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Как изменить разрешение экрана |
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Вызов функции: ChangeResolution 640, 480 (В данном
случае меняется разрешение экрана на 640*480)
Вы должны понимать, что ваш монитор должен
поддерживать задаваемое разрешение
Private Declare Function ChangeDisplaySettings Lib
"user32" Alias "ChangeDisplaySettingsA" (lpDevMode As Any, ByVal
dwflags As Long) As Long
Private Declare Function EnumDisplaySettings Lib "user32" Alias
"EnumDisplaySettingsA" (ByVal lpszDeviceName As Long, ByVal iModeNum As Long,
lpDevMode As Any) As Boolean
Const DM_PELSWIDTH = &H80000
Const DM_PELSHEIGHT = &H100000
Const CCFORMNAME = 32
Const CCDEVICENAME = 32
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
Public Sub ChangeResolution(iWidth As Single, iHeight As Single)
Dim DevM As DEVMODE
Dim a As Boolean
Dim i As Long
Dim b As Long
i = 0
Do
a = EnumDisplaySettings(0&, i&, DevM)
i = i + 1
Loop Until (a = False)
DevM.dmFields = DM_PELSWIDTH Or DM_PELSHEIGHT
DevM.dmPelsWidth = iWidth
DevM.dmPelsHeight = iHeight
b = ChangeDisplaySettings(DevM, 0)
End Sub
Private Sub Command1_Click()
ChangeResolution 640, 480
End Sub
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