C#窗体多语言切换（简繁）

多窗体最好继承一个父窗体，在父窗体Load事件中执行此方法

添加引用 using Microsoft.VisualBasic;

        #region 语言切换
        /// <summary>
        /// 语言切换
        /// </summary>
        public static void ChangeLanguage(Form f)
        {
            if (!StaticInfo.ChangeLanguage) return;

            //设置窗体标题
            f.Text = GetLanguage(f.Text);

            //遍历Form上的所有控件
            foreach (Control control in f.Controls)
            {
                if (control is Panel || control is GroupBox)
                {
                    foreach (Control con in control.Controls)
                    {
                        SetLanguage(con);
                    }
                }
                else
                {
                    SetLanguage(control);
                }
            }
        }

        private static void SetLanguage(Control con)
        {
            //设置按钮
            Button btn = con as Button;
            if (btn != null)
            {
                btn.Text = GetLanguage(btn.Text);
            }
            
            //设置文本标签
            Label lb = con as Label;
            if (lb != null)
            {
                lb.Text = GetLanguage(lb.Text);
            }
            
            //设置复选框
            CheckBox cb = con as CheckBox;
            if (cb != null)
            {
                cb.Text = GetLanguage(cb.Text);
            }
            
            //设置菜单栏
            MenuStrip ms = con as MenuStrip;
            if (ms != null)
            {
                foreach (ToolStripMenuItem item in ms.Items)
                {
                    if (StaticInfo.Language.ToUpper() == "CN")
                    {
                        item.Text = Strings.StrConv(item.Text, VbStrConv.TraditionalChinese, 1);
                        for (int i = 0; i < item.DropDownItems.Count; i++)
                        {
                            item.DropDownItems[i].Text = GetLanguage(item.DropDownItems[i].Text);
                        }
                    }
                    else
                    {
                        item.Text = Strings.StrConv(item.Text, VbStrConv.SimplifiedChinese, 1);
                        for (int i = 0; i < item.DropDownItems.Count; i++)
                        {
                            item.DropDownItems[i].Text = GetLanguage(item.DropDownItems[i].Text);
                        }
                    }
                }
            }

            //设置工具栏
            ToolStrip ts = con as ToolStrip;
            if (ts != null)
            {
                for (int i = 0; i < ts.Items.Count; i++)
                {
                    ts.Items[i].Text = GetLanguage(ts.Items[i].Text);
                }
            }

            //设置数据表格
            DataGridView dgv = con as DataGridView;
            if (dgv != null)
            {
                for (int i = 0; i < dgv.Columns.Count; i++)
                {
                    dgv.Columns[i].HeaderText = GetLanguage(dgv.Columns[i].HeaderText);
                }
            }

            //设置选项卡
            TabControl tc = con as TabControl;
            if (tc != null)
            {
                tc.Text = GetLanguage(tc.Text);

                for (int i = 0; i < tc.TabPages.Count; i++)
                {
                    tc.TabPages[i].Text = GetLanguage(tc.TabPages[i].Text);

                    foreach (Control c in tc.TabPages[i].Controls)
                    {
                        SetLanguage(c);
                    }
                }
            }

            //设置ListView
            ListView lv = con as ListView;
            if (lv != null)
            {
                for (int i = 0; i < lv.Columns.Count; i++)
                {
                    lv.Columns[i].Text = GetLanguage(lv.Columns[i].Text);
                }
            }

            //设置分组框
            GroupBox gb = con as GroupBox;
            if (gb != null)
            {
                foreach (Control control in gb.Controls)
                {
                    SetLanguage(control);
                }
            }
        }

        //获取当前语言下的文本
        private static string GetLanguage(string text)
        {
         return   Strings.StrConv(text,
                           StaticInfo.Language.ToUpper() == "CN"
                               ? VbStrConv.SimplifiedChinese
                               : VbStrConv.TraditionalChinese, 1);
        }

        #endregion