Questions on UI for WPF Forum

1 answer

70 views

Selection with VirtualGrid not working in "Multiple" selection mode

I ran into this problem when experimenting with VirtualGrid, but trying to work with Multiple selection mode seems completely broken. I have even created a new project from scratch and only imported the following packages:

telerik.windows.controls.for.wpf.xaml (2024.3.924)
telerik.windows.controls.virtualgrid.for.wpf.xaml (2024.3.924)

My MainWindow.xaml looks like:

<Window x:Class="TestVirtGrid.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:TestVirtGrid"
        xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation" 
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="*"/>
            <RowDefinition Height="50"/>
        </Grid.RowDefinitions>
        <telerik:RadVirtualGrid x:Name="VirtGrid" CanUserEdit="False" Grid.Row="0" SelectionMode="Multiple" SelectionUnit="Row" />
        <Button Grid.Row ="1" Content="amon"/>
    </Grid>
</Window>

The code-behind looks like:

using System.Collections.ObjectModel;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Telerik.Windows.Controls.VirtualGrid;

namespace TestVirtGrid
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();

            ObservableCollection<Test> list = [];
            for (int i = 0; i < 20; i++)
                list.Add(new Test() { a = i, b = i });
            VirtGrid.DataProvider = new DataProvider(list);
        }

    }
    public class Test
    {
        public int a { get; set; }
        public int b { get; set; }
    }
}

When running the application, I'm able to select rows, but deselecting is clearly not working as intended. When I try to deselect, it often just completely fails to do so. Sometimes (like, 1 in 5 tries?) it does end up deselecting the row.

If there's something I've done wrong here, please let me know, otherwise I'd like to get some confirmation that this module doesn't work.

VirtualGrid

answered on 09 Oct 2024

1 answer

31 views

CloudUpload return an error

Hey guys,

I'm currently using the CloudUpload to upload files to an internal server.
This happens over multiple single steps in clsDaten.UploadReklamationsDateienKEMdoc.
This would return a true if succesfull uploaded and a false, as well as an error message if not.
I now want to show this error message in the interface and an Error sign instead of the succesfull check.
But I dont find anywhere how.

Does anyone have an idea?

Greetings Benedikt

    public class clsCloudUploadProvider : ICloudUploadProvider
    {
		long uploadFilesCount = 0;

		clsReklamation Reklamation;

		public Task<object> UploadFileAsync(string fileName, Stream fileStream, CloudUploadFileProgressChanged uploadProgressChanged, CancellationToken cancellationToken)
		{
			return Task.Factory.StartNew<object>(() => UploadFile(fileName, fileStream, uploadProgressChanged, cancellationToken), cancellationToken);
		}

		private object UploadFile(string fileName, Stream fileStream, CloudUploadFileProgressChanged uploadProgressChanged, CancellationToken cancellationToken)
		{
			this.uploadFilesCount++;
			var fileLength = fileStream.Length;

			uploadProgressChanged(fileLength);

			object[] ImportState = Import(fileStream, fileName);

			if ((bool)ImportState[0])
			{
				return fileName;
			}
			else
			{
				return null;
            }
		}

		public object[] Import(Stream filestream, string filename)
		{
			return clsDaten.UploadReklamationsDateienKEMdoc(Reklamation, (filestream as FileStream).Name);
		}

		public clsCloudUploadProvider(clsReklamation reklamation)
		{
			Reklamation = reklamation;
		}
	}

CloudUpload

answered on 08 Oct 2024

1 answer

35 views

Ctrl+End on the RadVirtualGrid

Our application has a RadVirtualGrid that can be much wider than the window (so it scrolls). Our SelectionUnit is set to "Row". But when I hit Ctrl + End the grid not only jumps to the last row, but also scrolls the last column into view. It seems to me that if the SelectionUnit is "Row" the control should just jump to the last row and not change the column or scroll status at all. I guess the same thing is true about ctrl+Home to go to the top. Anyone agree?

Thanks!

Nathan

VirtualGrid

answered on 07 Oct 2024

1 answer

45 views

RadDocument CaretPosition Exception: inline does not belong to this document

Hi,

We are getting an exception when trying to set the CaretPosition in a RadDocument.

