{"id":34,"date":"2012-01-22T18:11:36","date_gmt":"2012-01-22T18:11:36","guid":{"rendered":"http:\/\/www.developercookies.net\/?p=34"},"modified":"2020-12-25T13:51:32","modified_gmt":"2020-12-25T13:51:32","slug":"m-v-vm-with-prism","status":"publish","type":"post","link":"https:\/\/www.developercookies.net\/de\/m-v-vm-with-prism\/","title":{"rendered":"M-V-VM with PRISM"},"content":{"rendered":"

It seems that PRISM technology will be favorized by implementing Wpf, Silverlight or Windows Phone 7 applications. My personal opinion is that the current development state of PRISM needs too much manual development effort for realizing a project. Some automated goodies would be needed for PRISM hardly. But I think they would be realized and available in conceivable time.<\/p>\n

I prefer something between: Implementing M-V-VM with PRISM library. Especially the DelegateCommand of PRISM is a goodie which simplifies Commanding and improves the understanding MVVM and reading of written code lines remarquable.<\/p>\n

In the following lines I have coded an MVVM with PRISM example. It is a simple master detail visualization.<\/p>\n

Model (CPerson.cs):<\/strong><\/p>\n

using System.ComponentModel;\r\n\r\nnamespace prism.Model\r\n{\r\n    public class CPerson : INotifyPropertyChanged\r\n    {\r\n        #region Fields\r\n\r\n        private string _lastName;\r\n        private string _email;\r\n        private string _firstName;\r\n        private string _city;\r\n\r\n        #endregion\r\n\r\n        #region Properties\r\n\r\n        public string LastName\r\n        {\r\n            get { return _lastName; }\r\n            set\r\n            {\r\n                if (_lastName != value)\r\n                {\r\n                    _lastName = value;\r\n                    NotifyPropertyChanged(\"LastName\");\r\n                }\r\n            }\r\n        }\r\n\r\n        public string Email\r\n        {\r\n            get { return _email; }\r\n            set\r\n            {\r\n                if (_email != value)\r\n                {\r\n                    _email = value;\r\n                    NotifyPropertyChanged(\"Email\");\r\n                }\r\n            }\r\n        }\r\n\r\n        public string FirstName\r\n        {\r\n            get { return _firstName; }\r\n            set\r\n            {\r\n                if (_firstName != value)\r\n                {\r\n                    _firstName = value;\r\n                    NotifyPropertyChanged(\"FirstName\");\r\n                }\r\n            }\r\n        }\r\n\r\n        public string City\r\n        {\r\n            get { return _city; }\r\n            set\r\n            {\r\n                if (_city != value)\r\n                {\r\n                    _city = value;\r\n                    NotifyPropertyChanged(\"City\");\r\n                }\r\n            }\r\n        }\r\n\r\n        #endregion\r\n\r\n        #region Constructor\/Destructors\r\n\r\n        public CPerson()\r\n        {\r\n        }\r\n\r\n        public CPerson(CPerson person)\r\n        {\r\n            if (person != null)\r\n            {\r\n                FirstName = person.FirstName;\r\n                City = person.City;\r\n                Email = person.Email;\r\n                LastName = person.LastName;\r\n            }\r\n        }\r\n\r\n        #endregion\r\n\r\n        #region Methods\r\n\r\n        public void Copy(CPerson person)\r\n        {\r\n            FirstName = person.FirstName;\r\n            City = person.City;\r\n            Email = person.Email;\r\n            LastName = person.LastName;\r\n        }\r\n\r\n        private void NotifyPropertyChanged(string propertyName)\r\n        {\r\n            if (PropertyChanged != null)\r\n            {\r\n                PropertyChanged(this, new PropertyChangedEventArgs(propertyName));\r\n            }\r\n        }\r\n\r\n        #endregion\r\n\r\n        #region INotifyPropertyChanged Members\r\n\r\n        public event PropertyChangedEventHandler PropertyChanged;\r\n\r\n        #endregion\r\n    }\r\n}<\/pre>\n
ViewModel (MainViewModel.cs):<\/strong><\/p>\n
