labview实现pdf调用编辑和修改等多个功能，是llb文件，包含多个函数，可自由调用-labview pdf call edit and modify several functions, llb file that contains multiple functions, are free to call

附件是labview编辑的字符串加密vi代码，希望能够给初学labview的同仁带来点帮助.-The attachment is the string encryption vi labview edit code, and want to be able to bring help to the beginner labview colleagues.

通过labview的树形控件来选择并编辑数据，同时将选择的数据显示在右侧的波形图表中。整个界面可根据用户需求自动缩放大小。(Select and edit data through the tree control of the LabVIEW, and display the selected data on the right side of the waveform chart. The entire interface can be scaled automatically accord