Here we see how to create TextBox control and
also explains various properties of the textbox control in xaml.
TextBox control
TextBox is the control which
accepts user input. By default we can enter up to 2048 characters in a TextBox
but if the Multiline property is set to True we can enter up to 32KB of text.
Creating a TextBox in XAML
<TextBox
Height="23"
HorizontalAlignment="Left"
Margin="10,10,0,0"
Name="TextBox1"
VerticalAlignment="Top"
Width="178"
Text=""
TextWrapping="WrapWithOverflow"
/>
The Height and Width
attributes sets the height and width of text box.
Figure1.gif
Important property
The TextBox control has some important
property.
Width - Width attributes of the TextBox
element represent the width of a TextBox.
Height - Height attributes of the
TextBox element represent the height of a TextBox.
Text - Text property of the TextBox
element sets the content of a TextBox.
Background - The Background attributes
set the background colors of text box.
Foreground -
The Foreground attributes set the foreground
colors of text box.
TextWrapping - The TextWrapping
attributes sets the wrapping of text.
Scrolling Text -
VerticalScrollBarVisibility and HorizontalScrollBarVisibility sets the vertical
and horizontal scroll bars visible.
IsReadOnly - IsReadOnly attribute to
true makes the text box non editable.
Restricting Text Size of a TextBox
The MaxLength
property of the TextBox sets the number of characters allowed to input in a text
box.
MaxLength="100"
Setting Background and Foreground Colors.
The Background and Foreground attributes set the background and foreground
colors of text box. The following code sets background color as red and
foreground color as yellow for the text box.
<TextBox
Height="23"
HorizontalAlignment="Left"
Margin="128,90,0,0"
Name="TextBox1"
VerticalAlignment="Top"
Width="180"
Text="Rohatash
Kumar"
TextWrapping="WrapWithOverflow"
Background="Crimson"
Foreground="Blue"
/>
The form looks like this.
Figure2.gif
Setting the background image
<TextBox
Height="109"
HorizontalAlignment="Left"
Margin="128,90,0,0"
Name="TextBox1"
VerticalAlignment="Top"
Width="180"
Text="Rohatash
Kumar please enter something in the textbox"
TextWrapping="Wrap"
HorizontalContentAlignment="Center"
HorizontalScrollBarVisibility="Auto"
VerticalScrollBarVisibility="Visible">
<TextBox.Background>
<ImageBrush
ImageSource="/WpfApplication69;component/Images/file5.jpg"
/>
</TextBox.Background>
</TextBox>
The form looks like this.
Figure3.gif