The Document is created in code:

        public void PurchaseTemplate()
        {
            try
            {
                RadDocumentEditor editor = new RadDocumentEditor(doc_text.Document);
                string[] rowName = new string[] { "Make", "Model", "Technical Spec.", "Order No.", "Date Ordered", "Date Delivered", "Price", "Payment Method", "Supplier", "Tel.", "Other Details", "Manufacturer", "Tel.", "Other Details", "Guarantee", "Period", "Expiry Date", "Notes" };

                TableWidthUnit w1 = new TableWidthUnit(180);    // Date
                TableWidthUnit w2 = new TableWidthUnit(500);    // Day

                TableCell cell1 = new TableCell();
                TableCell cell2 = new TableCell();

                TableRow row = new TableRow();
                Paragraph p1 = new Paragraph();
                Span s1 = new Span();
                string subject = " ";
                if (_selelement != null)
                {
                    subject = _selelement.GetAttribute("title");
                }


                Table table = new Table();
                table.StyleName = RadDocumentDefaultStyles.DefaultTableGridStyleName;
                table.Tag = "5000";
                table.Rows.ElementAdded += doc_text_DiaryChanged;

                cell1.Background = Color.FromRgb(242, 219, 219);
                cell1.PreferredWidth = w1;
                cell1.Padding = new Telerik.Windows.Documents.Layout.Padding(3, 6, 3, 6);
                s1.FontWeight = FontWeights.Bold;
                s1.FontFamily = new FontFamily(CGlobals.docu_default_font);
                s1.FontSize = Unit.PointToDip(CGlobals.docu_default_font_size);
                s1.Text = "Item";
                p1.Inlines.Add(s1);
                cell1.Blocks.Add(p1);

                p1 = new Paragraph();
                s1 = new Span();
                cell2.Background = Color.FromRgb(242, 219, 219);
                cell2.PreferredWidth = w2;
                cell2.Padding = new Telerik.Windows.Documents.Layout.Padding(3, 6, 3, 6);
                s1.FontWeight = FontWeights.Bold;
                s1.FontFamily = new FontFamily(CGlobals.docu_default_font);
                s1.FontSize = Unit.PointToDip(CGlobals.docu_default_font_size);
                s1.Text = subject;
                p1.Inlines.Add(s1);
                cell2.Blocks.Add(p1);

                row.Cells.Add(cell1);
                row.Cells.Add(cell2);
                table.Rows.Add(row);
                int nRow = 0;
                foreach (string name in rowName)
                {
                    row = new TableRow();
                    cell1 = new TableCell();
                    cell2 = new TableCell();
                    switch (nRow)
                    {
                        default:
                            p1 = new Paragraph();
                            s1 = new Span();
                            cell1.Background = Color.FromRgb(255, 255, 255);
                            cell1.PreferredWidth = w1;
                            cell1.Padding = new Telerik.Windows.Documents.Layout.Padding(3, 6, 3, 6);
                            s1.FontWeight = FontWeights.Bold;
                            s1.FontFamily = new FontFamily(CGlobals.docu_default_font);
                            s1.FontSize = Unit.PointToDip(CGlobals.docu_default_font_size);
                            s1.Text = name;
                            p1.Inlines.Add(s1);
                            cell1.Blocks.Add(p1);

                            p1 = new Paragraph();
                            s1 = new Span();
                            cell2.Background = Color.FromRgb(255, 255, 255);
                            cell2.PreferredWidth = w2;
                            cell2.Padding = new Telerik.Windows.Documents.Layout.Padding(3, 6, 3, 6);
                            s1.FontFamily = new FontFamily(CGlobals.docu_default_font);
                            s1.FontSize = Unit.PointToDip(CGlobals.docu_default_font_size);
                            s1.Text = " ";
                            p1.Inlines.Add(s1);
                            cell2.Blocks.Add(p1);

