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preview.zip
... and has properties of both TScrollBox component and TPrinter class. The key features of TPrintPreview are:
Automatically adjusts printer s paper size and orientation at the print time
Automatically adjusts mapping modes
Preview pages can be scaled ...
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NicePreview.zip
... feature to your application, bypassing a nitty-gritty screen-printer dpi (dot per inch) issue. All you have to ... All in pixel coordinate.
NicePreview will not be notified when printer configurations change. So you have to call ReadPrinterConfig method ...
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printer.rar
这是一个使用单片机串行通信口通过RS232总线与PC进行通信的测试程序,无需扩展.
可将DB9的第2和第3脚短路,进行自收自发测试.
采用串行中断接收,速率:9600,通信方式3,晶振使用:osc=11.0592MHz
使用SW1-SW6键盘发送文本数字1-6,数码管显示接收的ASCII数据
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