怎么样重写winform 的textbox（单行） 追加个属性，可以控制垂直居中

[胖胖_多多]

如题 谢谢

[梦里开天]

本身就是竖直居中的啊

[lzsh0622]

VB.NET例子,用C#重写一下.
自定义TextBox控件对齐方式为为垂直居中

[胖胖_多多]

winform的也能加css吗

[胖胖_多多]

逗我呢啊

[Xuon]

[Quote=引用 5 楼 lzsh0622 的回复:]
VB.NET例子,用C#重写一下.
自定义TextBox控件对齐方式为为垂直居中
[/Quote]

呵呵，应该是这样，设置属性。

[h_w_king]

你指的是textBox里的文居中还是控件本身居中？
若文本居中
winforｍ的textBox就有该属性。
this.textBox1.TextAlign = System.Windows.Forms.HorizontalAlignment.Center;

[胖胖_多多]

h_w_king
我要的是垂直居中

[胖胖_多多]

Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
这句话翻译成C# 应该怎么写啊

[trentliu]

[Quote=引用 11 楼 rihyou 的回复:]
Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
这句话翻译成C#  应该怎么写啊
[/Quote]

struct LVITEM
{
private Int32 mask;
private Int32 iItem;
private Int32 iSubItem;
private Int32 state;
private Int32 stateMask;
private string pszText;
private Int32 cchTextMax;
private Int32 iImage;
private Int32 lParam;
private Int32 iIndent;
}


[DllImport("user32.dll", EntryPoint="SendMessageA")]
static extern Int32 SendMessageA (Int32 hwnd, Int32 wMsg, Int32 wParam, LVITEM pitem);

[trentliu]

using System.Runtime.InteropServices;
　　
[DllImport("user32.dll", EntryPoint="SendMessageA")]
　　public static extern int SendMessage (IntPtr hwnd, int wMsg, IntPtr wParam, IntPtr lParam);
[DllImport("user32.dll", EntryPoint="SendMessageA")]
　　private static extern int SendMessage (IntPtr hwnd, int wMsg, IntPtr wParam, string lParam);
　　[DllImport("user32.dll", EntryPoint="SendMessageA")]
　　private static extern int SendMessage (IntPtr hwnd, int wMsg, IntPtr wParam, ref Rectangle lParam);

在C#中使用SendMessage

[wu8862889]

单行，垂直居中。。。没弄明白

[胖胖_多多]

struct LVITEM
        {
            private Int32 mask;
            private Int32 iItem;
            private Int32 iSubItem;
            private Int32 state;
            private Int32 stateMask;
            private string pszText;
            private Int32 cchTextMax;
            private Int32 iImage;
            private Int32 lParam;
            private Int32 iIndent;
        }

        [DllImport("user32.dll", EntryPoint = "SendMessageA")]
        static extern Int32 SendMessage (Int32 hwnd, Int32 wMsg, Int32 wParam, LVITEM pitem);

        private const string EM_GETRECT = "&HB2";
        private const string EM_SETRECTNP = "&HB4";

        private struct RECT
        {
            public long Left;
            public long Top;
            public long Right;
            public long Bottom;
        }

        private void SetVCenterText(TextBox userdefineTextBox)
        {
            RECT rc;
            long UserControlTop;
            long UserControlBottom;
            if(userdefineTextBox.Multiline == false)
            {
                SendMessage(userdefineTextBox.hwnd, EM_GETRECT, 0, rc);
                UserControlTop = ((rc.Bottom - rc.Top) - (UserControl.Parent.TextHeight("H")/Screen.TwipsPerPixelY))/2;
                UserControlBottom = ((rc.Bottom - rc.Top) + (UserControl.Parent.TextHeight("H") / Screen.TwipsPerPixelY))/2;
                rc.Top = UserControlTop;
                rc.Bottom = UserControlBottom;

                userdefineTextBox.Alignment = vbCenter;

                SendMessage(userdefineTextBox.hwnd, EM_SETRECTNP, 0, rc);

                userdefineTextBox.Refresh();
            }
        }

        private void UserControl_Resize()
        {
            textBox1.Top = 0;
            textBox1.Left = 0;
            textBox1.Height = UserControl.Height;
            textBox1.Width = UserControl.Width;
            SetVCenterText(textBox1);
        }

这个是我简单翻译Vb->C#的代码 但是里边好多东西都没有的 请大家帮看看

[胖胖_多多]

userdefineTextBox.hwnd
UserControl.Parent
Screen.TwipsPerPixelY
userdefineTextBox.Alignment = vbCenter;
UserControl.Height
UserControl.Width;

以上这几个东西应该怎么写啊

[LutzMark]

没弄过 帮顶

[胖胖_多多]

if(userdefineTextBox.Multiline == false)
这个写错了 应该是
if(userdefineTextBox.Multiline == true)

[胖胖_多多]

哈哈 谢谢yuxuanji

我也是 vb 和 c# 基本都没有用过 然后给朋友改点东西
用.net 2005 遇到textBox不垂直居中这个问题，它好像是默认的底下空那么一点

大家都说要重写这个控件

[胖胖_多多]

大家帮来看看啊

[zhouyanfss]

[Quote=引用 12 楼 builderc 的回复:]
引用 11 楼 rihyou 的回复:
Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
这句话翻译成C#  应该怎么写啊


C# codestruct LVITEM
{private Int32 mask;private Int32 iItem;private Int32 iSubItem;private Int32 state;private Int32 stateMask;privatestring pszText;private Int32 cchTextMax;private Int32 iImage;private Int32 lParam;private Int32 iIndent;
}


[DllImport("user32.dll", EntryPoint="SendMessageA")]staticextern Int32 SendMessageA (Int32 hwnd, Int32 wMsg, Int32 wParam, LVITEM pitem);
[/Quote]
long 对应的是Int64,直接用long就可以了

[胖胖_多多]

有没有哪位给了直接能用的阿

[zhushoudong]

你说垂直居中的 是有属性 设置的HorizontalAlignment.Center