Printing is no longer tied to a specific device , and the concept of a default printer for an application is no longer valid 打印不再绑定到特定设备，应用程序的默认打印机概念不再有效。
Provides printing programmatically to the default printer , along with safe printing through semirestricted dialog box 提供到默认打印机的编程打印，以及通过一个半限制对话框进行的安全打印。
It is restricted to default - printer use only if it uses a common dialog to allow the user to select a printer 如果它使用通用对话框来允许用户选择打印机，将被限制为只具有默认打印机使用权限。
Class can be used to determine if a printer is the default , but printing is no longer halted if the default printer changes 属性可用于确定打印机是否是默认的，但如果默认打印机更改，打印将不再暂停。
Printers collection to find a printer with certain attributes and then set that printer to be the default printer for your application 集合以查找具有某些属性的打印机，然后将该打印机设置为您的应用程序的默认打印机。
For instance , the printing permission , which at one level would allow printing to the default printer only , at another level would allow printing to any printer 例如打印权限，在某一级别上只允许在默认打印机上打印，在另一级别上则允许在任何一台打印机上打印。
Printer object always points to the same printer , or whether it changes the printer it points to if you change the default printer setting in the operating system s control panel . changing the 对象是否总是指向同一打印机，或者确定当您在操作系统的“控制面板”中更改了默认打印机设置的情况下是否更改它指向的打印机。
