C# 全角半角转换 实例源码下载

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Runtime.InteropServices;using System.Windows.Forms;namespace SBCorDBC{ class controlIme { //声明一些API函数 [DllImport("imm32.dll")] public static extern IntPtr ImmGetContext(IntPtr Hwnd); [DllImport("imm32.dll")] public static extern bool ImmGetOpenStatus(IntPtr Himc); [DllImport("imm32.dll")] public static extern bool ImmSetOpenStatus(IntPtr Himc, bool b1); [DllImport("imm32.dll")] public static extern bool ImmGetConversionStatus(IntPtr Himc, ref int lp, ref int lp2); [DllImport("imm32.dll")] public static extern int ImmSimulateHotKey(IntPtr Hwnd, int lnHotkey); public const int IME_CMODE_FULLSHAPE = 0x8; public const int IME_CHOTKEY_SHAPE_TOGGLE = 0x11; public static void SetIme(Control ctl) { ChangeControl(ctl); } private static void ChangeControl(Control ctl) { //在控件的Click事件中触发来调整输入法状态 ctl.Click = new EventHandler(ctl_Click); } //控件的Click处理程序 public static void ctl_Click(object sender, EventArgs e) { ChangeControlIState(sender); } private static void ChangeControlIState(object sender) { Control ctl = (Control)sender; ChangeControlIState(ctl.Handle); } //检查输入法的全角半角状态 public static void ChangeControlIState(IntPtr h) { IntPtr HIme = ImmGetContext(h); if (ImmGetOpenStatus(HIme)) //如果输入法处于打开状态 { int iMode = 0; int iSentence = 0; bool bSuccess = ImmGetConversionStatus(HIme, ref iMode, ref iSentence); //检索输入法信息 if (bSuccess) { if ((iMode & IME_CMODE_FULLSHAPE) > 0) //如果是全角 { iMode &= (~IME_CMODE_FULLSHAPE); ImmSimulateHotKey(h, IME_CHOTKEY_SHAPE_TOGGLE); //转换成半角 } else { ImmSimulateHotKey(h, IME_CHOTKEY_SHAPE_TOGGLE); //转换成全角 } } } } }}