Position of TextBox inside TabItem (WPF, C#)

Question

I creating TabItems dynamically. Inside TabItem I want to add TextBox.

How can I set up position of TextBox?

GenerateTabControlModel gtcm = new GenerateTabControlModel();       

 for (int x = 0; x <= gtcm.getTabNumber();x++)
  {
   TabItem tab = new TabItem();
   tab.Header = x.ToString();
   tab.Width = 30;
   tab.Height = 20;
   string sometext = "tab number: " + x.ToString();

   TextBox tb = new TextBox();
   tb.Text = sometext;                
   tb.Height = 25;
   tb.Width = 120;

   tab.Content = tb;               

   TCDynamo.Items.Add(tab);
  }

Every FrameworkElement has Margin. Though consider to use dynamic layouting (Margin is still used in it, but it's not something like Margin = "500,300,20,10), then you need a proper parent container (Grid + column/row definitions, StackPanel, WrapPanel, etc.) and utilizing alignment properties: VerticalAlignment and HorizontalAlignment (e.g. centering). — Sinatr
– Sinatr, Commented May 15, 2017 at 12:19

mrogal.ski · Accepted Answer · 2017-05-15 12:22:08Z

1

Using Margin property. Let's say you want to position your TextBox at { X: 20, Y: 35 } :

tb.Margin = new Thickness (20, 35, 0, 0);

Alternatively if it's parent is Canvas you can use Canvas.Left and Canvas.Top properties :

Cavnas.SetLeft(tb, 20);
Canvas.SetTop(tb, 35);

Another alternative is to use RenderTransform or LayoutTransform and set TranslateTransform into these properties :

tb.RenderTransform = new TranslateTransform(20, 35);

edited May 15, 2017 at 12:22

answered May 15, 2017 at 12:15

mrogal.ski

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1 Comment

J R Over a year ago

And obviously VerticalAlignment and HorizontalAlignment to make the positioning slightly more dynamic.

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