wpg Forum Rss Feed

New Post: ComboBox

damir3003 — Fri, 28 Dec 2012 09:19:30 GMT

How do I use a combobox in a propertygrid without using enum, for string property that i want to limit to a few choices but to enabled free-form entry?
Any suggestions?

New Post: Dynamic Categories?

anejad — Mon, 29 Oct 2012 14:18:02 GMT

Is it possible to have dynamic categories?

Depending on the data imported to program, I need to create property grid with different categories. Any ideas?

Thanks

New Post: Add validation routine for a field

ranacseruet — Tue, 25 Sep 2012 06:17:44 GMT

Hi, for a property grid class, I want to limit the values that its field may contain. Can you please give me some idea, how to achieve that please? Thanks.

New Post: Working with List

sumus17 — Wed, 25 Jul 2012 20:46:40 GMT

Hi everybody,

I cannot make the following class work with WPG.

    public class Person
    {
        public string FirstName { get; set; }
        public string SecondName { get; set; }
        public int Age { get; set; }
        
        public List<Point> Curve { get; set; }


        public Person()
        {
            Curve = new List();
        }

    }

    public class Point
    {
        public double X { get; set; }
        public double Y { get; set; }
    }

I went through all discussion, and kind of understand where I have to make changes. Spent whole day, with no result. Could anybody help me with it?

I tried to use approach with IList (from one of the discussions here), but it doesn't work with CollectionEditorControl... Maybe I'm doing somethung wrong, maybe some required attributes are missing... Not sure.

I also ready to use strong types instead of T, say this Point class can be hardcoded to WPG. It's not a problem for me (however it's not beautiful). I work on app where I need to represent only few different types.

Thank you.

New Post: openFile property

mAmged — Sat, 07 Jul 2012 19:48:50 GMT

I want to create a customized property when I click on its value-which is button- OpenFileDialogue appears to select the file and return file path to that property.

thank you.

New Post: Property validation, IDataErrorInfo "Instance"

RafaelNadal — Mon, 02 Jul 2012 12:53:15 GMT

Hi hisss,

Thanks for your help...

-Rafael

New Post: Property validation, IDataErrorInfo "Instance"

hisss — Fri, 29 Jun 2012 09:03:10 GMT

Hello Rafael,

I will start from down down to up the last piece of code has number 1:

1. piece is located should be located in WPGTemplates.xaml (Themes/THEME/WPGTemplates.xaml)

This piece causes that default template (textbox) starts normal wpf validation. Before that there was only ExceptionValidateRule or nothing. I wanted to use DataErrorValidationRule.

2. You should add this to other editors templates if you want to use them. again in WPGTemplates.xaml or in custom templates. It is standard in WPF.

3. I wanted to create form, that you can't close until your property grid is valid. So if you want to do something like that, just add this code to the propertyGrid.cs and bind for example enabled property of "ok" button to IsValid property.

4. This is implementation of IDataErrorInfo interface on "Property" class. It causes validation only if yours instance object implements IDataErrorInfo.

So Example: Just add this code to the concreate files (WPGTemplates.xaml, PropertyViewModel, PropertyGrid. And try to show any object which implements IDataErrorInfo interface. If you have any validation error there yours textxtboxes appears "red" bordered.

Actualy i stopped using WPG. I don't want to write to this forum the reasons. if you want to know my reasons, and solution write me an email:

\P\E\T\E\R\.\L\A\P\I\N\.\1\1\8\@\G\M\A\I\L\.\C\O\M

WITHOUT SLASHES...

New Post: Property validation, IDataErrorInfo "Instance"

RafaelNadal — Fri, 29 Jun 2012 07:44:19 GMT

Hi,

I am a newbie.. Could u please explain everything fully rather than telling it in parts.. I dont know where to put the data template that u mentioned in this discussion. It would be nice if u explain the above code through a simple example again..

Thanks,

Nadal

New Post: Style Does Not Seem To Set

etoraaso — Thu, 29 Mar 2012 00:44:55 GMT

Ok...So I do know that for example the PropertyGrid.xaml can have its colors changed from the Brush ResourceId to raw colors and I can see the difference. However, I am still a little bit stumped as to what is going on. Apparently, I don't get anything out of the Brush Xaml file. I guess I will have to look and see why but for now I'm not sure.

Thanks much.

Erik

New Post: Style Does Not Seem To Set

etoraaso — Thu, 29 Mar 2012 00:30:10 GMT

It may have something to do with the Brushes having their colors contain Hex values? I have been playing with other controls and using the Color set for say a background will not work with "#FFFFFFFF" but does for the explicit "Black" (I tried both a SolidColorBrush and the raw Color). Anyways, I wonder if I'm missing a TypeConverter or something? Changing the Brushes to use a Color string instead of the Hex value didn't seem to work either so the hook into that file seems to be broken somehow. I changed many of them to a single Color (Green) and everything is still white. That must be the "At least we tried" style I guess.

