C#文本框获得光标弹出输入法

Question

如题

Answer 1

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 InputLanguageSwitch
{
    /// <summary>
    /// 获取系统所有的输入法，并可以程序改变当前输入法；打开关闭软键盘。
    /// </summary>
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            //this.InputLanguageChanged += new InputLanguageChangedEventHandler(Form1_InputLanguageChanged);
        }        //void Form1_InputLanguageChanged(object sender, InputLanguageChangedEventArgs e)
        //{
        //    //throw new Exception("The method or operation is not implemented.");
        //    for( int i=0;i<comboBox1.Items.Count;i++)
        //    {
        //        if (InputLanguage.CurrentInputLanguage.LayoutName == comboBox1.Items[i].ToString())
        //        {
        //            comboBox1.SelectedIndex = i;
        //        }        //    }
        //}        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            string strTemp = comboBox1.Items[comboBox1.SelectedIndex].ToString(); 
            InputLanguageCollection collects = InputLanguage.InstalledInputLanguages;
            for (int i = 0; i < collects.Count; i++)
            {
                if (collects[i].LayoutName == strTemp)
                    InputLanguage.CurrentInputLanguage = collects[i];
            }
            
        }        private void Form1_Load(object sender, EventArgs e)
        {
            InputLanguageCollection collects = InputLanguage.InstalledInputLanguages;
            for (int i = 0; i < collects.Count; i++)
            {
                comboBox1.Items.Add(collects[i].LayoutName);
            }
            comboBox1.SelectedIndex = collects.IndexOf(InputLanguage.CurrentInputLanguage);
        }        private void button1_Click(object sender, EventArgs e)
        {
            this.textBox1.Focus();
            IntPtr hwndInput = ImmGetContext(this.Handle);
            IntPtr dw1 = IntPtr.Zero;
            IntPtr dw2 = IntPtr.Zero;
            bool isSuccess = ImmGetConversionStatus(hwndInput, ref dw1, ref dw2);
            if (isSuccess)
            {
                int intTemp = dw1.ToInt32() & IME_CMODE_SOFTKBD;
                if (intTemp > 0)
                    dw1 = (IntPtr)(dw1.ToInt32() ^ IME_CMODE_SOFTKBD);
                else
                    dw1 = (IntPtr)(dw1.ToInt32() | IME_CMODE_SOFTKBD);
            }
            isSuccess = ImmSetConversionStatus(hwndInput, dw1, dw2);
            ImmReleaseContext(this.Handle, hwndInput);
        }        public const int IME_CMODE_SOFTKBD = 0x80;        [DllImport("imm32.dll", EntryPoint = "ImmGetContext")]
        public static extern IntPtr ImmGetContext(
                IntPtr hwnd
        );
        [DllImport("imm32.dll", EntryPoint = "ImmGetConversionStatus")]
        public static extern bool ImmGetConversionStatus(
                IntPtr himc,
                ref IntPtr lpdw,
                ref IntPtr lpdw2
        );
        [DllImport("imm32.dll", EntryPoint = "ImmSetConversionStatus")]
        public static extern bool ImmSetConversionStatus(
                IntPtr himc,
                IntPtr dw1,
                IntPtr dw2
        );        [DllImport("imm32.dll", EntryPoint = "ImmReleaseContext")]
        public static extern int ImmReleaseContext(
                IntPtr hwnd,
                IntPtr himc
        );       }
}
我也是从网上拷贝过来的，测试可以用，你自己拷贝一下试试