Telerik Forums
UI for WinForms Forum
1 answer
256 views

I would like to plot data on a scatter chart with 3 values, for example, x value (double type, frequency), y value (date/time, date and time) z value (double type, amplitude). z value having a color legend representing the value.  Something like the attached intensity plot.

Thanks

 

 

Dess | Tech Support Engineer, Principal
Telerik team
 answered on 25 Dec 2018
4 answers
596 views

Hi,

Please, read the header.

Q: How?

Thanks

Dess | Tech Support Engineer, Principal
Telerik team
 answered on 25 Dec 2018
5 answers
426 views

Hello,

I have a couple questions related to RadGridView Self-Reference Hierarchy:

1. Is there a way to use the properties of System.Guid type as parent/child IDs? or only Int type?
2. How to configure a grid to be able to specify the columns manually and set AutoGenerateColumns property to false. I was not able to achieve it.

Thanks in advance!

Dess | Tech Support Engineer, Principal
Telerik team
 answered on 25 Dec 2018
1 answer
163 views

Hi, I'm using a CheckedDropDownList fine, when the user press the Down Arrow key I show the dropdown ShowDropDown().

But I don't wanna it to be shown when the autocomplete is open, like when the user is switching between the suggestions pressing up and down arrows key...

   public static bool IsAutoCompleteOpen(this RadDropDownList ddl)
        {
            return ddl.DropDownListElement.AutoCompleteSuggest != null && ddl.DropDownListElement.AutoCompleteSuggest.DropDownList != null && ddl.DropDownListElement.AutoCompleteSuggest.DropDownList.IsPopupOpen;
        }
// the key down event
{
 
 if (e.KeyCode == Keys.Down && ddlItems.IsPopupVisible == false && ddlItems.IsAutoCompleteOpen() == false)
            {
                ddlItems.ShowDropDown();
                e.Handled = true;
            }
}

 

ddl.DropDownListElement.AutoCompleteSuggest is always null, so I can't find which is the correct property of AutoCompleteSuggest on CheckedDropDownList to check, any help?

Leandro
Top achievements
Rank 1
 answered on 21 Dec 2018
10 answers
87 views

Just noticed that when the grid as a sorting applied the following line ALWAYS return -1

 

var rowIndex = grdData.Rows.Add("whatever");

 

Without sorting it return the actual row. What i actually do is :

1 - Call the Grid.BeginUpdate();

2 - Clear the rows

3 - Loop in my collection and add 1 row per object

4 - Call the Grid.EndUpdate()

Dimitar
Telerik team
 answered on 21 Dec 2018
8 answers
975 views
Hi,

I'm using PdfViewer and it works file, but how to unload opened document programmatically?
Hristo
Telerik team
 answered on 21 Dec 2018
1 answer
154 views

This is my code to select multiple rows and it works. But when i use the search bar the selected rows un-select themselves

 //Enabling multiple row selection
dataGridViewCompanies.MultiSelect = true;
dataGridViewCompanies.SelectionMode = GridViewSelectionMode.FullRowSelect;

 

Any tips on how to keep the selected rows after i search so i can select as many as i want! 

 

Thanks

 

 

Dimitar
Telerik team
 answered on 21 Dec 2018
9 answers
1.4K+ views

Hi,

spreadexportrenderer not available in telerik.wincontrols.export name space. Anyone can give me a idea on how sort this.

 

what I am trying is

          Dim renderer As Telerik.WinControls.Export.SpreadExportRenderer = New Telerik.WinControls.Export.SpreadExportRenderer()
          spreadExporter.RunExport(dialog.FileName, renderer)

Madura

Hristo
Telerik team
 answered on 21 Dec 2018
6 answers
1.1K+ views

Hi,

How do I remove/hide buttons specifically 

  • Html Document 
  • Rich Text Format
  • Plain Text
  • XAML Document

from the backstage view of the Rich Text Editor Ribbon Bar.

With a regular backstage view I could do something along the lines of

this.radRibbonBarBackstageView1.Controls.Remove(this.radButton1);

but here I can't access the backstage view.