Anyways, I'll post if I find anything else. Thanks much.

Erik

New Post: Style Does Not Seem To Set

etoraaso — Wed, 28 Mar 2012 23:20:21 GMT

Hello all,

I am using .Net 4.0 with the Expression Blend version and while my property grid looks pretty decent, I am not getting any colors. I'm not sure if I should be expecting the black expression blend image on the Home page, but something appears to be wrong. I would like to customize the feel but it seems that any changes I make in my Brushes.xaml page don't seem to change anything. Is there something I need to do to activate it?

I checked out the version right before it was converted back to .Net 3.5 and I am using VS 2010. I did have to change some things to make mine work but they didn't take too long to track down. (Changes: Add in the Generic.xaml/ExpressionBlend.xaml into my own App.xaml. Update some of the paths in the MergedDictionaries to account for my project name rather than the included Demo project. Had to add the trick to get my project to be able to resolve the Dictionaries in my app.xaml file...notice the snippet at the bottom with the dummy style.

Anyways, any help would be much appreciated. The Grid looks great and I am curious how active anyone is here. I figure if my grid is able to locate the other Xaml files that correspond to the different Windows Controls, it should be able to find the Brushes file. Additionally, I would expect my app to have an error if it were unable to resolve an Id for a specific brush. Anyways, seems strange to me.

Erik

Snippet Mentioned Above (In my App.xaml):

New Post: use the property grid with .Net 4.0 WF Activities like this

brantheman — Thu, 22 Mar 2012 14:39:07 GMT

I did figure out how to use the fade-out editor that the default grid uses. Here is some sample code:

using System.Activities.Presentation.PropertyEditing;
using System.Reflection;
using System.Windows;
using System.Windows.Data;
using Company.Services;
using Company.Units;

namespace Company.Ui.Wpf.Converters
{
	public class UnitOfMeasureEditor: PropertyValueEditor
	{
		public UnitOfMeasureEditor()
		{
			var type = typeof(PropertyValueEditor).Assembly.GetType("System.Activities.Presentation.Internal.PropertyEditing.Automation.AutomatedChoiceEditor", true, false);
			var itemSourceProperty = (DependencyProperty)type.BaseType.GetField("ItemsSourceProperty", BindingFlags.Public | BindingFlags.Static).GetValue(null);
			var itemValueProperty = (DependencyProperty)type.BaseType.GetField("ValueProperty", BindingFlags.Public | BindingFlags.Static).GetValue(null);

			var lbfac = new FrameworkElementFactory(type);

			var sourceBinding = new Binding();
			sourceBinding.Mode = BindingMode.OneTime;

			var um = ServiceRegistry.Get<UnitsManager>();
			sourceBinding.Source = um.AllUnits;

			lbfac.SetBinding(itemSourceProperty, sourceBinding);

			var valueBinding = new Binding("Value");
			valueBinding.Mode = BindingMode.TwoWay;

			lbfac.SetBinding(itemValueProperty, valueBinding);

			var dt = new DataTemplate();
			dt.VisualTree = lbfac;

			InlineEditorTemplate = dt;
		}
	}
}

New Post: ould not load file or assembly 'WPG, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified.

ofimbres — Sun, 04 Mar 2012 03:54:27 GMT

Hi there.

I'm using PRISM and this new control which. While I was testing the DEMO, it was everthing going well. But since I used PRISM, if I put the control in a Shell, also goes well, but if I put the control in a Module, it throws an error.

Could not load file or assembly 'WPG, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified.

Someone knows why it show me this exception?

http://i.stack.imgur.com/n6Ffh.png

New Post: Row height issues

smurfiv — Tue, 21 Feb 2012 19:13:36 GMT

It also gets worse if you use a font that is bigger as well.

New Post: Name/ Value width

smurfiv — Tue, 21 Feb 2012 19:11:48 GMT

Adjust the "NameWidth" in the Other category, when in the designer.

