = Len(DevM)
'we want to change the horizontal and the vertical resolution
DevM.dmFields = DM_PELSWIDTH Or DM_PELSHEIGHT
DevM.dmPelsWidth = 640
DevM.dmPelsHeight = 480
'change the display settings
Call ChangeDisplaySettingsEx(ByVal 0&, DevM, ByVal 0&, CDS_TEST, ByVal 0&)
T = Timer
Do: DoEvents: Loop Until Timer > T + 5
DevM.dmPelsWidth = OldX
DevM.dmPelsHeight = OldY
'change the display settings back to the old settings
Call ChangeDisplaySettingsEx(ByVal 0&, DevM, ByVal 0&, CDS_TEST, ByVal 0&)
End Sub
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 LongPublic Type DEVMODE
dmDeviceName As String * 32
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 * 32
dmUnusedPadding As Integer
dmBitsPerPel As Integer
dmPelsWidth As Long
dmPelsHeight As Long
dmDisplayFlags As Long
dmDisplayFrequency As Long
End TypePublic Const DM_BITSPERPEL = &H40000
Public Const DM_PELSWIDTH = &H80000
Public Const DM_PELSHEIGHT = &H100000
Public Const DM_DISPLAYFREQUENCY = &H400000'关键在于dm.dmFields = DM_PELSWIDTH Or DM_PELSHEIGHT Or DM_BITSPERPEL Or DM_DISPLAYFREQUENCY
'加上DM_DISPLAYFREQUENCY后才会改变刷新频率
Public Sub ChangeRes(lngPelsWidth As Long, _
lngPelsHeight As Long, _
intBitsPerPel As Integer, _
lngDisplayFrequency As Long)
Dim dm As DEVMODE
Call EnumDisplaySettings(0&, -1, dm)
Debug.Print "刷新频率:" & dm.dmDisplayFrequency
dm.dmFields = DM_PELSWIDTH Or _
DM_PELSHEIGHT Or _
DM_BITSPERPEL Or _
DM_DISPLAYFREQUENCY
dm.dmPelsWidth = lngPelsWidth
dm.dmPelsHeight = lngPelsHeight
dm.dmBitsPerPel = intBitsPerPel
dm.dmDisplayFrequency = lngDisplayFrequency
Call ChangeDisplaySettings(dm, 1)
End SubPublic Function GetSysDisplay()End Function
//****************************************
Form1:
List1、Command1
code:Option Explicit
Dim devM() As DEVMODE
Private Sub Command1_Click()
Call ChangeRes(1024, 768, 32, 85)
End Sub
Private Sub Form_Load()
Dim HasMore As Long, i As Integer
Dim MaxBits As Integer
MaxBits = 0
i = 0
Do
ReDim Preserve devM(0 To i)
HasMore = EnumDisplaySettings(0, i, devM(i))
If HasMore = 0 Then Exit Do
If devM(i).dmBitsPerPel > MaxBits Then MaxBits = devM(i).dmBitsPerPel
Debug.Print devM(i).dmBitsPerPel
i = i + 1
Loop
Debug.Print "最大" & MaxBits
End Sub
通过的话分全给我吧
Public Const EWX_SHUTDOWN = 1
Public Const EWX_REBOOT = 2
Public Const EWX_FORCE = 4
Public Const CCDEVICENAME = 32
Public Const CCFORMNAME = 32
Public Const DM_BITSPERPEL = &H40000
Public Const DM_PELSWIDTH = &H80000
Public Const DM_PELSHEIGHT = &H100000
Public Const CDS_UPDATEREGISTRY = &H1
Public Const CDS_TEST = &H4
Public Const DISP_CHANGE_SUCCESSFUL = 0
Public Const DISP_CHANGE_RESTART = 1
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 TypePrivate 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 Declare Function ExitWindowsEx Lib "user32" (ByVal uFlags As Long, ByVal dwReserved As Long) As LongPublic Sub ChangeScreenDisplay(LngDmWidth As Long, LndDmHeight As Long)
On Error GoTo ErrHandle
Dim DevM As DEVMODE '将取得的讯息存放在 DevM
Dim erg&, an&
erg& = EnumDisplaySettings(0&, 0&, DevM)
DevM.dmFields = DM_PELSWIDTH Or DM_PELSHEIGHT 'Or DM_BITSPERPEL
DevM.dmPelsWidth = LngDmWidth '想要设定的屏幕宽度
DevM.dmPelsHeight = LndDmHeight '想要设定的屏幕高度
'我们不更改色板,因为一旦更改色板就必须重新开机!
'DevM.dmBitsPerPel = 32 (could be 8, 16, 32 or even 4) '此行可用于改变色板'以下这行指令会暂时更改屏幕的分辨率,是测试性的,不一定成功,
'不过因为没将设定值写到注册表,所以虽然可能更改成功,
'但是一旦重新开机后,会自动恢复成更改前的设定值
erg& = ChangeDisplaySettings(DevM, CDS_TEST)'上面的指令若成功,而且您想永久性的更改使用者的屏幕分辨率,
'您还必须使用下一行指令,将资料写到注册表
'erg& = ChangeDisplaySettings(DevM, CDS_UPDATEREGISTRY)
'但是如果您只是想暂时更改使用者的屏幕分辨率,就不需要了.'当然并不是您随便设定一个值,就一定会成功的更改屏幕分辨率,
'所以还需要检查是否更改成功!下面的程序就是检查是否更改成功
Select Case erg&
Case DISP_CHANGE_RESTART
'通常如果有更改到色板,或者较老的板子,会要求重新开机
an& = Msgbox("您必须重新开机!", vbYesNo + vbSystemModal, "讯息")
If an& = vbYes Then
erg& = ExitWindowsEx(EWX_REBOOT, 0&)
End If
Case DISP_CHANGE_SUCCESSFUL
'如果更改成功且不需重新开机,您就可以将设定值写到注册表中
erg& = ChangeDisplaySettings(DevM, CDS_UPDATEREGISTRY)
Msgbox "分辨率更改成功!", vbOKOnly + vbSystemModal, "成功!"
Case Else
'更改不成功
Msgbox "不支持此一模式!", vbOKOnly + vbSystemModal, "错误!"
End Select
Exit Sub
ErrHandle:
Msgbox Err.Description
End Sub
2000 Server 下测试通过