Hi!

I have a TileView and TileConfigView UserControls and I would like to show pre-designed TileView (TileView.xaml) as RadFluidContentControl.Content and pre-designed TileConfigView (TileConfigView.xaml) as RadFluidContentControl.LargeContent.

I Was able to bind TileView to .Content using {Binding TileContent} but for some reason the tile's size is not the same as the TileView UserControl's size. In addition I needed to make property to TileView's codebehind for it to work because I don't know how to get the view from the viewmodel:


But if I want to have different view for .LargeContent this seems like not the way to do it.

This is my contentTemplate for RadTileView (Width="Auto" and Height="Auto" didn't help with getting the tile's size match that of the actual view):


Is there a proper way to do this so that I can have pre-designed TileView and TileConfigView per Tile and have those used as .Content and .LargeContent?

Br,

Kalle

Hey Telerik,

The ZIndex of the Special Slots is set to 1 hard coded instead of using the Canvas.ZIndex property of the style of the special slot. This way it's hard to do the correct layering of the slots (in the case there are multiple types). I resolved the issue by one way binding and letting it reevaluate ontargetupdated. The binding result always returns the correct ZIndex property of the type of slot. Just a small bug, however due to the recycling of slots it has some perfomance penalties.

Cheers,
Nico

I thought the Loaded event should only fire when the control is just about to render?

When I programmatically add a tab to the TabControl with a UserControl on it, the Loaded event of the UserControl fires although the tab isn't selected and thus the UserControl shouldn't be rendered.

I'm also asking because I then have the problem that when I set the SelectedItem of the TabControl to be the newly added Tab, the Loaded event of the UserControl gets fired yet again.

So in the process of adding and selecting the tab, the Loaded event of the UserControl gets fired twice which isn't desirable.

Edit: It does only seem to happen if the first tab is added to the TabControl for the first time.

Why is that, and is there a better way to prevent this from happening without resorting to some sort of boolean flag testing solution in the Loaded event handler?

Hi,

I have a user control that is used in a listbox. This UC is drag and drop enabled to move it from one list to another. This works. I have list boxes in the UC that are DND enabled to drag data into. I have this working as well. My next step is to be able to drag the item in the UC child list to another list. Right now the whole UC wants to move as part of it's normal process but I only want to move the child list item. Can this be done? Example please.

Thanks.

Hello,

I am using version 2012.3 and am trying to export a RadGridView to excel. The data table is very large, over 1bil cells, and when I try to export to excel I get an out of memory exception.

The project can only be deployed as an x86 platform application. I included the code below, how can I export a large table in this application?


Thank you,
Eli

SaveFileDialog dialog = new SaveFileDialog();
string extension = "xml";
dialog.DefaultExt = extension;
dialog.Filter = string.Format("{1} files (*.{0})|*.{0}|All files (*.*)|*.*", extension, "ExcelML");
dialog.FilterIndex = 1;
if (dialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
string exportString = radGridView.ToExcelML();

using (Stream stream = dialog.OpenFile())
{
byte[] bytes = Encoding.UTF8.GetBytes(exportString);
stream.Write(bytes, 0, bytes.Length);
}
}

Consider my ConnectionManipulationCompleted event handler:

private void diagram_ConnectionManipulationCompleted(object sender, ManipulationRoutedEventArgs e)
{
    if (e.ManipulationStatus == ManipulationStatus.Attaching)
    {
        var source = e.Connection.Source as MyChartShape;
        ...
    }
}

In some cases e.Connection.Source is null. E.g.
1) From a node's connector, drag a new connection.
2) Detach the connection so you end up with a floating one.
3a) Re-attach the tail of the connection to the node's connector. Source is null, target is valid!
3b) Re-attach the head of the connection to the node's connector. Source is null, target is valid!

In 3a the target is in fact the source. In 3b the target is indeed the target. How can I distinguish these two scenarios?
Obviously, in 3a I want a way to see that the target is the source so that I can successfully update our underlying data where the direction of the connection is critical!

Seems like a bug. Now I have to re-assign the GraphSource instance in order to see changes in the view. Adding/removing items has no effect.

Hi,

How would you modify this program so that when dragging it shows the contents of the ID or UserName column.  Ideally this might be done when calling RowOrderBehaviorSetIsEnable(Grid1, true).  This would allow the code to handle more than 1 data format.

Thanks
Rich

Hello, 
I'm running into a problem involving focus not being lost on an editable RadComboBox (in a property grid) when I click on a RadRibbonButton (in a RadRibbonGroup).  If I type some text into the combo box text area, it is not stored to the dependency property that it is bound to until the control loses focus.


This is required because the Value property is coerced to a valid string before being accepted, and without UpdateSourceTrigger=LostFocus the text box fails to take on the coerced value, something broken in the binding there.


If UpdateSourceTrigger was set to PropertyChanged, this setter would be called every time the user types any characters.  If they type an invalid character the coerce function leaves the property unchanged but the text box displays the incorrect string, even though Value is different.

If the user starts typing something into the combo box and then clicks the button (which does a save or export), the Value is not set because the combo box does not lose focus.


These two controls are in different assemblies.  I tried clearing focus for the scope in the button command code-behind but at that time Keyboard.FocusedElement is the button.  I can't find any way to force all focus scopes to clear their FocusedElement fields either.  I tried playing with the button's IsTabStop property.  I tried hooking up to a focus changed event on the button (can't find one that gives me the previously focused element, and it probably wouldn't be what I want thanks to focus scopes).  

I might be able to cache off the element every time something changes focus in the property grid and clear its focus scope on button clicks, but this doesn't seem very scaleable.

So I need to fix one of two problems.  Either figure out how to clear focus on the combo box when the button is clicked but before the command is executed, or figure out how to fix the binding issue of the text in the combo box.  Do you have any advice on either fronts?

TIA, Jay

Requirement:
Set the font, the foreground and background color of the grid (headerrow and and "datarow) at runtime over a context menu. Save it and reload theses on restart.

Actual situation:
- We have implemented a contextmenu for the grid with an attached property. On attaching it "taps" the grid and it is possible to enable and disable single columns over this context menu which opens on right mouse click on header.
- Additional to that, we implemented an additional attached property which also "taps" to the grid OnAttaching, which allows to save the grid settings (columns width, enable columns, filter...) to a file. Add restart the grid takes this settings add set the saved values.
- The grid is styles are in different resource dictionaries which will be added to Application.Current.Resources.MergedDictionaries

Problem:
Now, I would like to add some additional context menu (this works) with color pickers and a font picker (does telerik have a font picker in future for wpf?).
If an new color is selected I created a new style (in code behind) an added it to the resources of the grid. This runs, but now I can't find a solution to save this style like the over values. 

How can I save this lokal style? Is this solution wrong? Do you have an better simpler solution?

Thanks & Regards