New Post: Hide search box

smurfiv — Tue, 21 Feb 2012 19:08:46 GMT

Yes I have done this, and the type property as well (I'll post a Patch sometime)

Here are the details for PropertyGrid.cs

        #region Show Search Property

        /// <value>Identifies the ShowSearch dependency property</value>
        public static DependencyProperty ShowSearchProperty =
            DependencyProperty.Register("ShowSearch", typeof(bool), typeof(PropertyGrid),
                                        new FrameworkPropertyMetadata(false));

        /// <value>description for ShowSearch property</value>
        public bool ShowSearch
        {
           get { return (bool)GetValue(ShowSearchProperty); }
           set { SetValue(ShowSearchProperty, value); }
        }

        #endregion

        #region Show Type Property

        /// <value>Identifies the ShowType dependency property</value>
        public static DependencyProperty ShowTypeProperty =
            DependencyProperty.Register("ShowType", typeof(bool), typeof(PropertyGrid),
                                        new FrameworkPropertyMetadata(false));

        /// <value>description for ShowType property</value>
        public bool ShowType
        {
           get { return (bool)GetValue(ShowTypeProperty); }
           set { SetValue(ShowTypeProperty, value); }
        }

        #endregion

And here are the details for PropertyGrid.Xaml (I'm sure you will be able to work out their locations)

								<DockPanel Grid.Column="0">
                              <DockPanel DataContext="{TemplateBinding local:PropertyGrid.ShowType}" DockPanel.Dock="Top" Margin="6 2 0 4">
										<TextBlock DockPanel.Dock="Left" Name="PART_InstanceType" FontWeight="Bold" Style="{DynamicResource {ComponentResourceKey TypeInTargetAssembly={x:Type local:PropertyGrid}, ResourceId=TextBlockStyle}}"></TextBlock>
										<TextBlock Width="6" DockPanel.Dock="Left" Style="{DynamicResource {ComponentResourceKey TypeInTargetAssembly={x:Type local:PropertyGrid}, ResourceId=TextBlockStyle}}">:</TextBlock>
										<TextBlock DockPanel.Dock="Left" Name="PART_InstanceName" Style="{DynamicResource {ComponentResourceKey TypeInTargetAssembly={x:Type local:PropertyGrid}, ResourceId=TextBlockStyle}}"></TextBlock>
                                 <DockPanel.Visibility>
                                    <Binding>
                                       <Binding.Converter>
                                          <BooleanToVisibilityConverter />
                                       </Binding.Converter>
                                    </Binding>
                                 </DockPanel.Visibility>
                              </DockPanel>
...
...
...
                                <TextBox DataContext="{TemplateBinding local:PropertyGrid.ShowSearch}" DockPanel.Dock="Left" Margin="8 0 8 0" Style="{DynamicResource {ComponentResourceKey TypeInTargetAssembly={x:Type local:PropertyGrid}, ResourceId=SearchTextBoxStyle}}" Text="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=Filter, UpdateSourceTrigger=PropertyChanged}">
                                    <TextBox.Visibility>
                                       <Binding>
                                          <Binding.Converter>
                                             <BooleanToVisibilityConverter />
                                          </Binding.Converter>
                                       </Binding>
                                    </TextBox.Visibility>
                                 </TextBox>
									</DockPanel>

New Post: Hide search box

lsdisciples — Fri, 03 Feb 2012 03:52:31 GMT

hi,

Is there a way to Hide the search Box?

Thanks

New Post: Is WPG ComboBoxItem style in ComboBox.xaml unused?

linguohua — Mon, 12 Dec 2011 22:59:51 GMT

Dear every one:

when I use WPG with these code:

public enum ServiceState { UnSpecific, Launch, Initializing, Running, Stop, }

public class Service

{

public ServiceState State

{

get;

private set;

}

set the Service object to WPF's Instance property, then I found it WPG's ComboBox that correspond State property of the Service object

can be select-able(I thought it can't be select-able cause the State property is read only), and when you select a new value, WPG will crash

and the exception is StackOverflow.

So, I try to modify the ComboBoxItem style defines in ComboBox.xaml, add one line code just for test:

But nothing is changed.

Could some one help me? many thanks for any help.

New Post: Collections editors and other objects ?

lsdisciples — Mon, 14 Nov 2011 16:49:06 GMT

Is there a way to show all collections include in an object displayed in the WPF propertyGrid ? The classname is shown instead of the button to access to the collection.

- Is it because the WPG need some config to be able to display the "collection" (All the editors)

- Is there a commercial WPF propertyGrid who can display ***ALL**** the properties using a kind of collection editor (JUST LIKE IN VISUAL STUDIO when creating a control)

I need to use a propertyGrid in WPF (very similar to VisualStudio WPG) to display mostly WPF controls properties,

Thanks for any help

Mike

New Post: Property validation, IDataErrorInfo "Instance"

hisss — Thu, 01 Sep 2011 12:52:52 GMT

Problem definition:

I wanted to validate fields in WPG
I didn't want to make big changes in WPG implementation
I wanted to put WPG into "OK|Cancel" dialog and disable "OK" button if values in property grid are not valid.
Instance of my edited object implements IDataErrorInfo

Here is my Solution:

Implementation IDataErrorInfo on Property.
Implementation IsValid and Error on PropertyGrid.
Set validation rules for bindings in Templates.

