لتغيير دقة عرض الشاشة من برنامجك
أكتب التالي في قسم التصاريح
Const DM_PELSWIDTH =
&H80000
Const DM_PELSHEIGHT = &H100000
Const DM_BITSPERPEL =
&H40000
'تجاهل الحفظ
Const CDS_TEST = &H4
'حفظ
الاعدادات
Const CDS_UPDATEREGISTRY = &H1
'الاعلان عن نوع جديد، تستخدمة
دالة تغيير دقة العرض
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
dmICMMethod As
Long
dmICMIntent As Long
dmMediaType As Long
dmDitherType As
Long
dmReserved1 As Long
dmReserved2 As Long
dmPanningWidth As
Long
dmPanningHeight As Long
End Type
'الاعلان عن الدالة
Private
Declare Function ChangeDisplaySettingsEx Lib "user32" _
Alias
"ChangeDisplaySettingsExA" (lpszDeviceName As Any _
, lpDevMode As Any, ByVal
hWnd As Long, ByVal dwFlags As Long _
, lParam As Any) As Long
ComboBox أضف أداة مربع التحرير والسرد الى النموذج
ثم أدخل التالي في حدث الضغط عليها
Private Sub Combo1_Click()
Dim
sMode As DEVMODE
Dim tmp&
With sMode
'اعداد البيانات حسب اختيار
المستخدم
.dmSize = Len(sMode)
.dmFields = DM_PELSWIDTH Or
_
DM_PELSHEIGHT Or DM_BITSPERPEL
Select Case Combo1.ListIndex
Case
0
.dmPelsWidth = 640
.dmPelsHeight = 480
Case 1
.dmPelsWidth =
800
.dmPelsHeight = 600
Case 2
.dmPelsWidth = 1024
.dmPelsHeight =
768
Case 3
.dmPelsWidth = 1280
.dmPelsHeight = 1024
End
Select
End With
'تطبيق التعديلات الجديدة
ChangeDisplaySettingsEx ByVal
0&, sMode, ByVal 0& _
, CDS_TEST, ByVal 0&
End Sub
أدخل التالي في حدث تحميل الفورم
Private Sub Form_Load()
'تجهيز
القائمة
Combo1.Clear
Combo1.AddItem "640 x 480"
Combo1.AddItem "800 x
600"
Combo1.AddItem "1024 x 768"
Combo1.AddItem "1280 x 1024"
End
Sub