사용법입니다.
Dim screen_Width As Integer
Dim screen_Height As Integer
'현재 화면 해상도 알기
Private sub get_screen()
screen_Width = Screen.Width / Screen.TwipsPerPixelX
screen_Height = Screen.Height / Screen.TwipsPerPixelY
End sub
'해상도 지정하기
Private sub set_screen()
i = SetDisplayMode(screen_Width, screen_Height, 32)
End Sub
API부분=================================================================================
Option Explicit
'화면 해상도 조정
Declare Function lstrcpy Lib "kernel32" Alias "lstrcpyA" (lpString1 As Any, lpString2 As Any) As Long
' lstrcpy에서 As String 대신 As Any를 사용한 이유는 문자열의
' 포인터를 얻기위한것이 아니라.. DEVMODE의 구조체에 대한
' 포인터를 얻기 위해서입니다.
Const CCHDEVICENAME = 32
Const CCHFORMNAME = 32
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
Declare Function ChangeDisplaySettings Lib "User32" Alias "ChangeDisplaySettingsA" (ByVal lpDevMode As Long, ByVal dwflags As Long) As Long
Public Function SetDisplayMode(Width As Integer, Height As Integer, Color As Integer) As Long
Const DM_PELSWIDTH = &H80000
Const DM_PELSHEIGHT = &H100000
Const DM_BITSPERPEL = &H40000
Dim NewDevMode As DEVMODE
Dim pDevmode As Long ' <-- 수정 되었음
With NewDevMode
.dmSize = 212
If Color = -1 Then
.dmFields = DM_PELSWIDTH Or DM_PELSHEIGHT
Else
.dmFields = DM_PELSWIDTH Or DM_PELSHEIGHT Or DM_BITSPERPEL
End If
.dmPelsWidth = Width
.dmPelsHeight = Height
If Color <> -1 Then
.dmBitsPerPel = Color
End If
End With
pDevmode = lstrcpy(NewDevMode, NewDevMode)
' ~~~~~~~~
' └─> NewDevMode의 구조체의 포인터를 할당받음..
' 즉, NewDevMode의 모든 정보를 pDevmode를 이용
' 함으로서 이용할 수 있다.
SetDisplayMode = ChangeDisplaySettings(pDevmode, 0)
' ~~~~~~~~
' 메모리상에 있는 pDevmode와 연관된 모든 정보를
' ChangeDisplaySettings()에 넘겨줌니다.
End Function