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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