6
Февраль
2009
Как изменить разрешение экрана?
Как изменить разрешение экрана?
Option Explicit 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 Private 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 Private Sub Command2_Click() ChangeResolution 800, 600 End Sub Private Sub Command3_Click() ChangeResolution 1024, 768 End Sub