Telerik Forums
UI for WinForms Forum
1 answer
156 views

I am trying to replace a 3rd party tool with Telerik controls.  Our application has a ComboTree which is basically a treeview inside a dropdown box.

I don't see any way to do this with your controls.  

Please point me in the right direction

 

Thanks

 

Jason

Dimitar
Telerik team
 answered on 15 May 2017
4 answers
561 views

Hi,

I'm looking into the Telerik 'UI for Winforms'. I develop in Progress OpenEdge and as Progress is now owner of Telerik I would like to develop a .NET gui for a new application with Telerik controls.

Before looking to Telerik I looked at Ingragistics. They have a control called 'MDI Tab Manager'. Purpose is, you have a MDI Form (parent) and the childforms appear as tabbed forms in the parent window.

I was wondering if Telerik has such a control. I've looked at all the .net controls but didn't find anything about this.

 

Kind regards

Bart S.

Dess | Tech Support Engineer, Principal
Telerik team
 answered on 15 May 2017
1 answer
191 views

Hi,

I have used a RadGridView Element with different columns. One column is a GridViewMultiComboBoxColumn with a valuemember and a displaymember, When I drop down the combo I see the displaymember correctly. But when I leave the row I only see the valuemember (1,2,3..)

 

  Private Sub RadGridView2_CellEditorInitialized(sender As Object, e As GridViewCellEventArgs) Handles RadGridView2.CellEditorInitialized
    If e.Column.Name = "FeldArt2" Then
      Dim editor As RadMultiColumnComboBoxElement = e.ActiveEditor
      If IsNothing(editor) = False Then
        Dim el As RadMultiColumnComboBoxElement = editor
        el.AutoCompleteMode = AutoCompleteMode.Suggest
        Dim lFeldArt As New List(Of clFeldArt)
        lFeldArt.Add(New clFeldArt(1, "Date Picker"))
        lFeldArt.Add(New clFeldArt(2, "Textfeld"))
        lFeldArt.Add(New clFeldArt(3, "Combo"))
        lFeldArt.Add(New clFeldArt(4, "Checkbox"))
        el.ValueMember = "FeldID"
        el.DisplayMember = "FeldArt"
        el.DataSource = lFeldArt
        el.AutoSizeDropDownToBestFit = True
        editor.Columns("FeldID").IsVisible = False
      End If
    End If
  End Sub

 

I have attached a file which explain what I mean.

Does anybody has an Idea whats wrong?

Thanks in advance for any help.

Karim

Dess | Tech Support Engineer, Principal
Telerik team
 answered on 15 May 2017
2 answers
156 views

The added functionality to the full-text search in 2017.2 is really cool, especially the new close button.

An intuitive way to close the full-text search was on my to-do list for quite some time.

However, I noticed that the AllowSearchRow Property stays true even if the search row was closed/hidden by the user.

What's the best way to test if the full-text search row is currently visible?

So far, I have extended the grids context menu like this:

 

var searchRowMenuItem = new RadMenuItem("Full-text Search (Ctrl+F)");
            searchRowMenuItem.Click += this.searchRowMenuItem_Click;
            searchRowMenuItem.IsChecked = this.AllowSearchRow;

 

erwin
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Veteran
Iron
 answered on 12 May 2017
1 answer
195 views

Hello,

 

I need to have in both gridview and classic editor a user input to read decimal numbers (type float, double, decimal ...it does not matter) .

For the moment i m using RadSpinEditor and it is ok for values like 123.45 but sometimes the user can enter values like 0.000000150.

For the moment i m changing the number of decimal in the RadSpinEditor when the user have to enter very little values.

RadSpinEditor is very good for my needs because it has a maximum and minimal value and i use them.

RadSpinEditor can display in Hexadecimal format.

What is the best way to have the scientific format with RadSpinEditor?

 

thanks

 

Vincent.

Hristo
Telerik team
 answered on 12 May 2017
0 answers
284 views
I have a radtextbox. But the cursor is blinking in the top. I want the cursor to be in the middle of the textbox. How can i do that?
Rohanjoy
Top achievements
Rank 1
 asked on 12 May 2017
2 answers
190 views

Hello,

I associeted a RadRangeSelector to a RadChartView.

 

When i populated the first time the series of RadChartView. All is ok .

When i rebuild all my series of the RadChartView , the RadRangeSelector is not updated.

 

How update the RadRangeSelector when i update series.

Thanks.

Regards

Vincent.

 

 

Vincent
Top achievements
Rank 1
 answered on 11 May 2017
12 answers
1.5K+ views
Hi.

I'm using RadControls for WinForms Q3 2008 SP2 and i always have problems to refresh the RadGridView.

I have a class ObjectInfo with some properties.