                            row.Cells.Add(cell1);
                            row.Cells.Add(cell2);
                            table.Rows.Add(row);
                            break;
                        case 9:
                        case 10:
                        case 12:
                        case 13:
                        case 15:
                        case 16:
                            DocumentList bullets = new DocumentList(DefaultListStyles.Bulleted, doc_text.Document);
                            p1 = new Paragraph();
                            s1 = new Span();
                            cell1.Background = Color.FromRgb(255, 255, 255);
                            cell1.PreferredWidth = w1;
                            cell1.Padding = new Telerik.Windows.Documents.Layout.Padding(3, 6, 3, 6);
                            s1.FontFamily = new FontFamily(CGlobals.docu_default_font);
                            s1.FontSize = Unit.PointToDip(CGlobals.docu_default_font_size);
                            s1.Text = name;
                            p1.Inlines.Add(s1);
                            bullets.AddParagraph(p1);
                            cell1.Blocks.Add(p1);

                            p1 = new Paragraph();
                            s1 = new Span();
                            cell2.Background = Color.FromRgb(255, 255, 255);
                            cell2.PreferredWidth = w2;
                            cell2.Padding = new Telerik.Windows.Documents.Layout.Padding(3, 6, 3, 6);
                            s1.FontFamily = new FontFamily(CGlobals.docu_default_font);
                            s1.FontSize = Unit.PointToDip(CGlobals.docu_default_font_size);
                            s1.Text = " ";
                            p1.Inlines.Add(s1);
                            cell2.Blocks.Add(p1);

                            row.Cells.Add(cell1);
                            row.Cells.Add(cell2);
                            table.Rows.Add(row);
                            break;
                        case 17:
                            p1 = new Paragraph();
                            s1 = new Span();
                            cell1.Background = Color.FromRgb(255, 255, 255);
                            cell1.PreferredWidth = w1;
                            cell1.Padding = new Telerik.Windows.Documents.Layout.Padding(3, 6, 3, 6);
                            cell1.RowSpan = 7;
                            s1.FontWeight = FontWeights.Bold;
                            s1.FontFamily = new FontFamily(CGlobals.docu_default_font);
                            s1.FontSize = Unit.PointToDip(CGlobals.docu_default_font_size);
                            s1.Text = name;
                            p1.Inlines.Add(s1);
                            cell1.Blocks.Add(p1);

                            p1 = new Paragraph();
                            s1 = new Span();
                            cell2.Background = Color.FromRgb(255, 255, 255);
                            cell2.PreferredWidth = w2;
                            cell2.Padding = new Telerik.Windows.Documents.Layout.Padding(3, 6, 3, 6);
                            s1.FontFamily = new FontFamily(CGlobals.docu_default_font);
                            s1.FontSize = Unit.PointToDip(CGlobals.docu_default_font_size);
                            s1.Text = " ";
                            p1.Inlines.Add(s1);
                            cell2.Blocks.Add(p1);

                            row.Cells.Add(cell1);
                            row.Cells.Add(cell2);
                            table.Rows.Add(row);
                            for (int x = 0; x < 6; x++)
                            {
                                row = new TableRow();
                                cell2 = new TableCell();
                                p1 = new Paragraph();
                                s1 = new Span();
                                cell2.Background = Color.FromRgb(255, 255, 255);
                                cell2.PreferredWidth = w2;
                                cell2.Padding = new Telerik.Windows.Documents.Layout.Padding(3, 6, 3, 6);
                                s1.FontFamily = new FontFamily(CGlobals.docu_default_font);
                                s1.FontSize = Unit.PointToDip(CGlobals.docu_default_font_size);
                                s1.Text = " ";
                                p1.Inlines.Add(s1);
                                cell2.Blocks.Add(p1);
                                row.Cells.Add(cell2);
                                table.Rows.Add(row);
                            }
                            break;
                    }
                    nRow++;

                }
                editor.InsertTable(table);

