这篇文章主要介绍了C#如何打开软键盘,具有一定借鉴价值,感兴趣的朋友可以参考下,希望大家阅读完这篇文章之后大有收获,下面让小编带着大家一起了解一下。
注:程序是在VS2005里面,注意一下。控件需要自己添加了。一个ComboBox,一个Textbox,一个Button,直接拖进去没有更改name
用C#打开软键盘程序开始
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。 /// 程序:房客 /// QQ:83849123 /// Blog:http://www.cnblogs.com/sxlfybb /// </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 ); } }
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