Questions on UI for WPF Forum

12 answers

626 views

RadGridView allows entry into edit mode for disabled cells by typing characters

The default grid seems to allow you to enter edit mode by typing a character (mouse clicks don't work) when the editor is disabled. Not only is this inconsistent behavior, but converters can end up throwing exceptions because of invalid input.

GridView

answered on 05 Sep 2013

1 answer

142 views

Using PivotGrid Engine for export only

Dear telerik,

I have a dataset and need to do some grouping, aggregates, etc, ..
The pivotgird does all that is needed. However for the export to work, the PivotGrid needs to be materialized (init) and shown before the export function returns any results. Is it possible to use the PivotEngine separately, to do the grouping and aggregating?

Kind Regards,
Boris

PivotGrid

answered on 05 Sep 2013

1 answer

216 views

error while removing the DocumentElement from section ?

Hi,

I am trying to remove some Document Element as Paragraph, Table, Images from section under RadRichTextBox .
But I want to implement the functionality which allow to add and remove the Document element on button click event.

Suppose I want to remove table from Section so Table having collection of Rows, Row having collection of Cells, Cell having collection of DocumentElement.

When I am get table from section and store it in local dictionary then table is come but not its inner collection like rows collection, cells collection (ie empty collection come), to solve this problem I have taken this values in my another collection.

But after got all the inner collection value I am trying to remove the DocumentElement from section it throws an exception and If I try to remove this DocuemntElement without getting his inner collection values then it removes normally.

reference code If I remove all comments then code thrown an error and with comment it run normally

Telerik.Windows.Documents.Model.Paragraph NextPara;

try {

Telerik.Windows.Documents.Model.Span spanbox = editor.Document.CaretPosition.GetCurrentSpanBox().AssociatedSpan;

if(spanbox.FontWeight==FontWeights.Bold && spanbox.ForeColor==Colors.Aqua)

{

Telerik.Windows.Documents.Model.Section currsect = editor.Document.CaretPosition.GetCurrentSectionBox().AssociatedSection;

Telerik.Windows.Documents.Model.Span currspan = editor.Document.CaretPosition.GetCurrentSpanBox().AssociatedSpan;

bool check = editor.Document.CaretPosition.MoveToNextInline();

bool c=editor.Document.CaretPosition.MoveToNextInline();

bool c1=editor.Document.CaretPosition.MoveToNextInline();

var documentelement = editor.Document.CaretPosition.GetCurrentParagraphBox();

if (documentelement != null && documentelement.GetType() == typeof(Telerik.Windows.Documents.Layout.ParagraphLayoutBox))

{

Telerik.Windows.Documents.Model.Paragraph para = documentelement.AssociatedParagraph;

spanbox.Tag = Guid.NewGuid().ToString();

string spantext = (para.Inlines.FirstOrDefault() as Telerik.Windows.Documents.Model.Span).Text;

if (!string.IsNullOrEmpty(spantext) && spantext == "[@[")

{

NextPara = para.NextSibling as Telerik.Windows.Documents.Model.Paragraph;

//var DocEle = new DocumentElementCollection(para);

//foreach (var item in para.Children)

//{

// DocEle.Add(item);

//}

currsect.Children.Remove(para);

//DocumentEleCollection.Add(DocEle);

while (NextPara !=null)

{

if (NextPara !=null && (NextPara.Inlines.FirstOrDefault() as Telerik.Windows.Documents.Model.Span).Text == "]@]")

{

//var DocEle2 = new DocumentElementCollection(NextPara);

//foreach (var item in NextPara.Children)

//{

// DocEle2.Add(item);

//}

currsect.Children.Remove(NextPara);

//DocumentEleCollection.Add(DocEle2);

break;

}

//var DocEle1 = new DocumentElementCollection(NextPara);

//foreach (var item in NextPara.Children)

//{

// DocEle1.Add(item);

//}

currsect.Children.Remove(NextPara);

//DocumentEleCollection.Add(DocEle1);

NextPara = NextPara.NextSibling as Telerik.Windows.Documents.Model.Paragraph;

}

catch (Exception ex)

{ }

RichTextBox

answered on 05 Sep 2013

1 answer

123 views

PDF edition

Hello, I'm pretty sure it's not possible, but still in cas I'm wrong I prefer to ask.

Is there any possibility to edit a PDF with a WPF Telerik control ?
The only thing that would be coming close to this is the template edition that change the physical aspect of the viewer. But those change are not reported to the final PDF saved.
The RichtextBox doesn't import PDF, so this is also a dead end.

The goal is to be able to insert images at specific positions (like a stamp).

Thanks in advance for your time and answer

PDFViewer

answered on 05 Sep 2013

1 answer

339 views

Check Box

hi all

i'm sorry to write this post under combo box i'm unable to create a new thread on check box so that i'm using it..

my RadGridView DataColumns contains footer with check boxes now if i check the 1st check box the other two should not accept to checked.

how to implement this in C#, siverlight application

Regards

ComboBox

answered on 05 Sep 2013

6 answers

521 views

[Solved] Change DragVisual while Dragging

Hi,

I'm using the DragDropManager, and it works quite fine, but I cannot seem to figure out how to change a DragVisual while Dragging.

the thing is, I have 2 different Dragging methods on an itemsControl : "internal" and "external".