using System.ComponentModel;\r\n\r\nnamespace prism.Model\r\n{\r\n    public class CPerson : INotifyPropertyChanged\r\n    {\r\n        #region Fields\r\n\r\n        private string _lastName;\r\n        private string _email;\r\n        private string _firstName;\r\n        private string _city;\r\n\r\n        #endregion\r\n\r\n        #region Properties\r\n\r\n        public string LastName\r\n        {\r\n            get { return _lastName; }\r\n            set\r\n            {\r\n                if (_lastName != value)\r\n                {\r\n                    _lastName = value;\r\n                    NotifyPropertyChanged(\"LastName\");\r\n                }\r\n            }\r\n        }\r\n\r\n        public string Email\r\n        {\r\n            get { return _email; }\r\n            set\r\n            {\r\n                if (_email != value)\r\n                {\r\n                    _email = value;\r\n                    NotifyPropertyChanged(\"Email\");\r\n                }\r\n            }\r\n        }\r\n\r\n        public string FirstName\r\n        {\r\n            get { return _firstName; }\r\n            set\r\n            {\r\n                if (_firstName != value)\r\n                {\r\n                    _firstName = value;\r\n                    NotifyPropertyChanged(\"FirstName\");\r\n                }\r\n            }\r\n        }\r\n\r\n        public string City\r\n        {\r\n            get { return _city; }\r\n            set\r\n            {\r\n                if (_city != value)\r\n                {\r\n                    _city = value;\r\n                    NotifyPropertyChanged(\"City\");\r\n                }\r\n            }\r\n        }\r\n\r\n        #endregion\r\n\r\n        #region Constructor\/Destructors\r\n\r\n        public CPerson()\r\n        {\r\n        }\r\n\r\n        public CPerson(CPerson person)\r\n        {\r\n            if (person != null)\r\n            {\r\n                FirstName = person.FirstName;\r\n                City = person.City;\r\n                Email = person.Email;\r\n                LastName = person.LastName;\r\n            }\r\n        }\r\n\r\n        #endregion\r\n\r\n        #region Methods\r\n\r\n        public void Copy(CPerson person)\r\n        {\r\n            FirstName = person.FirstName;\r\n            City = person.City;\r\n            Email = person.Email;\r\n            LastName = person.LastName;\r\n        }\r\n\r\n        private void NotifyPropertyChanged(string propertyName)\r\n        {\r\n            if (PropertyChanged != null)\r\n            {\r\n                PropertyChanged(this, new PropertyChangedEventArgs(propertyName));\r\n            }\r\n        }\r\n\r\n        #endregion\r\n\r\n        #region INotifyPropertyChanged Members\r\n\r\n        public event PropertyChangedEventHandler PropertyChanged;\r\n\r\n        #endregion\r\n    }\r\n}<\/pre>\n
View (MainWindow.xaml):<\/strong><\/p>\n
<Window x:Class=\"prism.View.PersonWindow\"\r\n        xmlns=\"http:\/\/schemas.microsoft.com\/winfx\/2006\/xaml\/presentation\"\r\n        xmlns:x=\"http:\/\/schemas.microsoft.com\/winfx\/2006\/xaml\"\r\n        xmlns:vm=\"clr-namespace:prism.Viewmodel\"\r\n        Title=\"PersonWindow\" Height=\"561\" Width=\"594\">\r\n    <Window.DataContext>\r\n        <vm:MainViewModel\/>\r\n    <\/Window.DataContext>\r\n    <Window.Resources>\r\n        <Style x:Key=\"LabelStyle\" TargetType=\"{x:Type TextBlock}\">\r\n            <Setter Property=\"FontWeight\" Value=\"Bold\" \/>\r\n\r\n        <\/Style>\r\n        <Style x:Key=\"GridViewHeaderStyle\"\r\n               TargetType=\"{x:Type GridViewColumnHeader}\">\r\n            <Setter Property=\"FontWeight\" Value=\"Bold\" \/>\r\n            <Setter Property=\"Foreground\" Value=\"Maroon\" \/>\r\n            <Setter Property=\"Background\" Value=\"LightSkyBlue\" \/>\r\n        <\/Style>\r\n    <\/Window.Resources>\r\n    <Grid>\r\n        <Grid.RowDefinitions>\r\n            <RowDefinition Height=\"*\" \/>\r\n            <RowDefinition Height=\"25\" \/>\r\n            <RowDefinition Height=\"Auto\" \/>\r\n        <\/Grid.RowDefinitions>\r\n        <ListView  Grid.Row=\"0\" BorderBrush=\"White\"\r\n                   ItemsSource=\"{Binding Path=PersonList}\"\r\n                   HorizontalAlignment=\"Stretch\"\r\n                   SelectedItem=\"{Binding Path=SelectedPerson}\">\r\n            <ListView.View>\r\n                <GridView>\r\n                    <GridViewColumn Header=\"Last name\" Width=\"150\"\r\n                                    HeaderContainerStyle=\r\n                                    \"{StaticResource GridViewHeaderStyle}\"\r\n                                    DisplayMemberBinding=\"{Binding Path=LastName}\" \/>\r\n                    <GridViewColumn Header=\"First name\" Width=\"150\"\r\n                                    HeaderContainerStyle=\r\n                                    \"{StaticResource GridViewHeaderStyle}\"\r\n                                    DisplayMemberBinding=\"{Binding Path=FirstName}\" \/>\r\n                    <GridViewColumn Header=\"City\" Width=\"150\"\r\n                                    