 

picture

 

Thank you in advance

Mohammed

Hristo
Telerik team
 answered on 21 Dec 2018
4 answers
729 views

Hello.

 I've been researching and made a code that could solve my problem of automatic visibility of the scroll bar in Telerik listView, Telerik ListControl and Windows listView

using System;
 
namespace TelerikWinFormsApp2
{
    public partial class RadForm1 : Telerik.WinControls.UI.RadForm
    {
        public RadForm1()
        {
            InitializeComponent();
  
            for (int i = 0; i < 50; i++)
            {
                radListView1.Items.Add("aa");
                radListControl1.Items.Add("aa");
                listView1.Items.Add("aa");
            }
 
            //Windows listView Mouse Events
            listView1.MouseEnter += new EventHandler(listView1_MouseEnter);
            listView1.MouseLeave += new EventHandler(listView1_MouseLeave);
 
            //Telerik listView Mouse Events
            radListView1.MouseEnter += new EventHandler(radListView1_MouseEnter);
            radListView1.MouseLeave += new EventHandler(radListView1_MouseLeave);
 
            //Telerik listControl Mouse Events
            radListControl1.MouseEnter += new EventHandler(radListControl1_MouseEnter);
            radListControl1.MouseLeave += new EventHandler(radListControl1_MouseLeave);
 
        }
 
        private void RadForm1_Load(object sender, EventArgs e)
        {
            //Windows ListView
            listView1.Scrollable = false;
 
            //Telerik ListView
            this.radListView1.ListViewElement.ViewElement.Scroller.Scrollbar.FirstButton.Visibility = Telerik.WinControls.ElementVisibility.Hidden;
            this.radListView1.ListViewElement.ViewElement.Scroller.Scrollbar.SecondButton.Visibility = Telerik.WinControls.ElementVisibility.Hidden;
            this.radListView1.ListViewElement.ViewElement.Scroller.Scrollbar.ThumbElement.Visibility = Telerik.WinControls.ElementVisibility.Hidden;
            this.radListView1.ListViewElement.ViewElement.Scroller.Scrollbar.FillElement.Visibility = Telerik.WinControls.ElementVisibility.Hidden;
            this.radListView1.ListViewElement.ViewElement.Scroller.Scrollbar.Children[1].Visibility = Telerik.WinControls.ElementVisibility.Hidden;
            this.radListView1.ListViewElement.ViewElement.Scroller.Scrollbar.BorderElement.Visibility = Telerik.WinControls.ElementVisibility.Hidden;
 
            //Telerik ListControl
            this.radListControl1.ListElement.Scroller.Scrollbar.FirstButton.Visibility = Telerik.WinControls.ElementVisibility.Hidden;
            this.radListControl1.ListElement.Scroller.Scrollbar.SecondButton.Visibility = Telerik.WinControls.ElementVisibility.Hidden;
            this.radListControl1.ListElement.Scroller.Scrollbar.ThumbElement.Visibility = Telerik.WinControls.ElementVisibility.Hidden;
            this.radListControl1.ListElement.Scroller.Scrollbar.FillElement.Visibility = Telerik.WinControls.ElementVisibility.Hidden;
            this.radListControl1.ListElement.Scroller.Scrollbar.Children[1].Visibility = Telerik.WinControls.ElementVisibility.Hidden;
            this.radListControl1.ListElement.Scroller.Scrollbar.BorderElement.Visibility = Telerik.WinControls.ElementVisibility.Hidden;
        }
 
        private void radListView1_MouseEnter(object sender, EventArgs e)
        {
            this.radListView1.ListViewElement.ViewElement.Scroller.Scrollbar.FirstButton.Visibility = Telerik.WinControls.ElementVisibility.Visible;
            this.radListView1.ListViewElement.ViewElement.Scroller.Scrollbar.SecondButton.Visibility = Telerik.WinControls.ElementVisibility.Visible;
            this.radListView1.ListViewElement.ViewElement.Scroller.Scrollbar.ThumbElement.Visibility = Telerik.WinControls.ElementVisibility.Visible;
            this.radListView1.ListViewElement.ViewElement.Scroller.Scrollbar.FillElement.Visibility = Telerik.WinControls.ElementVisibility.Visible;
            this.radListView1.ListViewElement.ViewElement.Scroller.Scrollbar.Children[1].Visibility = Telerik.WinControls.ElementVisibility.Visible;
            this.radListView1.ListViewElement.ViewElement.Scroller.Scrollbar.BorderElement.Visibility = Telerik.WinControls.ElementVisibility.Visible;
        }
 
