鼠标手写输入法 电脑上怎么手写输入

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在如今这个时代，对这个功能的需求量可能已经很少了，但是这也不妨碍我们或多或少的会碰到一些稀奇古怪的需求，多接触一些总归是没错的。文章源自略懂百科-http://wswcn.cn/54620.html

本篇主要是用到了Microsoft.Ink来实现一个手写输入，也就是类似于手机输入法中的手写功能。文章源自略懂百科-http://wswcn.cn/54620.html

实现功能：文章源自略懂百科-http://wswcn.cn/54620.html

用鼠标或者手指在屏幕上写字并识别输入到文本框文章源自略懂百科-http://wswcn.cn/54620.html

开发环境：文章源自略懂百科-http://wswcn.cn/54620.html

开发工具： Visual Studio 2013文章源自略懂百科-http://wswcn.cn/54620.html

.NET Framework版本：4.5文章源自略懂百科-http://wswcn.cn/54620.html

实现代码：文章源自略懂百科-http://wswcn.cn/54620.html

InkCollector ink;
RecognizerContext recogn;publicinputFrm(){
InitializeComponent();
Control.ControlCollection btnList = panel3.Controls;foreach(Control cinbtnList)
{
(casButton).Click += (s, e) =>
{if(textBox1.Text.Length >0)
{intintStart = textBox1.SelectionStart;
textBox1.Text = textBox1.Text.Remove(intStart -1,1);
textBox1.Text = textBox1.Text.Insert(intStart -1, (sasButton).Text);
textBox1.SelectionStart = intStart;
}
};
}
}privatevoidinputFrm_Load(objectsender, EventArgs e){//创建笔画采集器ink =newInkCollector(picText.Handle);
ink.Enabled =true;
ink.Stroke +=newInkCollectorStrokeEventHandler((s, e1) =>
{
recogn.StopBackgroundRecognition();
recogn.Strokes.Add(e1.Stroke);
recogn.BackgroundRecognizeWithAlternates(0);
});//创建识别器Recognizers recs =newRecognizers();
Recognizer rec = recs.GetDefaultRecognizer();
recogn = rec.CreateRecognizerContext();
recogn.RecognitionFlags = RecognitionModes.WordMode;
recogn.Strokes = ink.Ink.Strokes;
recogn.RecognitionWithAlternates +=newRecognizerContextRecognitionWithAlternatesEventHandler((s, e1) =>
{stringresult ="";
RecognitionAlternates alts;if(e1.RecognitionStatus == RecognitionStatus.NoError)
{
alts = e1.Result.GetAlternatesFromSelection();foreach(RecognitionAlternate altinalts)
{
result += alt.ToString() +" ";
}
}
result = result.Trim();
Control.CheckForIllegalCrossThreadCalls =false;string[] arr = result.Split();for(inti =0; i < arr.Length; i++)
{stringstr ="btnSelect_"+ (i +1);
Control btn = panel3.Controls.Find(str,false).First();
btn.Text = arr[i];
}文章源自略懂百科-http://wswcn.cn/54620.html

Control.CheckForIllegalCrossThreadCalls =true;文章源自略懂百科-http://wswcn.cn/54620.html

});文章源自略懂百科-http://wswcn.cn/54620.html

}privatevoidpicText_MouseUp(objectsender, MouseEventArgs e){
timer1.Enabled =true;
}privatevoidpicText_MouseDown(objectsender, MouseEventArgs e){
timer1.Enabled =false;
}privatevoidtimer1_Tick(objectsender, EventArgs e){
Write();if(!ink.CollectingInk)
{
Strokes strokesToDelete = ink.Ink.Strokes;
recogn.StopBackgroundRecognition();
ink.Ink.DeleteStrokes(strokesToDelete);
recogn.Strokes = ink.Ink.Strokes;
ink.Ink.DeleteStrokes();
picText.Refresh();
}
timer1.Stop();
}privatevoidWrite(){
List lstPoints =newList();foreach(varstrokeinink.Ink.Strokes)
{
lstPoints.AddRange(stroke.GetPoints());
}
ink.Ink.DeleteStrokes();
Stroke sk = ink.Ink.CreateStroke(lstPoints.ToArray());
recogn.Strokes.Add(sk);
textBox1.SelectedText = ink.Ink.Strokes.ToString();
}privatevoidbtnDel_Click(objectsender, EventArgs e){if(!string.IsNullOrEmpty(textBox1.Text))
textBox1.Text = textBox1.Text.Substring(0, textBox1.Text.Length -1);
}privatevoidbtnClear_Click(objectsender, EventArgs e){if(!ink.CollectingInk)
{
Strokes strokesToDelete = ink.Ink.Strokes;
recogn.StopBackgroundRecognition();
ink.Ink.DeleteStrokes(strokesToDelete);
recogn.Strokes = ink.Ink.Strokes;
ink.Ink.DeleteStrokes();
picText.Refresh();
textBox1.Clear();
}
}文章源自略懂百科-http://wswcn.cn/54620.html

实现效果：文章源自略懂百科-http://wswcn.cn/54620.html

最后附上一个关于Microsoft.Ink的API说明文档：https://docs.microsoft.com/en-us/previous-versions/dotnet/netframework-3.5/ms581553(v=vs.90)，以方便大家更加详细的了解以及使用。文章源自略懂百科-http://wswcn.cn/54620.html

有需要源代码的朋友们可私信：手写输入获取文章源自略懂百科-http://wswcn.cn/54620.html

由简入繁，拿来即用文章源自略懂百科-http://wswcn.cn/54620.html

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