我如何分配垂直中心对齐到文本块内的文本?我发现TextAlignment属性,但它是水平文本对齐。我怎么做垂直文本对齐?
当前回答
<TextBox AcceptsReturn="True"
TextWrapping="Wrap"
VerticalContentAlignment="Top" >
</TextBox>
其他回答
我认为这是明智的使用一个没有边界和背景的文本框作为一个简单而快速的方式,以达到中心对齐的文本块
<TextBox
TextWrapping="Wrap"
HorizontalContentAlignment="Center"
VerticalContentAlignment="Center"
Background="{x:Null}"
BorderBrush="{x:Null}"
/>
如果你可以不使用文本包装,我认为用标签替换TextBlock是最简洁的方法。否则,从其他有效答案中选择一个。
<Label Content="Some Text" VerticalAlignment="Center"/>
TextBlock不支持垂直文本对齐。
我通过用网格包装文本块并设置horizontalalign ="Stretch"和verticalalign ="Center"来解决这个问题。
是这样的:
<Grid>
<TextBlock
HorizontalAlignment="Stretch"
VerticalAlignment="Center"
Text="Your text" />
</Grid>
对我来说,VerticalAlignment=“中心”修复了这个问题。 这可能是因为textblock被包装在一个网格中,但实际上是wpf中的一切。
To expand on the answer provided by @Orion Edwards, this is how you would do fully from code-behind (no styles set). Basically create a custom class that inherits from Border which has its Child set to a TextBox. The example below assumes that you only want a single line and that the border is a child of a Canvas. Also assumes you would need to adjust the MaxLength property of the TextBox based on the width of the Border. The example below also sets the cursor of the Border to mimic a Textbox by setting it to the type 'IBeam'. A margin of '3' is set so that the TextBox isn't absolutely aligned to the left of the border.
double __dX = 20;
double __dY = 180;
double __dW = 500;
double __dH = 40;
int __iMaxLen = 100;
this.m_Z3r0_TextBox_Description = new CZ3r0_TextBox(__dX, __dY, __dW, __dH, __iMaxLen, TextAlignment.Left);
this.Children.Add(this.m_Z3r0_TextBox_Description);
类:
using System;
using System.Collections.Generic;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Shapes;
using System.Windows.Controls.Primitives;
namespace ifn0tz3r0Exp
{
class CZ3r0_TextBox : Border
{
private TextBox m_TextBox;
private SolidColorBrush m_Brush_Green = new SolidColorBrush(Colors.MediumSpringGreen);
private SolidColorBrush m_Brush_Black = new SolidColorBrush(Colors.Black);
private SolidColorBrush m_Brush_Transparent = new SolidColorBrush(Colors.Transparent);
public CZ3r0_TextBox(double _dX, double _dY, double _dW, double _dH, int _iMaxLen, TextAlignment _Align)
{
/////////////////////////////////////////////////////////////
//TEXTBOX
this.m_TextBox = new TextBox();
this.m_TextBox.Text = "This is a vertically centered one-line textbox embedded in a border...";
Canvas.SetLeft(this, _dX);
Canvas.SetTop(this, _dY);
this.m_TextBox.FontFamily = new FontFamily("Consolas");
this.m_TextBox.FontSize = 11;
this.m_TextBox.Background = this.m_Brush_Black;
this.m_TextBox.Foreground = this.m_Brush_Green;
this.m_TextBox.BorderBrush = this.m_Brush_Transparent;
this.m_TextBox.BorderThickness = new Thickness(0.0);
this.m_TextBox.Width = _dW;
this.m_TextBox.MaxLength = _iMaxLen;
this.m_TextBox.TextAlignment = _Align;
this.m_TextBox.VerticalAlignment = System.Windows.VerticalAlignment.Center;
this.m_TextBox.FocusVisualStyle = null;
this.m_TextBox.Margin = new Thickness(3.0);
this.m_TextBox.CaretBrush = this.m_Brush_Green;
this.m_TextBox.SelectionBrush = this.m_Brush_Green;
this.m_TextBox.SelectionOpacity = 0.3;
this.m_TextBox.GotFocus += this.CZ3r0_TextBox_GotFocus;
this.m_TextBox.LostFocus += this.CZ3r0_TextBox_LostFocus;
/////////////////////////////////////////////////////////////
//BORDER
this.BorderBrush = this.m_Brush_Transparent;
this.BorderThickness = new Thickness(1.0);
this.Background = this.m_Brush_Black;
this.Height = _dH;
this.Child = this.m_TextBox;
this.FocusVisualStyle = null;
this.MouseDown += this.CZ3r0_TextBox_MouseDown;
this.Cursor = Cursors.IBeam;
/////////////////////////////////////////////////////////////
}
private void CZ3r0_TextBox_MouseDown(object _Sender, MouseEventArgs e)
{
this.m_TextBox.Focus();
}
private void CZ3r0_TextBox_GotFocus(object _Sender, RoutedEventArgs e)
{
this.BorderBrush = this.m_Brush_Green;
}
private void CZ3r0_TextBox_LostFocus(object _Sender, RoutedEventArgs e)
{
this.BorderBrush = this.m_Brush_Transparent;
}
}
}