        private void radListView1_MouseLeave(object sender, EventArgs e)
        {
            this.radListView1.ListViewElement.ViewElement.Scroller.Scrollbar.FirstButton.Visibility = Telerik.WinControls.ElementVisibility.Hidden;
            this.radListView1.ListViewElement.ViewElement.Scroller.Scrollbar.SecondButton.Visibility = Telerik.WinControls.ElementVisibility.Hidden;
            this.radListView1.ListViewElement.ViewElement.Scroller.Scrollbar.ThumbElement.Visibility = Telerik.WinControls.ElementVisibility.Hidden;
            this.radListView1.ListViewElement.ViewElement.Scroller.Scrollbar.FillElement.Visibility = Telerik.WinControls.ElementVisibility.Hidden;
            this.radListView1.ListViewElement.ViewElement.Scroller.Scrollbar.Children[1].Visibility = Telerik.WinControls.ElementVisibility.Hidden;
            this.radListView1.ListViewElement.ViewElement.Scroller.Scrollbar.BorderElement.Visibility = Telerik.WinControls.ElementVisibility.Hidden;
        }
 
        private void radListControl1_MouseEnter(object sender, EventArgs e)
        {
            this.radListControl1.ListElement.Scroller.Scrollbar.FirstButton.Visibility = Telerik.WinControls.ElementVisibility.Visible;
            this.radListControl1.ListElement.Scroller.Scrollbar.SecondButton.Visibility = Telerik.WinControls.ElementVisibility.Visible;
            this.radListControl1.ListElement.Scroller.Scrollbar.ThumbElement.Visibility = Telerik.WinControls.ElementVisibility.Visible;
            this.radListControl1.ListElement.Scroller.Scrollbar.FillElement.Visibility = Telerik.WinControls.ElementVisibility.Visible;
            this.radListControl1.ListElement.Scroller.Scrollbar.Children[1].Visibility = Telerik.WinControls.ElementVisibility.Visible;
            this.radListControl1.ListElement.Scroller.Scrollbar.BorderElement.Visibility = Telerik.WinControls.ElementVisibility.Visible;
        }
 
        private void radListControl1_MouseLeave(object sender, EventArgs e)
        {
            this.radListControl1.ListElement.Scroller.Scrollbar.FirstButton.Visibility = Telerik.WinControls.ElementVisibility.Hidden;
            this.radListControl1.ListElement.Scroller.Scrollbar.SecondButton.Visibility = Telerik.WinControls.ElementVisibility.Hidden;
            this.radListControl1.ListElement.Scroller.Scrollbar.ThumbElement.Visibility = Telerik.WinControls.ElementVisibility.Hidden;
            this.radListControl1.ListElement.Scroller.Scrollbar.FillElement.Visibility = Telerik.WinControls.ElementVisibility.Hidden;
            this.radListControl1.ListElement.Scroller.Scrollbar.Children[1].Visibility = Telerik.WinControls.ElementVisibility.Hidden;
            this.radListControl1.ListElement.Scroller.Scrollbar.BorderElement.Visibility = Telerik.WinControls.ElementVisibility.Hidden;
        }
 
        private void listView1_MouseEnter(object sender, EventArgs e)
        {
            listView1.Scrollable = true;
        }
 
        private void listView1_MouseLeave(object sender, EventArgs e)
        {
            listView1.Scrollable = false;
        }
    }
         
}

 

I hope it helps.

 

Regards
Felipe. 

 

 

​

Hristo
Telerik team
 answered on 21 Dec 2018
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