CODEWITHSUNDEEP
c#.netwpf
El Mac
El Mac

Reputation: 3418

Anchoring a label

I am relatively new to WPF and trying to insert a label computed by an algorithm inside a panel. I create the label in my code. I do not use the designer for the label.

The problem is that when I add the label to the panel, it gets resized when I resize the Window. I want the label to be a fixed height and width. Apparently it is anchored to the bottom of the window (I know that from the usual Winforms behavior).

How can I unanchor it, or give it a fixed size?

EDIT

Image

XAML:

<Window x:Class="TestWrapper.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MyTest" Height="483.833" Width="525" Loaded="Window_Loaded">
    <Grid x:Name="MyGrid" Margin="0">
        <Grid.Background>
            <ImageBrush ImageSource="Resources/Background.jpg" Stretch="Uniform"/>
        </Grid.Background>
    </Grid>
</Window>

Code:

 if (!_initialized)
 {
    Label lbl = new Label()
    {
       Content = "Test",
       FontSize = 36,
       Foreground = new SolidColorBrush(Colors.Red),
       Background = new SolidColorBrush(Colors.Black),
       HorizontalContentAlignment = System.Windows.HorizontalAlignment.Center,
       VerticalAlignment = System.Windows.VerticalAlignment.Top
    };
    this.MyGrid.Children.Add(lbl);
    lbl.Margin = new Thickness(0, this.MyGrid.ActualHeight + lbl.ActualHeight, 0, 0);
    this._initialized = true;
 }

Upvotes: 0

Views: 369

Answers (2)

simoneL
simoneL

Reputation: 622

I suggest to use instead the HorizontalAlignment and VerticalAlignment.

<Label HorizontalAlignment="Center" VerticalAlignment="Center" Content="Hello World" />

In this way, the label is automatically centered and the size is dynamically adapted by the WPF Engine.

Remember also that a WPF interface should not be developed by code behind, in most of cases, if not always. You can easily use the Xaml to resolve your problem.

Upvotes: 0

Dan Puzey
Dan Puzey

Reputation: 34218

If you simply want to hardcode a width and height, explicitly set the Width and Height attributes of your label:

<Label Width="100" Height="20">Hello World</Label>

A Grid will automatically centre and stretch its children, given no other information, and this is the default behaviour you're likely seeing.

(If you provide more code/markup, I can give a more detailed explanation.)

Upvotes: 2

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