Asprise OCR 5.01，去除试用对话框，aocr.dll 使用： private const string OCR_DLL_NAME_32 = "aocr.dll"; [DllImport(OCR_DLL_NAME_32, CharSet = CharSet.Ansi)] public static extern int com_asprise_ocr_setup(int queryOnly); [DllImport(OCR_DLL_NAME_32, CharSet = CharSet.Ansi)] public static extern IntPtr com_asprise_ocr_start(string lang, string speed); [DllImport(OCR_DLL_NAME_32, EntryPoint = "com_asprise_ocr_recognize")] public static extern IntPtr com_asprise_ocr_recognize(Int64 handle, string imgFiles, int pageIndex, int startX, int startY, int width, int height, string recognizeType, string outputFormat, string propSpec, string propSeparator, string propKeyValueSpeparator); [DllImport(OCR_DLL_NAME_32, CharSet = CharSet.Ansi)] public static extern void com_asprise_ocr_util_delete(Int64 handle, bool isArray); com_asprise_ocr_setup(0); IntPtr _handle = com_asprise_ocr_start("eng", "fastest"); IntPtr ptr = com_asprise_ocr_recognize(_handle.ToInt64(), [图片路径], -1, -1, -1, -1, -1, "all", "text", "", "|", "="); string s = Marshal.PtrToStringAnsi(ptr).Replace("\n", ""); ============ 官方下载：http://asprise.com/royalty-free-library/ocr-api-for-java-csharp-vb.net.html

aocr.dll 破解版 支持32位使用 源码：https://download.csdn.net/download/qc_id_01/10465252

C#开源图像识别dll15.3版本，可以添加引用使用，可以解析图片并识别文字，用于识别扫描书籍图片、解析验证码等。

完美解决试用期弹出对话框的问题，同时去除了单词使用100次调用的问题。 本次上传的是32位/64位破解版dll及自适应系统调用控件AspriseOcr.dll 使用方式可以去官网下载最新版及实例 http://cdn.asprise.com/ocr/files/downloads/15/asprise-ocr-csharp-vb.net-15.3-trail.zip ----------- 目前自己在系统调试使用中一切正常。