一个窗体 两个按钮
按按钮1：把分辨率转换成1152*864
按按钮2：把分辨率转换成1280*1024
我要vb源代码。
谢谢。
模块 :
Declare Function EnumDisplaySettings Lib "user32" Alias "EnumDisplaySettingsA" (ByVal lpszDeviceName As Long, ByVal iModeNum As Long, lpDevMode As Any) As Boolean
Declare Function ChangeDisplaySettings Lib "user32" Alias "ChangeDisplaySettingsA" (lpDevMode As Any, ByVal dwFlags As Long) As Long
Declare Function ExitWindowsEx Lib "user32" (ByVal uFlags As Long, ByVal dwReserved As Long) As Long
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 Type
窗体代码:
Private Sub Command1_Click()
Dim DevM As DEVMODE
erg& = EnumDisplaySettings(0&, 0&, DevM)
DevM.dmFields = DM_PELSWIDTH Or DM_PELSHEIGHT
DevM.dmPelsWidth = 1152 '屏幕宽度
DevM.dmPelsHeight = 864 '屏幕高度
'DevM.dmBitsPerPel = 32 (还可以为 8, 16, 32甚至4)
erg& = ChangeDisplaySettings(DevM, CDS_TEST) '检查是否成功
Select Case erg&
Case DISP_CHANGE_RESTART
an = MsgBox("你现在必须重新启动系统，执行吗？", vbYesNo + vbSystemModal, "消息")
If an = vbYes Then erg& = ExitWindowsEx(EWX_REBOOT, 0&)
Case DISP_CHANGE_SUCCESSFUL
erg& = ChangeDisplaySettings(DevM, CDS_UPDATEREGISTRY)
MsgBox "一切正常！", vbOKOnly + vbSystemModal, "成功"
Case Else
MsgBox "显示模式不支持", vbOKOnly + vbSystemModal, "错误"
End Select
End Sub
Private Sub Command2_Click()
Dim DevM As DEVMODE
erg& = EnumDisplaySettings(0&, 0&, DevM)
DevM.dmFields = DM_PELSWIDTH Or DM_PELSHEIGHT
DevM.dmPelsWidth = 1280 '屏幕宽度
DevM.dmPelsHeight = 1024 '屏幕高度
'DevM.dmBitsPerPel = 32 (还可以为 8, 16, 32甚至4)
erg& = ChangeDisplaySettings(DevM, CDS_TEST) '检查是否成功
Select Case erg&
Case DISP_CHANGE_RESTART
an = MsgBox("你现在必须重新启动系统，执行吗？", vbYesNo + vbSystemModal, "消息")
If an = vbYes Then erg& = ExitWindowsEx(EWX_REBOOT, 0&)
Case DISP_CHANGE_SUCCESSFUL
erg& = ChangeDisplaySettings(DevM, CDS_UPDATEREGISTRY)
MsgBox "一切正常！", vbOKOnly + vbSystemModal, "成功"
Case Else
MsgBox "显示模式不支持", vbOKOnly + vbSystemModal, "错误"
End Select
End Sub
Declare Function EnumDisplaySettings Lib "user32" Alias "EnumDisplaySettingsA" (ByVal lpszDeviceName As Long, ByVal iModeNum As Long, lpDevMode As Any) As Boolean
Declare Function ChangeDisplaySettings Lib "user32" Alias "ChangeDisplaySettingsA" (lpDevMode As Any, ByVal dwFlags As Long) As Long
Declare Function ExitWindowsEx Lib "user32" (ByVal uFlags As Long, ByVal dwReserved As Long) As Long
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 Type
窗体代码:
Private Sub Command1_Click()
Dim DevM As DEVMODE
erg& = EnumDisplaySettings(0&, 0&, DevM)
DevM.dmFields = DM_PELSWIDTH Or DM_PELSHEIGHT
DevM.dmPelsWidth = 1152 '屏幕宽度
DevM.dmPelsHeight = 864 '屏幕高度
'DevM.dmBitsPerPel = 32 (还可以为 8, 16, 32甚至4)
erg& = ChangeDisplaySettings(DevM, CDS_TEST) '检查是否成功
Select Case erg&
Case DISP_CHANGE_RESTART
an = MsgBox("你现在必须重新启动系统，执行吗？", vbYesNo + vbSystemModal, "消息")
If an = vbYes Then erg& = ExitWindowsEx(EWX_REBOOT, 0&)
Case DISP_CHANGE_SUCCESSFUL
erg& = ChangeDisplaySettings(DevM, CDS_UPDATEREGISTRY)
MsgBox "一切正常！", vbOKOnly + vbSystemModal, "成功"
Case Else
MsgBox "显示模式不支持", vbOKOnly + vbSystemModal, "错误"
End Select
End Sub
Private Sub Command2_Click()
Dim DevM As DEVMODE
