260 lines
5.1 KiB
Markdown
260 lines
5.1 KiB
Markdown
---
|
||
title: Winform
|
||
date: 2022-11-18 14:48:31
|
||
author: 文永达
|
||
top_img: https://gcore.jsdelivr.net/gh/volantis-x/cdn-wallpaper/abstract/B951AE18-D431-417F-B3FE-A382403FF21B.jpeg
|
||
---
|
||
|
||
# Winform
|
||
|
||
## Net Framework
|
||
|
||
### 控件属性
|
||
|
||
#### Name
|
||
|
||
表示控件名
|
||
|
||
```c#
|
||
this.button1.Name = "button1";
|
||
```
|
||
|
||
#### Text
|
||
|
||
表示控件文本显示
|
||
|
||
```c#
|
||
this.button.Text = "button1";
|
||
```
|
||
|
||
### 控件事件
|
||
|
||
#### button按钮
|
||
|
||
##### click
|
||
|
||
#### comboBox
|
||
|
||
##### SelectedIndexChanged
|
||
|
||
问题：SelectedIndexChanged控件，初始加载的时候总会进去两次，SelectedValue 值总为System.Data.DataRowView。
|
||
|
||
原因：最后才发现自己是先绑定数据源，后设置控件ValueMember和DisplayMember属性。
|
||
|
||
解决办法：正确的做法是先设置这两个属性，后绑定数据源。
|
||
|
||
##### 绑定数据源
|
||
|
||
```c#
|
||
DataTable dt = new DataTable();
|
||
dt.Columns.Add("ID", typeof(string));
|
||
dt.Columns.Add("NAME", typeof(string));
|
||
|
||
DataRow dr = dt.NewRow();
|
||
dr["ID"] = "1";
|
||
dr["NAME"] = "NAME1";
|
||
|
||
dt.Rows.Add(dr);
|
||
|
||
dr = dt.NewRow();
|
||
dr["ID"] = "2";
|
||
dr["NAME"] = "NAME2";
|
||
|
||
dt.Rows.Add(dr);
|
||
this.comboBox1.DisplayMember = "NAME";
|
||
this.comboBox1.ValueMember= "ID";
|
||
this.comboBox1.DataSource = dt;
|
||
```
|
||
|
||
|
||
|
||
### 控件文本显示国际化
|
||
|
||
#### 使用资源文件方式
|
||
|
||
在解决方案根目录新建`App_GlobalResources`文件夹
|
||
|
||
新建 `Resource.en-US.resx` 资源文件
|
||
|
||
放置英文文本
|
||
|
||
新建 `Resource.resx`资源文件
|
||
|
||
放置默认简体中文文本
|
||
|
||
根目录新建 `ResourceCulture.cs`类
|
||
|
||
```c#
|
||
using System;
|
||
using System.Collections.Generic;
|
||
using System.Globalization;
|
||
using System.Linq;
|
||
using System.Resources;
|
||
using System.Text;
|
||
using System.Threading;
|
||
|
||
namespace WindowsFormsApp1
|
||
{
|
||
public class ResourceCulture
|
||
{
|
||
// 设置需要的语言文本资源文件
|
||
public static void SetCurrentCulture(string name)
|
||
{
|
||
if (string.IsNullOrEmpty(name))
|
||
{
|
||
name = "en-US";
|
||
}
|
||
Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo(name);
|
||
}
|
||
// 获取资源文件中的文本
|
||
public static string GetString(string id)
|
||
{
|
||
string strCurLanguage = "";
|
||
try
|
||
{
|
||
ResourceManager rm = new ResourceManager("WindowsFormsApp1.App_GlobalResources.Resource",
|
||
System.Reflection.Assembly.GetExecutingAssembly());
|
||
CultureInfo ci = Thread.CurrentThread.CurrentCulture;
|
||
|
||
strCurLanguage = rm.GetString(id, ci);
|
||
}