                // Insert a field so we can identify the type of template
                //var cell = table.EnumerateChildrenOfType<TableCell>().FirstOrDefault();
                var cell = table.EnumerateChildrenOfType<TableCell>().FirstOrDefault();
                if (cell != null)
                {
                    DocumentPosition position = new DocumentPosition(doc_text.Document);
                    position.MoveToDocumentElementStart(cell.Blocks.First());
                    DocumentVariableField docVariable = new DocumentVariableField() { VariableName = "5000" };
                    editor.InsertField(docVariable);
                }
                doc_text.Document.DocumentVariables["5000"] = "";
                var field = doc_text.Document.EnumerateChildrenOfType<FieldRangeStart>().Where(x => x.Field.FieldTypeName == "DOCVARIABLE"
                && ((DocumentVariableField)x.Field).VariableName == "5000").FirstOrDefault();
                if (field != null)
                {
                    doc_text.UpdateField(field);
                }
                // Add the Datepickers
                var hrow5 = table.EnumerateChildrenOfType<TableRow>().ToList()[5];
                var hrow6 = table.EnumerateChildrenOfType<TableRow>().ToList()[6];
                var hrow17 = table.EnumerateChildrenOfType<TableRow>().ToList()[17];
                AddPurchaseDatePicker(table, hrow5);
                AddPurchaseDatePicker(table, hrow6);
                AddPurchaseDatePicker(table, hrow17);
            }
            catch (Exception e)
            {
                CGlobals cg = new CGlobals();
                cg.ShowError("TemplateHandler:PurchaseTemplate Error\n" + e.Message, 3);

            }
        }

We are then trying to insert a DateProperties into 3 cells in the table created using AddPurchaseDatePicker(Table, TableRow) :

        public void AddPurchaseDatePicker(Table table, TableRow row)
        {
            try
            {
                RadDocument document = doc_text.Document;
                RadDocumentEditor editor = new RadDocumentEditor(document);
                var dateCell = row.Cells.ToList()[1];
                DocumentPosition position = new DocumentPosition(document);
                string dateVal = string.Empty;

                var span = dateCell.EnumerateChildrenOfType<Span>().FirstOrDefault();
                if (span != null)
                {
                    dateVal = span.Text;
                    span.Text = " ";
                }
                position.MoveToDocumentElementStart(dateCell.Blocks.First());
                document.CaretPosition.MoveToPosition(position);
                editor.ChangeFontFamily(new FontFamily(CGlobals.docu_default_font));
                editor.ChangeFontSize(Unit.PointToDip(CGlobals.docu_default_font_size));
                DateProperties dataProperties = new DateProperties();
                try
                {
                    dataProperties.FullDate = DateTime.Parse(dateVal);
                }
                catch { }
               
                dataProperties.IsTemporary = false;
                dataProperties.StyleName = "TemplateFields";
                editor.InsertStructuredDocumentTag(dataProperties);
                doc_text.Document = document;
                table.Rows.ElementAdded += doc_text_NoteChanged;
            }
            catch { }
        }

When we try and set the CaretPosition with

document.CaretPosition.MoveToPosition(position);

we recieve the following exception:

System.InvalidOperationException
HResult=0x80131509
Message=inline does not belong to this document.
Source=Telerik.Windows.Controls.RichTextBox
StackTrace:
at Telerik.Windows.Documents.Model.RadDocument.GetContainingAnnotationRanges[TRangeStart](Inline inline, Predicate`1 filter, Boolean inclusive)
at Telerik.Windows.Documents.Model.RadDocument.GetContainingAnnotationRanges[TRangeStart](Inline inline, Boolean inclusive)
at Telerik.Windows.Documents.DocumentPosition.get_IsPositionInSkipPositionRange()
at Telerik.Windows.Documents.DocumentPosition.get_IsValidPosition()
at Telerik.Windows.Documents.DocumentPosition.Validator.EnsureValidPosition(DocumentPosition position, Func`1 shouldSearchForward)
at Telerik.Windows.Documents.DocumentPosition.OnPositionChanged()
at Telerik.Windows.Documents.Utils.SuspendChangingAndChangedActionCounter.InvokeChangedActionInternal()
at Telerik.Windows.Documents.Utils.SuspendChangingAndChangedActionCounter.InvokeChanged()
at Telerik.Windows.Documents.DocumentPosition.MoveToPosition(DocumentPosition newPosition)
at DocuPraxis.MainWindow.AddPurchaseDatePicker(Table table, TableRow row) in E:\Source\Repos\Panarc\DocuPraxisTel\DocuPraxis\DocuPraxisTemplateHandler.cs:line 1634

