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(PB)dll功能:1.将不可为0的页边距设置为02.任意设置纸张大小,而不管你连接的是哪个打印机,也不管此打印机是否支持此大小(如果设定范围超出打印机支持的范围后,打印机将只能打印有效范围,不能打印的区域自动失效)dll特点:1.适用环境限WIN NT系列(WIN NT、WIN 2000、WIN XP)2.适用任意系列打印机、网络打印机、USB端口打印机3.不更改系统默认打印机设置、不更改纸张设置、不影响其它打印程序的打印设置及效果。dll的使用:1.声明函数,见例程的全局函数声明2.安装服务,通常只需在程序启动时,调用一次即可。3.设置纸张大小4.卸载服务。通常只需在程序退出时,调用一次即可。在应用程序正式运行情况下,此步也可不要,程序退出时dll会自动卸载;但是在PB环境下运行时,程序退出时dll还会驻留在PB的内存空间,很容易造成PB崩溃!-(PB) dll function : 1. 0 will not be allowed to set the page margins to 02. Arbitrarily set paper size, and whether you are connected to the printer which, regardless of whether this printer support this size (if the printer supports beyond the scope, the printer will only Print can be effective, can not print the regional automatically lapse) dll characteristics : 1. the application of environmental restrictions WIN NT series (WIN NT, 2000 WIN, WIN XP) 2. apply arbitrary series printers, network printers, printer three USB ports. not to change the system EC default printer settings, not to change the paper setti