|
||
catch
|
||
{
|
||
strCurLanguage = "No id" + id + ", please add.";
|
||
}
|
||
return strCurLanguage;
|
||
}
|
||
}
|
||
}
|
||
|
||
```
|
||
|
||
控件里调用
|
||
|
||
新建initRes()方法
|
||
|
||
```c#
|
||
private void initRes()
|
||
{
|
||
|
||
// 设置 窗体form 名称
|
||
this.Text = ResourceCulture.GetString("Form1_frmText");
|
||
// 设置 分组框 groupbox 名称
|
||
this.gbLanguageView.Text = ResourceCulture.GetString("gbLanguageView_frmText");
|
||
this.gbLanguageSelection.Text = ResourceCulture.GetString("gbLanguageSelection_frmText");
|
||
}
|
||
```
|
||
|
||
可以在窗体初始化调用加载
|
||
|
||
```c#
|
||
private void Form1_Load(object sender, EventArgs e)
|
||
{
|
||
|
||
this.initRes();
|
||
}
|
||
```
|
||
|
||
如果是一个切换语言的窗体
|
||
|
||
新建可以切换的控件，这里使用`RadioButton`，因为是中英文切换，所以需要建两个`RadioButton`
|
||
|
||
使用`click`事件
|
||
|
||
```c#
|
||
private void radioButton1_CheckedChanged(object sender, EventArgs e)
|
||
{
|
||
ResourceCulture.SetCurrentCulture("en-US");
|
||
this.SetResourceCulture();
|
||
}
|
||
|
||
private void radioButton2_CheckedChanged(object sender, EventArgs e)
|
||
{
|
||
ResourceCulture.SetCurrentCulture("zh-CN");
|
||
this.SetResourceCulture();
|
||
}
|
||
```
|
||
|
||
## Net Core
|
||
|
||
### 打开其他窗体的三种方式
|
||
|
||
#### Show
|
||
|
||
例如登入界面进入主页面，直接将主页面展示出来，两个窗体互不影响
|
||
|
||
```c#
|
||
public partial class Form1 : Form
|
||
{
|
||
public Form1()
|
||
{
|
||
InitializeComponent();
|
||
}
|
||
|
||
private void button1_Click(object sender, EventArgs e)
|
||
{
|
||
Form2 form2 = new Form2();
|
||
form2.Show();
|
||
}
|
||
}
|
||
```
|
||
|
||
#### Owner
|
||
|
||
例如text文件中的“替换”选项，打开界面后不关闭也是允许操作主页面的
|
||
|
||
```c#
|
||
public partial class Form1 : Form
|
||
{
|
||
public Form1()
|
||
{
|
||
InitializeComponent();
|
||
}
|
||
|
||
private void button1_Click(object sender, EventArgs e)
|
||
{
|
||
Form2 form2 = new Form2();
|
||
form2.Owner = this;
|
||
form2.Show();
|
||
}
|
||
}
|
||
```
|
||
|
||
#### ShowDialog
|
||
|
||
例如text文件中的“打开”选项，打开界面后不关闭是不允许操作主页面的
|
||
|
||
### 让子窗体显示在父窗体之上
|
||
|
||
```c#
|
||
public partial class Form1 : Form
|
||
{
|
||
public Form1()
|
||
{
|
||
InitializeComponent();
|
||
}
|
||
|
||
private void button1_Click(object sender, EventArgs e)
|
||
{
|
||
Form2 form2 = new Form2();
|
||
form2.Show(this); // this代表父窗体也就是Form1
|
||
}
|
||
}
|
||
```
|
||
|
||
### TextBox
|
||
|
||
#### 属性
|
||
|
||
##### Multiline
|
||
|
||
控制编辑控件的文本是否能够跨越多行。
|
||
|
||
##### ScrollBars
|
||
|
||
指示对于多行编辑控件，将为此控件显示哪些滚动条
|
||
|
||
##### WordWrap
|
||
|
||
指示多行编辑控件是否自动换行
|