ActualWidth is set by the rendering system, and may be different depending on the widths of other elements and overall size constraints. As a result, it can not be changed.
Questions tagged [actualwidth]
91 questions
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Silverlight: when is ActualWidth not 0?
If I attach a callback to the loaded event of my main user control and check the ActualWidth of a grid column, that value is still 0. I find it strange, given the fact that the documentation states: "The Loaded event is raised before the final…
Randy Voet
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Listbox width changes regardless of size of list items
Please see Update at bottom of post
I'm writing a WPF app using .Net 4.5
I have a ListBox displaying movie info, the xaml is shown below.
Steve
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WPF dependecy property changed ActualWidth == 0
How do I force a Window to measure its controls in the constructor so the values of ActualWidth and ActualHeight aren't zero? Here is the sample demonstrating my problem (I tried to call Measure and Arrange functions, but maybe in a wrong…
Nikolas Jíša
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Why is ActualWidth/ActualHeight don't changed after performing RenderTransform?
I have the following code to resize an image control
private void ApplyScale()
{
((CompositeTransform)img.RenderTransform).ScaleX = TotalImageScale;
((CompositeTransform)img.RenderTransform).ScaleY = TotalImageScale;
…
PutraKg
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Binding to ListBoxItem's ActualWidth
I have a ListBox, which is basically a canvas. The items shall be displayed as Rectangles. The position of the rectangles are bound to the items' data via the ListBoxItem's Canvas.Left and Canvas.Right property.
This is the ListBox' Template, which…
Nico Schertler
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Why is the viewbox's actualwidth growing much faster than it actually is?
A common issue with some controls in ViewBoxes is that they don't stretch to fill the Viewbox, so I tried to fix that with this code:
Public Sub WindowResized() Handles Me.SizeChanged
ComboBox_transfer_from.Width =…
cost
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Changing Context Menu's width results in poor rendering
All I wanted to do is have a ContextMenu on a Button with the width bounded to the Button's width. Apparently that's too much. If you open the ContextMenu and then decrease the size of the Button and open it again everything's OK (the Width gets…
SHD_lotion
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2 answers
Unable to retrieve the ActualWidth / ActualHeight of ContentPresenter
In my application, we have a view model object from which we're retrieving its attached FrameworkElement using our custom function GetVisualChildWithDataContext (see below).
What's happening is that this function returns a ContentPresenter object…
SuperOli
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WPF Converter strange behavior
I am binding the Width of a TextBox to the ActualWidth of its containing Grid, as follows:
Bill
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How to refer MaxWidth="??" of TextBlock to Owner ActualWidth?
How to refer MaxWidth="??" of TextBlock to stpMessage ActualWidth?
…
NoWar
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WriteableBitmap adding black padding to right
I'm trying to make an Image out of one of my Canvas (myPrintingCanvas). But the Width of the image is getting atleast twice wider than the Canvas, and the extra space that is created is back. If I try on another Canavas (LayoutRoot), it works as…
Jimmy Mattsson
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Why ActualWidth is not same as Width after resizing the Grid in WPF?
I have a ItemControl and there Width and ActualWidth rendering are not coming same while the resizing of panel is happening? It's very frustrating it is breaking whole UI. Tried n number of solution but coudn't found anything.
Attaching screenshot…
Divya Prakash
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Continuous (Edge-to-Edge) Rectangles in WPF overlaps each other
I am using WPF component in my project in which there is a feature of creating rectangles with the input given as a list containing for aligning rectangle over a canvas. I have given 0.5 stroke thickness to the rectangle but not any margin or…
Divya Prakash
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Get the ActualWidth of a user control
I want to populate a Vertical StackPanel with objects of another UserControl. All UserControls should be scaled by the widest one. The widest control should use the full available width.
ParentControl
Findas
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wpf - RelativeSource ActualWidth binding error when added usercontrol is not in display area of ListView
I could not find the solution to this problem in internet.
Can somebody please suggest me to correct this issue.
Your help is much appreciated!
With reference to the following msdn forum:
…
Sunil Jampa
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