Hi! 

Showing a row error message and the warning icon can be achieved by implementing the IDataErrorInfo interface in the data source that's used for the grid, but I'd like to do the same for the child-items in the lazy-loaded hierarchy view (i.e. show a row error for the main object if one of the sub items is incorrect, but after expanding the child items also show an error icon for the individual sub-rows that are incorrect), but somehow the grid is ignoring the IDataErrorInfo implemented in the child objects. Is this an intended behaviour? 

I need to display a list of radio button elements, for that I did is created a rad panel, inside the rad panel I added a WrapLayoutpanel, Inside that I added the list of RadRadioButtonElement, The problem I am facing is if the court of the RadRadioButtonElement increases the text are truncated, It works in bigger resolution but not in smaller one, I kind of figure out if the width of the RadRadioButtonElement is greater than the text are not rendered right.

Sample code

I have several RadTextBox controls on a form and want to use a single RadContextMenu to provide my own context menu. Depening on which control is selected the resulting action will be a little different. 

I have this code to assign my context menus to the 2 controls.

this.txtBreedersAccount.TextBoxElement.TextBoxItem.HostedControl.ContextMenu = new ContextMenu();
this.txtBreedersAccount.TextBoxElement.TextBoxItem.HostedControl.MouseDown += new MouseEventHandler(this.AccountContextMenu_MouseDown);
this.txtMemberAccount.TextBoxElement.TextBoxItem.HostedControl.ContextMenu = new ContextMenu();
this.txtMemberAccount.TextBoxElement.TextBoxItem.HostedControl.MouseClick += new MouseEventHandler(this.AccountContextMenu_MouseDown);

This is my MouseDown procedure.

   private void AccountContextMenu_MouseDown(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Right)
            {                
                this.cmnuAccount.Show(MousePosition);
            }
        }

All of this works perfectly. My issue is the I can't seem to find a way to determine which of my 2 controls was actually used to instantiate the RadContextMenu. Searching the closest I could get was something like this, but it doesn't work.

        private void cmnuAccount_DropDownOpening(object sender, System.ComponentModel.CancelEventArgs e)
        {
            RadElement element = sender as RadElement;

            if (element == null)
            {
                return;
            }

            this._currentControl = element.ElementTree.Control as RadControl;
        }

Textboxes seem to be treated differently than other RadControls. If I setup the context menu on a checkbox for example it work without any issues.

I'd appreciate any help that anyone could give. Thanks.

how to refresh the radtreeview ui while the datasource of the radtreeview changed .for example add or update one record

I'm trying to extend the default capabilities of Telerik's PropertyGrid with some custom editors. However, I'm a little perplexed as to how to get the RadPopupEditor to work.

Looking at the Telerik Theme Viewer tool, there is a rough example of what I'm trying to achieve with the TextAlignment setting (Although I intend to fill the PopupContainer with other components).

Has anyone managed to replicate this and can point me in the right direction?

Thanks!

When I click on a RadCheckedDropDownList, type something, and then click on another RadCheckedDropDownList control, it types into the first control I typed into (not the one I clicked on). I already have Focus() in all the click events and it's not working.

Hi,

I'm trying to implement drop of a custom item on a RadGridView, which doesn't come from a telerik control, and I need to get the row where the user has dropped the item.

I have not been able to work with the RadGridViewDragDropService, the events are never fired. Maybe I'm not registering it up correctly...

So I setup a basic winform dragenter + dragdrop events, but in the dragdrop event handler, I'm unable to get the targeted cell or row.

var point = RdgvDestinationFolder.PointToClient(new Point(e.X, e.Y));
var child = RdgvDestinationFolder.GetChildAtPoint(point);
// child is null...

I have researched others topic, and found one with a method "getelementat" but it look like it doesn't exist anymore.

I tried to workaround the issue with caching the RowMouseMove sender... but this event isn't fired when dragging over...

I'm also stuck with 2022.3.1109.40

Thanks for your help.

Hello everyone, I have hidden the radApplicationMenuButton control. The hiding method is as shown in the figure above, but when I run the program, I find that the hidden control is still displayed. I want the ribbonTabFile control on the right to be displayed directly from the far left. , how should I set up, thank you!

Best regards，

Kevin

Hello,

I wonder if it is possible to combine the RoundRectShape with EnableHighlight and EnableBorderHighlight while also have the highlighted parts considering the rounded corners in order to not paint further as those.

Now, if I combine those, I have 3 issues (see picture):

1.  the complete "rectangle" button area is highlighted, means: the rounded corners are ignored

2. the highlighted border is also a rectangled border on the corners and not round.

3. when moving the mouse away (near the corners), the "lost focus" event (or something similar) seem not to fire correctly - thereby the highlighted area is still shown

Can this be resolved and if so: how?

Thanks

Hello,

I was wondering how to do the following on a DateTimePicker, if it is possible at all: apply one theme to the main control and another to its calendar.

Something like this:

RadDateTimePicker1.ThemeName = A


Dim calendarBehavior As RadDateTimePickerCalendar = TryCast(RadDateTimePicker1.DateTimePickerElement.GetCurrentBehavior(), RadDateTimePickerCalendar)
Dim calendar As RadCalendar = TryCast(calendarBehavior.Calendar, RadCalendar)

calendar.ThemeName = B