erg& = EnumDisplaySettings(0&, 0&, DevM)
DevM.dmFields = DM_PELSWIDTH Or DM_PELSHEIGHT
DevM.dmPelsWidth = 1280 '屏幕宽度
DevM.dmPelsHeight = 1024 '屏幕高度
'DevM.dmBitsPerPel = 32 (还可以为 8, 16, 32甚至4)
erg& = ChangeDisplaySettings(DevM, CDS_TEST) '检查是否成功
Select Case erg&
Case DISP_CHANGE_RESTART
an = MsgBox("你现在必须重新启动系统，执行吗？", vbYesNo + vbSystemModal, "消息")
If an = vbYes Then erg& = ExitWindowsEx(EWX_REBOOT, 0&)
Case DISP_CHANGE_SUCCESSFUL
erg& = ChangeDisplaySettings(DevM, CDS_UPDATEREGISTRY)
MsgBox "一切正常！", vbOKOnly + vbSystemModal, "成功"
Case Else
MsgBox "显示模式不支持", vbOKOnly + vbSystemModal, "错误"
End Select
End Sub
温馨提示：答案为网友推荐，仅供参考
第1个回答 2007-11-22
Option Explicit
Private Declare Function EnumDisplaySettings Lib "user32" Alias "EnumDisplaySettingsA" _
(ByVal lpszDeviceName As Long, ByVal iModeNum As Long, lpDevMode As Any) As Long
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 Long
Const EWX_REBOOT = 2
Const CCDEVICENAME = 32
Const CCFORMNAME = 32
Const DM_PELSWIDTH = &H80000
Const DM_PELSHEIGHT = &H100000
Const DISP_CHANGE_SUCCESSFUL = 0
Const DISP_CHANGE_RESTART = 1
Const CDS_UPDATEREGISTRY = 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
Private DevM As DEVMODE
Private Function SetSc(ScW As Long, ScH As Long)
Dim Cds As Long
Dim Res As Long
Dim Eds As Long
Eds = EnumDisplaySettings(0, 0, DevM)
DevM.dmFields = DM_PELSWIDTH Or DM_PELSHEIGHT
DevM.dmPelsWidth = ScW
DevM.dmPelsHeight = ScH
Cds = ChangeDisplaySettings(DevM, 0)
If Cds = DISP_CHANGE_RESTART Then
Res = MsgBox("需要重新启动计算机才能完成分辨率设定。", vbOKCancel)
If Res = 1 Then
Cds = ChangeDisplaySettings(DevM, CDS_UPDATEREGISTRY)
Call ExitWindowsEx(EWX_REBOOT, 0)
End If
Else
If Cds <> DISP_CHANGE_SUCCESSFUL Then
Call MsgBox("错误！", vbCritical)
End If
End If
End Function
Private Sub Command1_Click()
SetSc 1152, 864
End Sub
Private Sub Command2_Click()
SetSc 1280, 1024
End Sub
Private Declare Function EnumDisplaySettings Lib "user32" Alias "EnumDisplaySettingsA" _
(ByVal lpszDeviceName As Long, ByVal iModeNum As Long, lpDevMode As Any) As Long
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 Long
Const EWX_REBOOT = 2
Const CCDEVICENAME = 32
Const CCFORMNAME = 32
Const DM_PELSWIDTH = &H80000
Const DM_PELSHEIGHT = &H100000
Const DISP_CHANGE_SUCCESSFUL = 0
Const DISP_CHANGE_RESTART = 1
Const CDS_UPDATEREGISTRY = 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
Private DevM As DEVMODE
Private Function SetSc(ScW As Long, ScH As Long)
Dim Cds As Long
Dim Res As Long
Dim Eds As Long
Eds = EnumDisplaySettings(0, 0, DevM)
DevM.dmFields = DM_PELSWIDTH Or DM_PELSHEIGHT
DevM.dmPelsWidth = ScW
DevM.dmPelsHeight = ScH
Cds = ChangeDisplaySettings(DevM, 0)
If Cds = DISP_CHANGE_RESTART Then
Res = MsgBox("需要重新启动计算机才能完成分辨率设定。", vbOKCancel)
If Res = 1 Then
Cds = ChangeDisplaySettings(DevM, CDS_UPDATEREGISTRY)
Call ExitWindowsEx(EWX_REBOOT, 0)
End If
Else
If Cds <> DISP_CHANGE_SUCCESSFUL Then
Call MsgBox("错误！", vbCritical)
End If
End If
End Function
Private Sub Command1_Click()
SetSc 1152, 864
End Sub
Private Sub Command2_Click()
SetSc 1280, 1024
End Sub