Implementation:

Implementation IDataErrorInfo on Property

		#region IDataErrorInfo Members

		public string Error
		{
			get 
			{
				if (this._instance is IDataErrorInfo)
				{
					return (_instance as IDataErrorInfo).Error;
				}
				else 
					return null;
			}
		}

		public string this[string columnName]
		{
			get 
			{
				if (this._instance is IDataErrorInfo)
				{
					return (_instance as IDataErrorInfo)[this._property.Name];
				}
				else
					return null;
			}
		}

		#endregion

Implementation IsValid and Error on PropertyGrid

In PropertyGrid i need to know about every change in my internal Instance to provide global "IsValid" and "Error" property. So I Added this code snippet to PropertyGrid.

        /// <summary>
        /// Invoked on Instance change.
        /// </summary>
        /// <param name="d">The object that was changed</param>
        /// <param name="e">Dependency property changed event arguments</param>
        private static void OnInstanceChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            var propertyGrid = d as PropertyGrid;

            propertyGrid.SelectedProperty = null;

            propertyGrid.Refresh();

            propertyGrid.RaiseInstanceChanged();

            //My method. Hook to new instance
            propertyGrid.InstanceObjectChanged(e.NewValue, e.OldValue);
            
            //First time initialize an Error
            propertyGrid.InstancePropertyChanged(propertyGrid.Instance, null);
        }

        /// <summary>
        /// Registers my PropertyChanged event listener to Instance object.
        /// Unregisters my PropertyChaned event listener from old Instance.
        /// </summary>
        private void InstanceObjectChanged(object newInstace, object oldInstance)
        {
            if (newInstace is INotifyPropertyChanged)
            {
                (newInstace as INotifyPropertyChanged)
                    .PropertyChanged += InstancePropertyChanged;
            }

            if (oldInstance is INotifyPropertyChanged)
            {
                (newInstace as INotifyPropertyChanged)
                    .PropertyChanged -= InstancePropertyChanged;
            }
        }

        /// <summary>
        /// Change the Error property.
        /// </summary>
        void InstancePropertyChanged(object sender, PropertyChangedEventArgs e)
        {
            this.Error = Instance is IDataErrorInfo ?
                     (Instance as IDataErrorInfo).Error :
                     string.Empty;
        }


        #region IsValid Dependency Property
        
        public bool IsValid
        {
            get { return (bool)GetValue(IsValidProperty); }
            set { SetValue(IsValidProperty, value); }
        }

        public static readonly DependencyProperty IsValidProperty = 
            DependencyProperty.Register("IsValid", typeof(bool), typeof(PropertyGrid), new UIPropertyMetadata(true));

        #endregion

        #region Error Dependency Property
        public string Error
        {
            get { return (string)GetValue(ErrorProperty); }
            set { SetValue(ErrorProperty, value); }
        }

        public static readonly DependencyProperty ErrorProperty = 
            DependencyProperty.Register("Error", typeof(string), typeof(PropertyGrid), new UIPropertyMetadata(string.Empty, OnErrorChanged));

        //When Error changes we need to change IsValid property
        private static void OnErrorChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            PropertyGrid pg = d as PropertyGrid;
            if (pg.Instance is IDataErrorInfo)
            {
                pg.IsValid = string.IsNullOrEmpty((pg.Instance as IDataErrorInfo).Error);
            }
        }
        #endregion

Set validation rules for bindings in Templates.

Finally i needed to set Validation rules to Templates to show error templates on every field:

                    <Binding.ValidationRules>
                        <DataErrorValidationRule/>
                        <ExceptionValidationRule/>
                    </Binding.ValidationRules>

on every template: Here is for example "default" template:

	<DataTemplate x:Key="{ComponentResourceKey TypeInTargetAssembly={x:Type local:PropertyGrid}, ResourceId=default}">
		<TextBox IsReadOnly="{Binding Path=IsReadOnly}" Style="{DynamicResource {ComponentResourceKey TypeInTargetAssembly={x:Type local:PropertyGrid}, ResourceId=TextBoxStyle}}">
			<TextBox.Text>
				<Binding Mode="TwoWay" Path="Value">
					<Binding.ValidationRules>
						<DataErrorValidationRule/>
						<ExceptionValidationRule/>
					</Binding.ValidationRules>
				</Binding>
			</TextBox.Text>
		</TextBox>
	</DataTemplate>