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Questions tagged [uielement]

UIElement is a base class for most of the objects that have visual appearance and can process basic input as part of the user interface.

404 questions
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4 answers

Why are radio buttons called 'radio' buttons?

I was thinking about my first contact with html language and I remembered when I was looking for that specific button with the dot. It gives you some choices and you can select only one of them. I found out that it was called a radio button. I had…
ApollonDigital
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2 answers

UIElement vs FrameworkElement in WPF/Silverlight

When do I derive from UIElement and FrameworkElement considering FrameworkElement inherits UIElement. Can anyone give real life examples?
Greens
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2 answers

WPF ListBox - Getting UIElement instead of of SelectedItem

I created a ListBox that has a DataTemplate as Itemtemplate. However, is there an easy way to access the generated UIElement instead of the SelectedItem in codebehind? When I access SelectedItem, I just get the selected object from my ItemsSource…
Joachim Kerschbaumer
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13
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2 answers

Getting the top left coordinates of a WPF UIElement

I am working on extending the Microsoft resize Adorner example and need to be able to reposition the element after say the bottom left drag handle has been dragged. So if I have a textbox of say 150 wide, 35 high postitioned on my form, and the…
user547708
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3 answers

WPF - Determining if Mouse Is Over a UIElement

I have some xaml markup that looks essentially like this: I want to determine if the mouse is over Canvas B. When I click while my mouse is over Canvas B, Mouse.DirectlyOver returns Canvas A…
Brent Lamborn
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11
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7 answers

Is there any unique identifier for wpf UIElement?

For logging user actions in my WPF forms, I added some global event handlers I want to log exactly which control fire the event, is there some unique identifier for a wpf UIElement like ClientId in ASP.Net?
Arsen Mkrtchyan
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1 answer

Find position of Button/UIElement on screen relative to grid Windows Phone

I can't find a way to get the position in (x,y) co-ordinates of an on-screen control like a button relative to the grid that it is inside. Is there a way to do this that I am overlooking?
James Mundy
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10
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1 answer

How can you get the parent of a UIElement?

Ok, I know that FrameworkElement, which is a direct subclass of UIElement, has a Parent property, but Panel objects have children of type UIElement, not FrameworkElement (The Children property is of type UIElementCollection) which seems it would…
Mark A. Donohoe
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10
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2 answers

WPF - Get size of UIElement in Memory?

Is there a way to get the size of a UIElement that resides in memory and has not yet been rendered? I currently have a routine that creates a Grid from a DataTable and then adds the Grid into a FixedDocument. I need to know the size of the Grid…
Sonny Boy
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4 answers

Silverlight 4 - Render UIElement as an Image

I have a UIElement that I want to capture a snapshot of when a user clicks a button. When a user clicks the button, I want to take the UIElement and load it's current state into an Image element. How do I render a UIElement as an Image?
user208662
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9
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1 answer

ckeditor dynamically add uiElement

I want to dynamically add UIElements to a dialog depending on the value of another uiElement..I believe what i need is defined here : http://docs.cksource.com/ckeditor_api/symbols/CKEDITOR.dialog.definition.contentObject.html#add. unfortunately,…
oggiemc
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9
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1 answer

UIElement to image file (WP7)

I have a StackPanel which includes a few Rectangles that I want put to an image file (e.g. PNG). I'm developing this on Windows Phone 7 and most of the information I found on the internet wasn't applicable (I think) to WP7. I think the…
judehall
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9
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2 answers

About box with Application is agent (UIElement) set to YES?

Im trying to create a application that should only be visible in the status bar, and not have a window until you press the NSStatusItem menu options. So i have one that should open "about" [[NSApplication sharedApplication]…
Erik
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9
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1 answer

"A value of type FixedToolBar cannot be added to a collection or dictionary of type 'UIElementCollection'" but FixedToolBar is a subclass of UIElement

We have a custom control called FixedToolBar defined in a class library which is referenced by a second assembly which uses it via XAML. However, VS2015 is showing the error: A value of type FixedToolBar cannot be added to a collection or…
Mark A. Donohoe
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9
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1 answer

Absolute coordinates of UIElement in WinRT

Cannot find a way to locate absolute position of an UIElement in Metro style app. Anybody know the solution? (the context: I want a Popup to be shown next to the button called it)
snuk182
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