actualwidth

Is it possible for a WPF control to have an ActualWidth and ActualHeight if it has never been rendered?

笑着哭i 提交于 2019-12-09 00:39:07
问题 I need a Viewport3D for the sole purpose of doing geometric calculations using Petzold.Media3D.ViewportInfo . I would prefer not to have to place it in a Window or otherwise render it. I'm attempting to accomplish this by instantiating a Viewport3D and setting a few properties using the following C# method: private Viewport3D CreateViewport(MainSettings settings) { var cameraPosition = new Point3D(0, 0, settings.CameraHeight); var cameraLookDirection = new Vector3D(0, 0, -1); var

WPF What happens when a child's width is bound to a parent's actualwidth

老子叫甜甜 提交于 2019-12-08 02:34:30
问题 So If I have a binding placed on width of a child object that links it to its parent's ActualWidth , what will happen? My guess is that the parent measures how much width the child wants, the child tells the parent 0 width, then the parent is given actual space during arrange, and it attempts to give the child zero since the child didn't want any. Then the actual width of the space given to the parent should cause the binding to change the child's width. At this point I would guess layout is

How to refer MaxWidth=“??” of TextBlock to Owner ActualWidth?

那年仲夏 提交于 2019-12-06 16:54:07
问题 How to refer MaxWidth="??" of TextBlock to stpMessage ActualWidth ? <StackPanel Name="stpMessage" Orientation="Horizontal" Margin="0,5,0,0"> <Grid > <Grid.ColumnDefinitions> <ColumnDefinition Width="2*" /> <ColumnDefinition Width="2*" /> </Grid.ColumnDefinitions> <TextBlock Margin="0,0,0,0" Foreground="Blue" TextWrapping="Wrap">@ToUserName</TextBlock> <StackPanel Grid.Column="1"> <TextBlock Margin="5,0,0,0" Text="{Binding Path=Text}" MinHeight="20" MinWidth="200" HorizontalAlignment="Stretch"

How to Set Grid Column MaxWidth depending on Window or Screen Size in XAML

前提是你 提交于 2019-12-04 05:12:41
I have a 3 column grid in a window with a GridSplitter on the first column. I want to set the MaxWidth of the first column to a third of the parent Window or Page Width (or ActualWidth ) and I would prefer to do this in XAML if possible. This is some sample XAML to play with in XamlPad (or similar)

ActualWidth as value of From WPF animation

倖福魔咒の 提交于 2019-12-04 04:27:37
问题 Why can't I refer to ActualWidth as a value from, which I was able to use in code. XAML: <StackPanel> <Button x:Name="cmdVibrate" HorizontalAlignment="Center"> <Button.Triggers> <EventTrigger RoutedEvent="Button.MouseEnter"> <BeginStoryboard> <Storyboard > <DoubleAnimation From="{Binding RelativeSource={RelativeSource Mode=Self},Path=ActualWidth}" By="200" AutoReverse="True" Duration="0:0:1" Storyboard.TargetProperty="Width"></DoubleAnimation> </Storyboard> </BeginStoryboard> </EventTrigger>

Binding the Width Property of a DataGridColumn to the ActualWidth of the parent DataGrid

女生的网名这么多〃 提交于 2019-12-02 02:11:30
I tried to solve my previous question with manually binding the Width property of the DataGridTextColumn here is the first Version of my XAML Code. <DataGrid AutoGenerateColumns="False" Background="White" ItemsSource="{Binding Items, Mode=OneWay}" HorizontalGridLinesBrush="Silver"

Is it possible for a WPF control to have an ActualWidth and ActualHeight if it has never been rendered?

僤鯓⒐⒋嵵緔 提交于 2019-11-30 21:00:16
I need a Viewport3D for the sole purpose of doing geometric calculations using Petzold.Media3D.ViewportInfo . I would prefer not to have to place it in a Window or otherwise render it. I'm attempting to accomplish this by instantiating a Viewport3D and setting a few properties using the following C#

Get the size (after it has been “stretched”) of an item in a ViewBox

核能气质少年 提交于 2019-11-30 12:41:30
Consider the following: Let's say the Window is 1024x768 and the ViewBox fills the entire window, this means the TextBox is really large on the screen. I want to get the size of the TextBox as it is currently on the screen. If I get DesiredSize or ActualSize or even RenderedSize I always get 100.

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