本文整理匯總了VB.NET中System.Windows.Media.Effects.BitmapEffect.CreateUnmanagedEffect方法的典型用法代碼示例。如果您正苦於以下問題:VB.NET BitmapEffect.CreateUnmanagedEffect方法的具體用法?VB.NET BitmapEffect.CreateUnmanagedEffect怎麽用?VB.NET BitmapEffect.CreateUnmanagedEffect使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。
在下文中一共展示了BitmapEffect.CreateUnmanagedEffect方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: CreateUnmanagedEffect
<SecurityPermissionAttribute(SecurityAction.Demand, Flags := SecurityPermissionFlag.UnmanagedCode)>
Protected Overrides Function CreateUnmanagedEffect() As SafeHandle
Const CLSCTX_INPROC_SERVER As UInteger = 1
Dim IID_IUnknown As New Guid("00000000-0000-0000-C000-000000000046")
Dim guidEffectCLSID As New Guid("84CF07CC-34C4-460f-B435-3184F5F2FF2A")
Dim wrapper As SafeHandle = BitmapEffect.CreateBitmapEffectOuter()
Dim unmanagedEffect As COMSafeHandle
Dim hresult As UInteger = Ole32Methods.CoCreateInstance(guidEffectCLSID, wrapper.DangerousGetHandle(), CLSCTX_INPROC_SERVER, IID_IUnknown, unmanagedEffect)
InitializeBitmapEffect(wrapper, unmanagedEffect)
If 0 = hresult Then
Return wrapper
End If
Throw New Exception("Cannot instantiate effect. HRESULT = " & hresult.ToString())
End Function