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UI for WinForms Forum
2 answers
143 views

Hi,

I've been trying to find a way to disable the ability for a user to copy text or any content from a richtexteditor. I want to block any ability for shortcut keys or mouse clicking for copying content. Any help would be appreciated. Thanks!

J

Jeffrey
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Rank 1
 answered on 01 Nov 2018
2 answers
162 views
I was wondering if it’s possible to get more advanced formatting such as hollow (doughnut) points with an outline color (figure 1) or even more advanced formatting like using gradient and bevel properties in Excel (figure 2).
Melissa
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Rank 1
 answered on 01 Nov 2018
1 answer
61 views

Hey guys, is it possible to create a List of GridViewDataColumn avaliable at design time? Like u do in the GridRelations(attached), I've tried reading your TemplateCollectionEditor(at Telerik.WinControls.UI.Design.dll, same namespace) class, but didn't understand anything.

Here is my class where I want' use it

public class ColunaTextoAjuda : IAjuda
    {
        public GridViewDataColumn Coluna { get; set; }
 
        [Browsable(true)]
        [DefaultValue("")]
        [Editor("Telerik.WinControls.UI.Design.TextOrHtmlSelector, Telerik.WinControls.UI.Design, Version=2018.1.116.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e", typeof(UITypeEditor))]
        public string Texto { get; set; }
    }
Leandro
Top achievements
Rank 1
 answered on 01 Nov 2018
8 answers
814 views
Hello All,

I have a requirement to print a number of RTF notes as a single document. I tried to create a RadDocument for each note and merge them, but unable to get it done.
Please guide me through the appropriate way to achieve this functionality.

Thanks
Pawan
Tanya
Telerik team
 answered on 01 Nov 2018
3 answers
151 views

I've noticed that Grid.Selection.SelectedRegions returns the dataset row number values whenever a paging-enabled virtual grid page changes. i.e the selection may be on a different page than the one on view.

I'm having problems generating elegant code for moving the regions from page to page so they select from the page of data that's on view, including cases where a full page of data has less rows than the original selection.

The help file isn't very explanatory,

radVirtualGrid1.VirtualGridElement.Selection.BeginSelection(3, 1, radVirtualGrid1.MasterViewInfo, true); radVirtualGrid1.VirtualGridElement.Selection.ExtendCurrentRegion(6, 3);

If I've several individual rows selected then how do I manipulate the grid.selection.selectedregions so that I can assign the whole set of regions? following is the code Im trying but Im having a real struggle understanding what Im doing.

01.var selectionRegions = Grid.Selection.SelectedRegions;
02.var offset = Math.Abs(e.NewIndex - Grid.PageIndex);
03.var multiplier = e.NewIndex > Grid.PageIndex
04.  ? PageSize * offset
05.  : -PageSize * offset;
06.var newRegions = new List<SelectionRegion>(); 
07.foreach (var region in selectionRegions)
08.{
09.  var newRegion = new SelectionRegion(region.Top * multiplier, region.Left,
10.    region.Bottom * multiplier, region.Right, region.ViewInfo);
11.  newRegions.Add(newRegion);
12.}
13.Grid.Selection.SelectedRegions. <- and here is where everything goes horribly wrong :)

 

 

Dess | Tech Support Engineer, Principal
Telerik team
 answered on 01 Nov 2018
5 answers
479 views

Hi all,

I've implemented a radgridview in my project, and I need one column to search, in this case, a barcode but I have two ways for search it. The barcode and a small code which are related between. So I've implemented a multicolumncombobox and a composite filter to do this. It works, but I have a problem in some cases. When the combobox has a lot of data, the filter which has the property autocompletemode as suggestappend, it is working too slow. For example, I press one key  it takes too long time to appear in the column, it appears to be freeze.

Do you know how to improve this? Or there is another control to make this purpose?

Thanks in advance.

Regards,

Dess | Tech Support Engineer, Principal
Telerik team
 answered on 01 Nov 2018
1 answer
270 views

Hi

I have an issue with the validation of email addresses using when the mask type is set to EMail, it is not allowing the following style of email address "t.harris@working.group" (note this is not the exact email address of obvious reasons), it does work when i append .co.uk or .com on the end.

What are the validation criteria for this EMail validation ? 

Do I have to use an edit mask instead ? If so can you give an example which will allow above email address as well as those in more "normal" formats ?

 

Regards

Toby

 

Dimitar
Telerik team
 answered on 01 Nov 2018
8 answers
251 views

Hello All,

Is it possible to validate the text enter as the user types (ie validate on TextChanged) as opposed to validating as focus is changed?

Thanks!!

Dimitar
Telerik team
 answered on 01 Nov 2018
1 answer
104 views

if you completely delete the contents in the editor and press the <Enter> key, then int.MinValue is returned.

Why? In this case, you must return either null or 0 or do nothing.

Dess | Tech Support Engineer, Principal
Telerik team
 answered on 31 Oct 2018
3 answers
1.7K+ views
On Telerik control , when I click the items using mouse right click, it calls the same function of the left click & I'm unable to disable it. Please let me know if there is any property to disable the right click.
Dimitar
Telerik team
 answered on 31 Oct 2018
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