Description: Google refresh waveform without distorting color imitation Asp.net Refresh verification code no: that is, both the general site, " are not clear, click on the replacement" , " replace the verification code," the kind of waveform distortion function: similar to google code, this can more effective verification code to prevent the robot was broken into and the extent of specific distortions in their own settings (Wave sinusoid waveform distortion generated image filter effects) Color: random characters are case-sensitive color: is random, of course, not in order to facilitate the importation of restrictions on the case, but also can modify Oh
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仿Google 波形扭曲验证码
.......................\51aspx源码必读.txt
.......................\Default.aspx
.......................\Default.aspx.cs
.......................\VerifyCode.aspx
.......................\VerifyCode.aspx.cs
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