asp.net的数字签名控制 [英] Digital signature control for asp.net

问题描述

我想添加签名功能，以便用户可以使用鼠标画他的唱歌，并且此符号应存储在图像文件中.我在Google中搜索了此代码，发现有很多第三方控件，或者有人说可以使用silverlight或Flash或html5来实现.但是可以使用asp.net或javascript或ajax或jquery创建我自己的控件.我可以使用System.Graphics类在鼠标单击事件上绘制线条以绘制线条，然后将其存储在图像中.我不想使用其他第三方控件，也无法使用Flash.如果使用silverlight或html5很容易，那么我想显示一些示例代码.请指导我.

I want to add signature facility where user can draw his sing using mouse and after that sign should be stored in Image file. I searched this in google and I find lots of third party controls, or some said it can be accomplished using silverlight or flash or html5. But is it possible to create my own control using asp.net or javascript or ajax or jquery. Can I use System.Graphics class to draw lines on mouse click event to draw the line and after that stored in image. I don''t want to other third party control and not able to use flash. If it is easy using silverlight or html5 then I want to show some sample code. Please guide me.

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在.NET中实施数字签名 [

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