此为工业电视监控系统里所用的云台控制部分,、矩阵切换及多画面切换工具软件，兼容常用的控制协议-such as industrial TV monitoring system that used in the tilt control, and matrix switching and multi-screen switching software tools, compatible with the control protocol used

解决一个BUG, 当导出大字体时或者是将导出窗体切换到后台时导出点阵为空白或者只导出局部, 已解决些BUG, 办法是将导出界面设置为系统模态窗体, 将输入自定字符的窗体在导出字符点阵前关闭, 避免挡住字符点阵图