Here is a way to do it via .NET interop instead of compiling a C++ native DLL:
Imports System.Runtime.InteropServices
Imports System.Runtime.CompilerServices
Public Class EdgeGestureUtil
Private Shared DISABLE_TOUCH_SCREEN As Guid = New Guid("32CE38B2-2C9A-41B1-9BC5-B3784394AA44")
Private Shared IID_PROPERTY_STORE As Guid = New Guid("886d8eeb-8cf2-4446-8d02-cdba1dbdcf99")
Private Shared VT_BOOL As Short = 11
#Region "Structures"
_
Public Structure PropertyKey
Public Sub New(guid As Guid, pid As UInt32)
fmtid = guid
Me.pid = pid
End Sub
_
Public fmtid As Guid
Public pid As UInteger
End Structure
_
Public Structure PropVariant
_
Public vt As Short
_
Private wReserved1 As Short
_
Private wReserved2 As Short
_
Private wReserved3 As Short
_
Private cVal As SByte
_
Private bVal As Byte
_
Private iVal As Short
_
Public uiVal As UShort
_
Private lVal As Integer
_
Private ulVal As UInteger
_
Private intVal As Integer
_
Private uintVal As UInteger
_
Private hVal As Long
_
Private uhVal As Long
_
Private fltVal As Single
_
Private dblVal As Double
_
Public boolVal As Boolean
_
Private scode As Integer
'CY cyVal;
_
Private [date] As DateTime
_
Private filetime As System.Runtime.InteropServices.ComTypes.FILETIME
'CLSID* puuid;
'CLIPDATA* pclipdata;
'BSTR bstrVal;
'BSTRBLOB bstrblobVal;
_
Private blobVal As Blob
'LPSTR pszVal;
_
Private pwszVal As IntPtr
'LPWSTR
'IUnknown* punkVal;
'IDispatch* pdispVal;
' IStream* pStream;
' IStorage* pStorage;
' LPVERSIONEDSTREAM pVersionedStream;
' LPSAFEARRAY parray;
' CAC cac;
' CAUB caub;
' CAI cai;
' CAUI caui;
' CAL cal;
' CAUL caul;
' CAH cah;
' CAUH cauh;
' CAFLT caflt;
' CADBL cadbl;
' CABOOL cabool;
' CASCODE cascode;
' CACY cacy;
' CADATE cadate;
' CAFILETIME cafiletime;
' CACLSID cauuid;
' CACLIPDATA caclipdata;
' CABSTR cabstr;
' CABSTRBLOB cabstrblob;
' CALPSTR calpstr;
' CALPWSTR calpwstr;
' CAPROPVARIANT capropvar;
' CHAR* pcVal;
' UCHAR* pbVal;
' SHORT* piVal;
' USHORT* puiVal;
' LONG* plVal;
' ULONG* pulVal;
' INT* pintVal;
' UINT* puintVal;
' FLOAT* pfltVal;
' DOUBLE* pdblVal;
' VARIANT_BOOL* pboolVal;
' DECIMAL* pdecVal;
' SCODE* pscode;
' CY* pcyVal;
' DATE* pdate;
' BSTR* pbstrVal;
' IUnknown** ppunkVal;
' IDispatch** ppdispVal;
' LPSAFEARRAY* pparray;
' PROPVARIANT* pvarVal;
'
'''
''' Helper method to gets blob data
'''
Private Function GetBlob() As Byte()
Dim Result As Byte() = New Byte(blobVal.Length - 1) {}
Marshal.Copy(blobVal.Data, Result, 0, Result.Length)
Return Result
End Function
'''
''' Property value
'''
Public ReadOnly Property Value() As Object
Get
Dim ve As VarEnum = vt
Select Case ve
Case VarEnum.VT_I1
Return bVal
Case VarEnum.VT_I2
Return iVal
Case VarEnum.VT_I4
Return lVal
Case VarEnum.VT_I8
Return hVal
Case VarEnum.VT_INT
Return iVal
Case VarEnum.VT_UI4
Return ulVal
Case VarEnum.VT_LPWSTR
Return Marshal.PtrToStringUni(pwszVal)
Case VarEnum.VT_BLOB
Return GetBlob()
End Select
Throw New NotImplementedException("PropVariant " + ve.ToString())
End Get
End Property
End Structure
Friend Structure Blob
Public Length As Integer
Public Data As IntPtr
'Code Should Compile at warning level4 without any warnings,
'However this struct will give us Warning CS0649: Field [Fieldname]
'is never assigned to, and will always have its default value
'You can disable CS0649 in the project options but that will disable
'the warning for the whole project, it's a nice warning and we do want
'it in other places so we make a nice dummy function to keep the compiler
'happy.
Private Sub FixCS0649()
Length = 0
Data = IntPtr.Zero
End Sub
End Structure
#End Region
#Region "Interfaces"
_
Interface IPropertyStore
_
Sub GetCount( ByRef cProps As UInteger)
_
Sub GetAt(<[In]> iProp As UInteger, ByRef pkey As PropertyKey)
_
Sub GetValue(<[In]> ByRef key As PropertyKey, ByRef pv As PropVariant)
_
Sub SetValue(<[In]> ByRef key As PropertyKey, <[In]> ByRef pv As PropVariant)
_
Sub Commit()
_
Sub Release()
End Interface
#End Region
#Region "Methods"
_
Private Shared Function SHGetPropertyStoreForWindow(handle As IntPtr, ByRef riid As Guid, ByRef propertyStore As IPropertyStore) As Integer
End Function
Public Shared Sub EnableEdgeGestures(ByVal hwnd As IntPtr, ByVal enable As Boolean)
Dim pPropStore As IPropertyStore = Nothing
Dim hr As Integer
hr = SHGetPropertyStoreForWindow(hwnd, IID_PROPERTY_STORE, pPropStore)
If hr = 0 Then
Dim propKey As New PropertyKey
propKey.fmtid = DISABLE_TOUCH_SCREEN
propKey.pid = 2
Dim var As New PropVariant
var.vt = VT_BOOL
var.boolVal = enable
pPropStore.SetValue(propKey, var)
Marshal.FinalReleaseComObject(pPropStore)
End If
End Sub
#End Region
End Class
加载中...