For the "internal" one (i.e.: dragging one item around inside the itemsControl, like you do in your TileList), I'm setting the visual in the Draginitialize and it's fine.

but for the external one, I have a dragged object entering the itemsControl with its own dragVisual (and it should), then in the DragEnter handler, I do a few things (which work well) and I change the DragVisual, except... I cannot. I have not found a way to change the dragVisual in this handler.

how should I do this, using the DragDropManager ? (I have also looked at the other handlers, but the only one I can find something about the visual is the DragInitialize handler, and it is not fired, since the dragged object does not come from inside the itemsControl)

thanks

DragAndDrop

answered on 05 Sep 2013

0 answers

95 views

Dashbaord In WPF

Hi Friends,

We have done an application related on waste management. Shall you guide me for Dashboard design. We created SQL Server Cubes, How to integrate those things to WPF Controls.

Thanks,
Vinoth Xavier

General Discussions

asked on 05 Sep 2013

3 answers

138 views

DragDropManager update (RadDragAndDropManager )

Hi,

I was previously using RadDragAndDropManager and in AddDragQueryHandler i was locating the source
element that was dragged and using e.Options.Source from DragDropQueryEventArgs and based on some logic
i was enable/disable the drag. Now i am using the DragDropManger and i see i dont have access to e.Options.Source
object.

So let me know how can i find the source element (UI) and may be the mouse position from where the drag started that can help
fix the upgrade to DragDropManager.

Thanks
Raghu

DragAndDrop

answered on 05 Sep 2013

1 answer

177 views

Error : FromElement must not be null

Hi,

I am trying to remove table from blocks so above error message comes and table not able to remove.

my code

Telerik.Windows.Documents.Model.Span spanbox = editor.Document.CaretPosition.GetCurrentSpanBox().AssociatedSpan;

StyleDefinition expansionstyle = new StyleDefinition();

expansionstyle.SpanProperties = new SpanProperties() { FontWeight = FontWeights.SemiBold, ForeColor = Colors.Brown };

if (spanbox.FontWeight == FontWeights.SemiBold && spanbox.ForeColor == Colors.Brown)

{

Telerik.Windows.Documents.Model.Section currsect = editor.Document.CaretPosition.GetCurrentSectionBox().AssociatedSection;

bool check = editor.Document.CaretPosition.MoveToNextInline();

var documentelement = editor.Document.CaretPosition.GetCurrentTableBox();

if (documentelement!=null && documentelement.GetType() == typeof(TableLayoutBox))

{

spanbox.Tag = Guid.NewGuid().ToString();

//var tableStyle = editor.Document.StyleRepository["TableGrid"] as StyleDefinition;

Telerik.Windows.Documents.Model.Table tbl = documentelement.AssociatedTable;

if (tbl != null)

{

TableHelper Thelp = new TableHelper();

Thelp.TableReferenceId = spanbox.Tag;

foreach (Telerik.Windows.Documents.Model.TableRow c in tbl.Rows)

{

TableRowHelper rowhelper = new TableRowHelper();

foreach (Telerik.Windows.Documents.Model.TableCell cell in c.Cells)

{

TableCellHelper cellhepl = new TableCellHelper();

foreach (DocumentElement block in cell.Blocks)

{

DocumentElementCollection docelement = new DocumentElementCollection(block);

foreach (var item in block.Children)

{

docelement.Add(item);

}

cellhepl.DocumentElementCollection.Add(docelement);

}

rowhelper.TableCellCollection.Add(cellhepl);

}

Thelp.TableRowHelperCollection.Add(rowhelper);

}

TableHelpCollection.Add(Thelp);

ExpandedColl.Add(spanbox.Tag, tbl);

//stylecoll.Add(spanbox.Tag, tableStyle);

}

styles.Add(spanbox.Tag, documentelement.AssociatedTable.Style);

currsect.Blocks.Remove(tbl);

//editor.Document.StyleRepository.Add(tableStyle);

}

how to resolve this error

RichTextBox

answered on 04 Sep 2013

12 answers

302 views

[Solved] TreeLayout does not work for custom connectors

I have a custom connection class as shown below. I have removed the 5 connectors of my nodes ("Auto", "Left", "Right", "Top", "Bottom") and added my own connectors "In" and "Out".

public class MyChartConnection : RadDiagramConnection
{
    public MyChartConnection(MyLink link)
        : base()
    {
        SourceConnectorPosition = /*ConnectorPosition.Auto*/ "in";
        SourceCapType = link.SourceCapType;

        TargetConnectorPosition = /*ConnectorPosition.Auto*/ "out";
        TargetCapType = link.TargetCapType;
    }
}

This crashes when I try to apply your TreeLayout(). Apparently, it cannot find the "Bottom" connector... Should I use another layout class? Do I have to implement my own layout class?

Diagram

answered on 04 Sep 2013