Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / WinForms / Managed / System / WinForms / ComponentModel / COM2Interop / COM2PropertyPageUITypeConverter.cs / 1305376 / COM2PropertyPageUITypeConverter.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Windows.Forms.ComponentModel.Com2Interop { using Microsoft.Win32; using System; using System.ComponentModel; using System.ComponentModel.Design; using System.Diagnostics; using System.Drawing; using System.Drawing.Design; using System.Runtime.InteropServices; using System.Windows.Forms.Design; ////// /// internal class Com2PropertyPageUITypeEditor : Com2ExtendedUITypeEditor, ICom2PropertyPageDisplayService { private Com2PropertyDescriptor propDesc; private Guid guid; public Com2PropertyPageUITypeEditor(Com2PropertyDescriptor pd, Guid guid, UITypeEditor baseEditor) : base(baseEditor){ propDesc = pd; this.guid = guid; } ////// /// Takes the value returned from valueAccess.getValue() and modifies or replaces /// the value, passing the result into valueAccess.setValue(). This is where /// an editor can launch a modal dialog or create a drop down editor to allow /// the user to modify the value. Host assistance in presenting UI to the user /// can be found through the valueAccess.getService function. /// public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value) { IntPtr hWndParent = UnsafeNativeMethods.GetFocus(); // Windows.GetForegroundWindow try { ICom2PropertyPageDisplayService propPageSvc = (ICom2PropertyPageDisplayService)provider.GetService(typeof(ICom2PropertyPageDisplayService)); if (propPageSvc == null) { propPageSvc = this; } object instance = context.Instance; if (!instance.GetType().IsArray) { instance = propDesc.TargetObject; if (instance is ICustomTypeDescriptor) { instance = ((ICustomTypeDescriptor)instance).GetPropertyOwner(propDesc); } } propPageSvc.ShowPropertyPage(propDesc.Name, instance, propDesc.DISPID, this.guid, hWndParent); } catch (Exception ex1) { if (provider != null) { IUIService uiSvc = (IUIService)provider.GetService(typeof(IUIService)); if (uiSvc != null){ uiSvc.ShowError(ex1, SR.GetString(SR.ErrorTypeConverterFailed)); } } } return value; } ////// /// Retrieves the editing style of the Edit method. If the method /// is not supported, this will return None. /// public override UITypeEditorEditStyle GetEditStyle(ITypeDescriptorContext context) { return UITypeEditorEditStyle.Modal; } public unsafe void ShowPropertyPage(string title, object component, int dispid, Guid pageGuid, IntPtr parentHandle){ Guid[] guids = new Guid[]{pageGuid}; IntPtr guidsAddr = Marshal.UnsafeAddrOfPinnedArrayElement(guids, 0); object[] objs = component.GetType().IsArray ? (object[])component : new object[]{component}; int nObjs = objs.Length; IntPtr[] objAddrs = new IntPtr[nObjs]; try { for (int i=0; i < nObjs; i++) { objAddrs[i] = Marshal.GetIUnknownForObject(objs[i]); } fixed (IntPtr* pAddrs = objAddrs) { SafeNativeMethods.OleCreatePropertyFrame(new HandleRef(null, parentHandle), 0, 0, title, nObjs, new HandleRef(null, (IntPtr)(long)pAddrs), 1, new HandleRef(null, guidsAddr), SafeNativeMethods.GetThreadLCID(), 0, IntPtr.Zero ); } } finally { for (int i=0; i < nObjs; i++) { if (objAddrs[i] != IntPtr.Zero) { Marshal.Release(objAddrs[i]); } } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu

This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- DomainLiteralReader.cs
- NamespaceMapping.cs
- PropertyPath.cs
- DesignTimeParseData.cs
- FormViewPagerRow.cs
- TextTreeTextBlock.cs
- XmlQualifiedName.cs
- Marshal.cs
- GridItemPatternIdentifiers.cs
- SlipBehavior.cs
- ResourceExpressionEditorSheet.cs
- ToolStripStatusLabel.cs
- MaskedTextBox.cs
- PnrpPermission.cs
- OutputCacheModule.cs
- CornerRadiusConverter.cs
- VirtualPath.cs
- HandleRef.cs
- JsonFormatWriterGenerator.cs
- PrintDialog.cs
- Transform3DGroup.cs
- CipherData.cs
- CalendarAutomationPeer.cs
- WebServiceTypeData.cs
- FactoryMaker.cs
- AnonymousIdentificationSection.cs
- ResetableIterator.cs
- KeyboardNavigation.cs
- Item.cs
- LongPath.cs
- Drawing.cs
- ExpressionsCollectionConverter.cs
- ProviderManager.cs
- FastPropertyAccessor.cs
- AssemblyName.cs
- TextRange.cs
- ProjectionPruner.cs
- ComboBoxRenderer.cs
- DataGridViewCellCollection.cs
- BindingNavigator.cs
- MetadataImporterQuotas.cs
- SupportingTokenAuthenticatorSpecification.cs
- SQLBoolean.cs
- FrameDimension.cs
- SoapMessage.cs
- OfTypeExpression.cs
- RequestStatusBarUpdateEventArgs.cs
- CodeSnippetExpression.cs
- ColumnMap.cs
- AddInToken.cs
- TypeSystemHelpers.cs
- HttpProfileBase.cs
- QuinticEase.cs
- PageBorderless.cs
- WeakReferenceKey.cs
- DiagnosticTrace.cs
- DBCommandBuilder.cs
- TaiwanCalendar.cs
- TextSelection.cs
- DocumentXmlWriter.cs
- SpecialNameAttribute.cs
- XmlSchemaObjectTable.cs
- IdentityModelStringsVersion1.cs
- CrossSiteScriptingValidation.cs
- TimerElapsedEvenArgs.cs
- TextBlockAutomationPeer.cs
- InputScopeNameConverter.cs
- MetadataUtil.cs
- MouseCaptureWithinProperty.cs
- UpdateCompiler.cs
- __Filters.cs
- PrePrepareMethodAttribute.cs
- XPathNavigatorKeyComparer.cs
- ISAPIRuntime.cs
- Trace.cs
- PageTheme.cs
- MediaPlayerState.cs
- DynamicPropertyHolder.cs
- AutomationProperties.cs
- ISessionStateStore.cs
- Events.cs
- DecoderFallback.cs
- CapabilitiesAssignment.cs
- RemoveStoryboard.cs
- ClientRequest.cs
- MessageAction.cs
- Identity.cs
- WebControlParameterProxy.cs
- AnimationTimeline.cs
- ConnectionManagementElement.cs
- XmlLoader.cs
- SafeReadContext.cs
- ItemsControlAutomationPeer.cs
- MonthChangedEventArgs.cs
- DeferredSelectedIndexReference.cs
- UdpDiscoveryMessageFilter.cs
- XmlSchemaInclude.cs
- DataRelationCollection.cs
- TokenBasedSet.cs
- XhtmlTextWriter.cs