We are using a similar method to add DateProperties in other generated documents without problem, e.g.:

        public void AddNotesDatePicker(Table table, TableRow row)
        {
            try
            {
                RadDocument document = doc_text.Document;
                RadDocumentEditor editor = new RadDocumentEditor(document);
                var dateCell = row.Cells.ToList()[0];
                DocumentPosition position = new DocumentPosition(document);
                string dateVal = string.Empty;
                
                var span = dateCell.EnumerateChildrenOfType<Span>().FirstOrDefault();
                if (span != null)
                {
                    dateVal = span.Text;
                    if(String.IsNullOrEmpty(dateVal) || dateVal == " " )
                    {
                        dateVal = DateTime.Now.ToString("dd/MM/yyyy");
                    }
                    span.Text = " ";
                }
                position.MoveToDocumentElementStart(dateCell.Blocks.First());
                document.CaretPosition.MoveToPosition(position);
                editor.ChangeFontFamily(new FontFamily(CGlobals.docu_default_font));
                editor.ChangeFontSize(Unit.PointToDip(CGlobals.docu_default_font_size));
                DateProperties dataProperties = new DateProperties();
                dataProperties.FullDate = DateTime.Parse(dateVal);
                dataProperties.IsTemporary = false;
                dataProperties.StyleName = "TemplateFields";
                editor.InsertStructuredDocumentTag(dataProperties);
                doc_text.Document = document;
                table.Rows.ElementAdded += doc_text_NoteChanged;
            }
            catch { }
        }

What are we doing wrong?

RichTextBox

answered on 07 Oct 2024

0 answers

40 views

RadWindow not working after update

hi

I was using RadWindow as my main window.

it was correctly in the 2019 version but after updating to the new version the preview stopped showing.

What should I do to solve the problem?

------------------------------------------------

i found my answer in https://docs.telerik.com/devtools/wpf/controls/radwindow/how-to/use-radwindow-as-user-control

i must add

Style="{StaticResource RadWindowStyle}"

to radwindow prperty

Window

updated question on 06 Oct 2024

0 answers

43 views

RadPropertyGrid Should not refresh after filtering applied

Hi Team,

I need to stop refreshing once the filter is applied.

Example.I have lot of items in one panel ,If I selected item1 in that panel and applied filter in the RadPropertyGrid for some fields.

And then I will select sencond item in the grid.Now,the RadPropertyGrid should display the filtered fields but it showing entire fileds.

How to achieve this.

Or give me a solution to set the text for the searchasyoutype textbox from codebehind

PropertyGrid

asked on 04 Oct 2024

1 answer

34 views

How to point TreeMap TypeDefinition TargetTypeName to a type in different namespace

I was playing around with RadTreeMap and was able to show some data. I decided to move the newly classes for data and viewmodels around the project to the suitable locations. Now my TypeDefinitions can't recognize the names I am passing in. What's the format? How to point RadTreeMap TypeDefinition's TargetTypeName to a type in different namespace? And if that type lives in another Assembly f.e?

TreeMap and PivotMap

answered on 03 Oct 2024

1 answer

44 views

wpf desktop alert

hello
I used desktop alert. The height of my desktop alerts is different, and the sum of their height is sometimes higher than the height of the monitor. User closes Desktop Alert
And then it scrolls automatically and the rest is displayed.
1. How can I find out which Desktop Alert is being viewed by the user on the monitor and which Desktop Alert is not visible due to the large number of Desktop Alerts? Sometimes I want to close all the desktop alerts that the user sees on the monitor so that the rest is displayed, and so on.
2. If the number of desktop alerts is large and their total height is greater than the height of the monitor, is it possible to display the scroll so that the user can see the entire desktop alert by scrolling?

DesktopAlert

answered on 03 Oct 2024

1 answer

39 views

24 h Format for Drag Over Visual

When dragging over a timeslot in RadScheduleView. The Drag over visual showing the start and end times are always shown in 12h Format. Even though my PC locale is set to 24h format.

When dragging over the 15:00 slot, It shows 3PM and 5PM instead of 15:00 and 17:00. The timeruler correctly shows the same format as my PC locale but the drag over visual seems to always be 12h.

DragAndDrop

ScheduleView