I have a form with a RadGridView and a BindingList :

private BindingList<ObjectInfo> _listObjects;

In Form1_Load :
radGrid.DataSource=_listObjects;

When I change one property of an object of _listObjects, the Refresh method doesn't work, the only way to refresh the GridView is to do :

radGrid.DataSource = null;
radGrid.DataSource = _listObjects;

Is there any other solution ? Because it takes time because there are many rows, rows are formatted with different colors depending on the value of a column (Event RowFormatting), and the grid scrolls on the first row so I have to call the EnsureVisible method because the user can't see anymore the selected row. And also I have to redefine columns (Width, FormatString for Date for example, etc...).

Thanks.
Hristo
Telerik team
 answered on 11 May 2017
13 answers
2.3K+ views
When the checkbox is focused and the enter key is pressed, the checkbox then gets checked.
This is an undesired feature, and my client requested that the spacebar only will check and uncheck the checkbox.

How do I change this?
Dimitar
Telerik team
 answered on 11 May 2017
1 answer
387 views

I tried to update Telerik UI for Winforms today to the latest version. Everything builds and the app runs. However, when I navigate to a form that contains Pie Charts, the app crashes with an unhandled exception and I get the below Overflow error.

What changed with the chartview control that would cause this? Is this something I can fix on my end? or do I need to wait for a bug fix release?

 

System.OverflowException: Overflow error.
   at System.Drawing.Graphics.CheckErrorStatus(Int32 status)
   at System.Drawing.Graphics.DrawRectangle(Pen pen, Single x, Single y, Single width, Single height)
   at Telerik.WinControls.Paint.RadGdiGraphics.DrawRectangle(RectangleF rectangle, Color color, PenAlignment penAlignment, Single penWidth, Brush brush, DashStyle dashStyle, Single[] dashPattern)
   at Telerik.WinControls.Paint.RadGdiGraphics.DrawRectangle(RectangleF rectangle, Color color, PenAlignment penAlignment, Single penWidth, DashStyle dashStyle, Single[] dashPattern)
   at Telerik.WinControls.Primitives.BorderPrimitiveImpl.DrawRectangle(IGraphics graphics, RectangleF rectangle, Color[] gradientColors, Single width)
   at Telerik.WinControls.Primitives.BorderPrimitiveImpl.PaintBorder(IGraphics graphics, Single angle, SizeF scale, RectangleF preferedRectangle)
   at Telerik.WinControls.UI.LabelElementDrawPart.Draw()
   at Telerik.WinControls.UI.PieLabelElementDrawPart.Draw()
   at Telerik.WinControls.UI.PieRenderer.Draw(Object context)
   at Telerik.WinControls.UI.ChartArea.Render(Object context)
   at Telerik.WinControls.UI.ChartView.Draw(Object context)
   at Telerik.WinControls.UI.RadChartElement.PaintElement(IGraphics graphics, Single angle, SizeF scale)
   at Telerik.WinControls.RadElement.DoOwnPaint(IGraphics graphics, Single angle, SizeF scale)
   at Telerik.WinControls.RadElement.Paint(IGraphics graphics, Rectangle clipRectangle, Single angle, SizeF scale, Boolean useRelativeTransformation)
   at Telerik.WinControls.RadItem.PaintOverride(IGraphics screenRadGraphics, Rectangle clipRectangle, Single angle, SizeF scale, Boolean useRelativeTransformation)
   at Telerik.WinControls.RadElement.PaintChild(RadElement child, IGraphics graphics, Rectangle clipRectange, Single angle, SizeF scale, Boolean useRelativeTransformation)
   at Telerik.WinControls.RadItem.PaintChild(RadElement child, IGraphics graphics, Rectangle clipRectange, Single angle, SizeF scale, Boolean useRelativeTransformation)
   at Telerik.WinControls.RadElement.PaintChildren(IGraphics graphics, Rectangle clipRectange, Single angle, SizeF scale, Boolean useRelativeTransformation)
   at Telerik.WinControls.VisualElement.PaintChildren(IGraphics graphics, Rectangle clipRectange, Single angle, SizeF scale, Boolean useRelativeTransformation)
   at Telerik.WinControls.RadElement.Paint(IGraphics graphics, Rectangle clipRectangle, Single angle, SizeF scale, Boolean useRelativeTransformation)
   at Telerik.WinControls.RadItem.PaintOverride(IGraphics screenRadGraphics, Rectangle clipRectangle, Single angle, SizeF scale, Boolean useRelativeTransformation)
   at Telerik.WinControls.RootRadElement.Paint(IGraphics graphics, Rectangle clipRectangle)
   at Telerik.WinControls.RadControl.OnPaint(PaintEventArgs e)
   at System.Windows.Forms.Control.PaintWithErrorHandling(PaintEventArgs e, Int16 layer)
   at System.Windows.Forms.Control.WmPaint(Message& m)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
   at Telerik.WinControls.RadControl.WndProc(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
Dimitar
Telerik team
 answered on 11 May 2017
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