更新时间:2021-12-02 07:58:22
[ToolboxItem(true)] [Description("输入法控件与自动切换组件")] [ProvideProperty("Language", typeof(Component))] public class ChineseLanguageInput:Component, IExtenderProvider { private Dictionary<Control, InputLanguage> inputLanguageList = new Dictionary<Control, InputLanguage>(); private InputLanguage input = InputLanguage.CurrentInputLanguage; public ChineseLanguageInput() { } public ChineseLanguageInput(System.ComponentModel.IContainer container) { container.Add(this); } [Category("输入法")] [Description("获取/设置控件的输入法状态")] public Language GetLanguage(Control component) { if( inputLanguageList.Contains( component )) { return (Language)inputLanguageList[ component ]; } return Language.Default; } public void SetLanguage(Control component, Language c) { if (inputLanguageList.Contains(component) != true) { inputLanguageList.Add(component, c); System.Windows.Forms.Control currentC = (System.Windows.Forms.Control)component; currentC.Enter += new EventHandler(this.currentC_Enter); } else { inputLanguageList[component] = c; } } private void currentC_Enter(object sender, EventArgs e) { System.Windows.Forms.Control control = (System.Windows.Forms.Control)sender; if (this.GetLanguage(control) == Language.Chinese) { InputLanguage.CurrentInputLanguage = this.input; } else if (this.GetLanguage(control) == Language.English) { if (!object.Equals(InputLanguage.CurrentInputLanguage, InputLanguage.InstalledInputLanguages[0])) { this.input = InputLanguage.CurrentInputLanguage; } InputLanguage.CurrentInputLanguage = InputLanguage.InstalledInputLanguages[0]; } } #region IExtenderProvider 成员 bool IExtenderProvider.CanExtend(object component) { return component is System.Windows.Forms.Control; } #endregion }
/// <summary> /// 输入法语言。 /// </summary> public enum Language { /// <summary> /// 默认,不管他。 /// </summary> Default = 0, /// <summary> /// 英文输入法状态。 /// </summary> English = 1, /// <summary> /// 中文输入法状态。 /// </summary> Chinese = 2 }