| FDO .NET API Reference | Feature Data Objects |
00001 /* 00002 * Copyright (C) 2004-2006 Autodesk, Inc. 00003 * 00004 * This library is free software; you can redistribute it and/or 00005 * modify it under the terms of version 2.1 of the GNU Lesser 00006 * General Public License as published by the Free Software Foundation. 00007 * 00008 * This library is distributed in the hope that it will be useful, 00009 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00010 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00011 * Lesser General Public License for more details. 00012 * 00013 * You should have received a copy of the GNU Lesser General Public 00014 * License along with this library; if not, write to the Free Software 00015 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00016 * 00017 */ 00018 00019 #pragma once 00020 00021 00022 #include "FDO\Filter\mgSearchCondition.h" 00023 00024 class FdoNullCondition; 00025 00026 BEGIN_NAMESPACE_OSGEO_FDO_EXPRESSION 00027 public __gc class Identifier; 00028 END_NAMESPACE_OSGEO_FDO_EXPRESSION 00029 00030 BEGIN_NAMESPACE_OSGEO_FDO_FILTER 00031 00032 public __gc __interface IFilterProcessor; 00033 00034 /// \ingroup (OSGeoFDOFilter) 00035 /// \brief 00036 /// The NullCondition class derives from SearchCondition and can be used to test 00037 /// if the value of a specified data property is null. 00038 public __gc class NullCondition : public NAMESPACE_OSGEO_FDO_FILTER::SearchCondition 00039 { 00040 public: 00041 /// \brief 00042 /// Constructs a default instance of an NullCondition. 00043 /// 00044 /// \return 00045 /// Returns an NullCondition 00046 /// 00047 NullCondition(); 00048 00049 /// \brief 00050 /// Constructs an instance of an NullCondition using the specified arguments. 00051 /// 00052 /// \param propertyName 00053 /// Input name 00054 /// 00055 /// \return 00056 /// Returns an NullCondition 00057 /// 00058 NullCondition(System::String* propertyName); 00059 00060 /// \brief 00061 /// Constructs an instance of an NullCondition using the specified arguments. 00062 /// 00063 /// \param propertyName 00064 /// Input name 00065 /// 00066 /// \return 00067 /// Returns an NullCondition 00068 /// 00069 NullCondition(NAMESPACE_OSGEO_FDO_EXPRESSION::Identifier* propertyName); 00070 00071 /// \brief 00072 /// Gets the name of the data property. 00073 /// 00074 /// \return 00075 /// Returns Identifier 00076 /// 00077 __property NAMESPACE_OSGEO_FDO_EXPRESSION::Identifier* get_PropertyName(); 00078 00079 /// \brief 00080 /// Sets the name of the data property. 00081 /// 00082 /// \param value 00083 /// Input name 00084 /// 00085 /// \return 00086 /// Returns nothing 00087 /// 00088 __property System::Void set_PropertyName(NAMESPACE_OSGEO_FDO_EXPRESSION::Identifier* value); 00089 00090 /// \brief 00091 /// Overrides Filter.Process to pass NullCondition to the 00092 /// appropriate filter processor operation. 00093 /// 00094 /// \param processor 00095 /// Input filter processor 00096 /// 00097 /// \return 00098 /// Returns nothing 00099 /// 00100 System::Void Process(NAMESPACE_OSGEO_FDO_FILTER::IFilterProcessor* processor); 00101 00102 /// \brief 00103 /// Constructs a NullCondition object based on an unmanaged instance of the object 00104 /// 00105 /// \param unmanaged 00106 /// Input A Pointer to the unmanaged object. 00107 /// 00108 /// \param autoDelete 00109 /// Input Indicates if the constructed object should be automatically deleted 00110 /// once it no longer referenced. 00111 /// 00112 NullCondition(System::IntPtr unmanaged, System::Boolean autoDelete); 00113 00114 public private: 00115 inline FdoNullCondition* GetImpObj(); 00116 }; 00117 00118 END_NAMESPACE_OSGEO_FDO_FILTER 00119 00120
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