HeaderContainerStyle=\r\n                                    \"{StaticResource GridViewHeaderStyle}\"\r\n                                    DisplayMemberBinding=\"{Binding Path=City}\" \/>\r\n                <\/GridView>\r\n            <\/ListView.View>\r\n        <\/ListView >\r\n        <Grid Grid.Row=\"2\" HorizontalAlignment=\"Center\">\r\n            <Grid.RowDefinitions>\r\n                <RowDefinition Height=\"25\" \/>\r\n                <RowDefinition Height=\"25\" \/>\r\n                <RowDefinition Height=\"25\" \/>\r\n                <RowDefinition Height=\"25\" \/>\r\n                <RowDefinition Height=\"25\" \/>\r\n                <RowDefinition Height=\"25\" \/>\r\n            <\/Grid.RowDefinitions>\r\n            <Grid.ColumnDefinitions>\r\n                <ColumnDefinition Width=\"Auto\"\/>\r\n                <ColumnDefinition Width=\"Auto\"\/>\r\n            <\/Grid.ColumnDefinitions>\r\n            <TextBlock Grid.Row=\"0\" Grid.Column=\"0\" Style=\"{StaticResource  LabelStyle}\">Last name<\/TextBlock>\r\n            <TextBox HorizontalAlignment=\"Left\" Grid.Row=\"0\" Grid.Column=\"1\" Width=\"350\" Margin=\"10, 0, 5, 0\" Text=\"{Binding DetailViewPerson.LastName, Mode=TwoWay}\"><\/TextBox>\r\n            <TextBlock Grid.Row=\"1\" Grid.Column=\"0\" Style=\"{StaticResource  LabelStyle}\">First name<\/TextBlock>\r\n            <TextBox HorizontalAlignment=\"Left\" Grid.Row=\"1\" Grid.Column=\"1\" Width=\"350\" Margin=\"10, 0, 5, 0\" Text=\"{Binding DetailViewPerson.FirstName, Mode=TwoWay}\"><\/TextBox>\r\n            <TextBlock Grid.Row=\"2\" Grid.Column=\"0\" Style=\"{StaticResource  LabelStyle}\">City<\/TextBlock>\r\n            <TextBox HorizontalAlignment=\"Left\" Grid.Row=\"2\" Grid.Column=\"1\" Width=\"350\" Margin=\"10, 0, 5, 0\" Text=\"{Binding DetailViewPerson.City, Mode=TwoWay}\"><\/TextBox>\r\n            <TextBlock Grid.Row=\"3\" Grid.Column=\"0\" Style=\"{StaticResource  LabelStyle}\">e-Mail<\/TextBlock>\r\n            <TextBox HorizontalAlignment=\"Left\" Grid.Row=\"3\" Grid.Column=\"1\" Width=\"350\" Margin=\"10, 0, 5, 0\" Text=\"{Binding DetailViewPerson.Email, Mode=TwoWay}\"><\/TextBox>\r\n            <Grid Grid.Row=\"5\" Grid.Column=\"1\" HorizontalAlignment=\"Center\">\r\n                <Grid.ColumnDefinitions>\r\n                    <ColumnDefinition Width=\"Auto\"\/>\r\n                    <ColumnDefinition Width=\"Auto\"\/>\r\n                    <ColumnDefinition Width=\"Auto\"\/>\r\n                    <ColumnDefinition Width=\"Auto\"\/>\r\n                <\/Grid.ColumnDefinitions>\r\n                <Button Grid.Row=\"1\" Width=\"100\" Grid.Column=\"0\" Command=\"{Binding CommandPersonNew}\">New<\/Button>\r\n                <Button Grid.Row=\"1\" Width=\"100\" Grid.Column=\"1\" Command=\"{Binding CommandPersonDiscard}\">Discard<\/Button>\r\n                <Button Grid.Row=\"1\" Width=\"100\" Grid.Column=\"2\" Command=\"{Binding CommandPersonDelete}\">Delete<\/Button>\r\n                <Button Grid.Row=\"1\" Width=\"100\" Grid.Column=\"3\" Command=\"{Binding CommandPersonSave}\">Save<\/Button>\r\n            <\/Grid>\r\n        <\/Grid>\r\n    <\/Grid>\r\n<\/Window><\/pre>\n
And finally here<\/a> you find the zipped project.<\/p>","protected":false},"excerpt":{"rendered":"
It seems that PRISM technology will be favorized by implementing Wpf, Silverlight or Windows Phone 7 applications. My personal opinion is that the current development state of PRISM needs too much manual development effort for realizing a project. Some automated goodies would be needed for PRISM hardly. But I think they would be realized and […]<\/p>\n","protected":false},"author":1,"featured_media":509,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ngg_post_thumbnail":0,"footnotes":""},"categories":[10,7],"tags":[18,19],"class_list":["post-34","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-c","category-wpf","tag-mvvm","tag-prism"],"yoast_head":"\nM-V-VM with PRISM - Developer Cookies Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.developercookies.net\/de\/m-v-vm-with-prism\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"M-V-VM with PRISM - Developer Cookies Blog\" \/>\n<meta property=\"og:description\" content=\"It seems that PRISM technology will be favorized by implementing Wpf, Silverlight or Windows Phone 7 applications. 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My personal opinion is that the current development state of PRISM needs too much manual development effort for realizing a project. Some automated goodies would be needed for PRISM hardly. 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