WinForm TextBox 一个问题
强调一下,是WinForm,不是 asp.net
TextBox 是否可以调整行间距?
现在做出来的东西,客户说每行之间的距离太小,要调大一点,但是我找遍了 TextBox 的属性,好象都没有
[解决办法]
要么换行要么字体调大一点要么换控件吧
[解决办法]
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
namespace WindowsApplication2
{
public partial class Form1 : Form
{
public const int WM_USER = 0x0400;
public const int EM_GETPARAFORMAT = WM_USER + 61;
public const int EM_SETPARAFORMAT = WM_USER + 71;
public const long MAX_TAB_STOPS = 32;
public const uint PFM_LINESPACING = 0x00000100;
[StructLayout( LayoutKind.Sequential )]
private struct PARAFORMAT2{
public int cbSize;
public uint dwMask;
public short wNumbering;
public short wReserved;
public int dxStartIndent;
public int dxRightIndent;
public int dxOffset;
public short wAlignment;
public short cTabCount;
[MarshalAs( UnmanagedType.ByValArray, SizeConst = 32 )]
public int[] rgxTabs;
public int dySpaceBefore;
public int dySpaceAfter;
public int dyLineSpacing;
public short sStyle;
public byte bLineSpacingRule;
public byte bOutlineLevel;
public short wShadingWeight;
public short wShadingStyle;
public short wNumberingStart;
public short wNumberingStyle;
public short wNumberingTab;
public short wBorderSpace;
public short wBorderWidth;
public short wBorders;}
public Form1()
{
InitializeComponent();
}
[DllImport( "user32 ", CharSet = CharSet.Auto )]
private static extern IntPtr SendMessage( HandleRef hWnd, int msg,int wParam, ref PARAFORMAT2 lParam );
private void Form1_Load(object sender, EventArgs e)
{
}
private void button1_Click(object sender, EventArgs e)
{
PARAFORMAT2 fmt = new PARAFORMAT2();
fmt.cbSize = Marshal.SizeOf(fmt);
fmt.bLineSpacingRule = 4;
fmt.dyLineSpacing = 500;//((int)richTextBox1.Font.Size) * 20 * ((int)ud.Value);
fmt.dwMask = PFM_LINESPACING;
SendMessage( new HandleRef(this.richTextBox1, richTextBox1.Handle ), EM_SETPARAFORMAT, 0, ref fmt );
}
}
}
这个是RichText的 textbox好像不支持,除非自己继承重新写个
还有种方法可以试试 设置字体,文字行按正常字体大小, 需要行距的时候,就重新设置字体,输入空格,.....
不过我没试过这种方法.
[解决办法]
textbox、listbox等调整行距的最好做法是在pant事件里面重写然后可以调整,但是效果不佳。
不如自己用panle+多行lable或者textbox结合做。
但是事实上最佳解决方案是找到宽行距的字体替换,使用textbox的地方本来就不是字体、颜色等需求过高的地方。找到替换字体的方法是最快最好的方法。否则继续操作就是折本求末了。
[解决办法]
一开始的布局就错了,如果把这些控件放到tablayoutpanel中老布局的话就好控制多了。
[解决办法]
这个真没试过!