تغییر resolution

[shobeirF]

میخواهم در نرو افزاری رزولوشن صفحه نمایش را تغییر دهم و بعد از بستن فرم دوباره به همان رزولوشن قبلی برگردم .


لطفا راهنماییم کنید . :ناراحت::ناراحت::ناراحت::نار� �حت:

[javadt]

شما با استفاده از كد زير مي توني اين كار رو انجام بدي
پ.ن :سرچ كن دوست عزيز خودم قبلا اين كد رو گذاشته بودم


'The API's:
Private Declare Function EnumDisplaySettings Lib "user32.dll" Alias "EnumDisplaySettingsA" _
(ByVal lpszDeviceName As Long, ByVal iModeNum As Long, lpDevMode As Any) As Boolean
Private Declare Function ChangeDisplaySettings Lib "user32.dll" Alias "ChangeDisplaySettingsA" _
(lpDevMode As Any, ByVal dwFlags As Long) As Long
Private Declare Function SendMessage Lib "user32.dll" Alias "SendMessageA" _
(ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long

'Types:
Private Type DEVMODE
dmDeviceName As String * 32
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 * 32
dmUnusedPadding As Integer
dmBitsPerPel As Integer
dmPelsWidth As Long
dmPelsHeight As Long
dmDisplayFlags As Long
dmDisplayFrequency As Long
End Type

'Now the function itself:
Public Function changeResolution(ByVal width As Integer, ByVal height As Integer)
Dim dev As DEVMODE
EnumDisplaySettings 0, 0, dev
dev.dmFields = &H80000 Or &H100000
dev.dmPelsWidth = width
dev.dmPelsHeight = height
ChangeDisplaySettings dev, &H4
Call ChangeDisplaySettings(dev, &H1)
Call SendMessage(&HFFFF&, &H7E&, 42, ByVal 0&)
End Function

Private Sub Command1_Click()
changeResolution 1024, 768
End Sub

[shobeirF]

ممنونم من سرچ میکنم ولی چون سرچ برنامه نویس کمی ضعیف است چیزی پیدا نمیکنم

از پاسخ و توجهتون به من ممنوم من یک ocx برای این کار پیدا کردم

[Masoud sharifi]

شما با استفاده از كد زير مي توني اين كار رو انجام بدي
پ.ن :سرچ كن دوست عزيز خودم قبلا اين كد رو گذاشته بودم


'The API's:
Private Declare Function EnumDisplaySettings Lib "user32.dll" Alias "EnumDisplaySettingsA" _
(ByVal lpszDeviceName As Long, ByVal iModeNum As Long, lpDevMode As Any) As Boolean
Private Declare Function ChangeDisplaySettings Lib "user32.dll" Alias "ChangeDisplaySettingsA" _
(lpDevMode As Any, ByVal dwFlags As Long) As Long
Private Declare Function SendMessage Lib "user32.dll" Alias "SendMessageA" _
(ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long

'Types:
Private Type DEVMODE
dmDeviceName As String * 32
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 * 32
dmUnusedPadding As Integer
dmBitsPerPel As Integer
dmPelsWidth As Long
dmPelsHeight As Long
dmDisplayFlags As Long
dmDisplayFrequency As Long
End Type

'Now the function itself:
Public Function changeResolution(ByVal width As Integer, ByVal height As Integer)
Dim dev As DEVMODE
EnumDisplaySettings 0, 0, dev
dev.dmFields = &H80000 Or &H100000
dev.dmPelsWidth = width
dev.dmPelsHeight = height
ChangeDisplaySettings dev, &H4
Call ChangeDisplaySettings(dev, &H1)
Call SendMessage(&HFFFF&, &H7E&, 42, ByVal 0&)
End Function

Private Sub Command1_Click()
changeResolution 1024, 768
End Sub


وقتی اجرا میکنم رزولوشن تغیر میکنه ولی برنامه هنگ میکنه؟؟؟یه راهنمایی میکنید

[shobeirF]

وقتی اجرا میکنم رزولوشن تغیر میکنه ولی برنامه هنگ میکنه؟؟؟یه راهنمایی میکنید
پیش نهاد میدم از همون ocx که گزاشتم استفاده کنی کامله و جواب میده
کار کردن باهاش سادست و رایگانه
تازه بهم ریختگی کد هم نداره
یعنی کدت کمتر میشه !!!!!!!!!!!!!!!!!!!!!!!:لبخند::لبخند::ل بخند::لبخند::لبخند::لبخند::لب خند::لبخند:

[Masoud sharifi]

خوب میشه یه نمونه کد برام بزاری ممنون میشم