VB6中改变屏幕的分辨率和刷新频率
2007-02-10 09:37
274 查看
Public Declare Function ChangeDisplaySettings Lib "user32.dll" Alias "ChangeDisplaySettingsA" (ByRef lpDevMode As DEVMODE, ByVal dwFlags As Long) As Long
Public Declare Function EnumDisplaySettings Lib "user32.dll" Alias "EnumDisplaySettingsA" (ByVal lpszDeviceName As String, ByVal iModeNum As Long, ByRef lpDevMode As DEVMODE) As Long
Const DM_PELSHEIGHT As Long = &H100000
Const DM_PELSWIDTH As Long = &H80000
Const DM_BITSPERPEL As Long = &H40000
Const DM_DISPLAYFREQUENCY As Long = &H400000
Const CCHDEVICENAME As Long = 32
Const CCHFORMNAME As Long = 32
Const CDS_TEST = &H4
Private Type DEVMODE
dmDeviceName As String * CCHDEVICENAME
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 * CCHFORMNAME
dmUnusedPadding As Integer
dmBitsPerPel As Integer
dmPelsWidth As Long
dmPelsHeight As Long
dmDisplayFlags As Long
dmDisplayFrequency As Long
End Type
'-------------------------------------------------------------------------------------------
' LngWidth //屏幕的宽(单位象素)
' LngHeight //屏幕的高(单位象素)
' IntColor //多少位颜色(e.g 16 or 32)
' LngFrequency //屏幕的刷新频率
'
'声明:
' 调用该函数时要确定所设置的值在系统所允许的设置范围内,比如系统的最大刷新频率位80,而你
' 用把LngFrequency设位85,这样将带来无法预测的后果。
'------------------------------------------------------------------------------------------
Public Function SetDisplaymode(LngWidth As Long, LngHeight As Long, IntColor As Integer, LngFrequency As Long) As Long
Dim NewDevmode As DEVMODE
Dim lngP As Long
'obtains information
EnumDisplaySettings 0&, 0&, NewDevmode
With NewDevmode
.dmFields = DM_PELSHEIGHT Or DM_PELSWIDTH Or DM_BITSPERPEL Or DM_DISPLAYFREQUENCY
.dmPelsWidth = LngWidth
.dmPelsHeight = LngHeight
.dmBitsPerPel = IntColor
.dmDisplayFrequency = LngFrequency
End With
SetDisplaymode = ChangeDisplaySettings(NewDevmode, CDS_TEST)
End Function
Public Declare Function EnumDisplaySettings Lib "user32.dll" Alias "EnumDisplaySettingsA" (ByVal lpszDeviceName As String, ByVal iModeNum As Long, ByRef lpDevMode As DEVMODE) As Long
Const DM_PELSHEIGHT As Long = &H100000
Const DM_PELSWIDTH As Long = &H80000
Const DM_BITSPERPEL As Long = &H40000
Const DM_DISPLAYFREQUENCY As Long = &H400000
Const CCHDEVICENAME As Long = 32
Const CCHFORMNAME As Long = 32
Const CDS_TEST = &H4
Private Type DEVMODE
dmDeviceName As String * CCHDEVICENAME
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 * CCHFORMNAME
dmUnusedPadding As Integer
dmBitsPerPel As Integer
dmPelsWidth As Long
dmPelsHeight As Long
dmDisplayFlags As Long
dmDisplayFrequency As Long
End Type
'-------------------------------------------------------------------------------------------
' LngWidth //屏幕的宽(单位象素)
' LngHeight //屏幕的高(单位象素)
' IntColor //多少位颜色(e.g 16 or 32)
' LngFrequency //屏幕的刷新频率
'
'声明:
' 调用该函数时要确定所设置的值在系统所允许的设置范围内,比如系统的最大刷新频率位80,而你
' 用把LngFrequency设位85,这样将带来无法预测的后果。
'------------------------------------------------------------------------------------------
Public Function SetDisplaymode(LngWidth As Long, LngHeight As Long, IntColor As Integer, LngFrequency As Long) As Long
Dim NewDevmode As DEVMODE
Dim lngP As Long
'obtains information
EnumDisplaySettings 0&, 0&, NewDevmode
With NewDevmode
.dmFields = DM_PELSHEIGHT Or DM_PELSWIDTH Or DM_BITSPERPEL Or DM_DISPLAYFREQUENCY
.dmPelsWidth = LngWidth
.dmPelsHeight = LngHeight
.dmBitsPerPel = IntColor
.dmDisplayFrequency = LngFrequency
End With
SetDisplaymode = ChangeDisplaySettings(NewDevmode, CDS_TEST)
End Function
相关文章推荐
- VB6中改变屏幕的分辨率和刷新频率!!!
- 用VB改变屏幕的分辨率和刷新频率
- CentOS6.3x86显示器的分辨率有限或刷新频率无法调整
- VC获得显示器的分辨率、刷新频率等
- 关于android MTK相机L版本,切换屏幕比例后,分辨率随之改变,但重新进入相机后原有分辨率不再生效问题
- CentOS6.3x86显示器的分辨率有限或刷新频率无法调整
- 动态改变屏幕设置 分辨率、颜色等。
- OpenGL 编程实践 之 改变屏幕分辨率和颜色深度
- Ubuntu 10.10 调节屏幕亮度及改变启动界面分辨率
- Fedora 显示屏幕偏移,刷新的频率太低,显示器闪的厉害的解决办法
- 改变屏幕分辨率
- 调整显示屏幕偏移和刷新频率[zt]
- 动态改变屏幕设置 分辨率、颜色等。
- android改变屏幕分辨率
- 开机第二屏幕分辨率改变的几种解决方法
- 更改linux显示器分辨率及刷新频率
- android 获取手机屏幕的刷新频率
- Win7下锁定屏幕刷新频率
- 屏幕分辨率改变导致Maximum call stack size exceeded
- 改变HyperV虚拟的Ubuntu server屏幕分辨率