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Cocoa 打印机选项仅提供纵向,无切换选项_Cocoa_Printing_Nsprintoperation_Nsprintinfo - Fatal编程技术网

Cocoa 打印机选项仅提供纵向,无切换选项

Cocoa 打印机选项仅提供纵向,无切换选项,cocoa,printing,nsprintoperation,nsprintinfo,Cocoa,Printing,Nsprintoperation,Nsprintinfo,我正在使用[[NSPrintOperation printOperationWithView:drawingView]runOperation]我得到这个视图: 没有选择横向或纵向的选项 我发现我可以使用[[NSPrintOperation printOperationWithView:drawingView printInfo:info]runOperation] 并设置info.orientation=NSPaperOrientationLandscape。在这种情况下,我会在横向预览,但

我正在使用
[[NSPrintOperation printOperationWithView:drawingView]runOperation]我得到这个视图:

没有选择横向或纵向的选项 我发现我可以使用
[[NSPrintOperation printOperationWithView:drawingView printInfo:info]runOperation]
并设置
info.orientation=NSPaperOrientationLandscape
。在这种情况下,我会在横向预览,但用户没有选择


我怎样才能提供选择?(注意:我在“显示详细信息”下也看不到它)

纵向和横向按钮位于页面布局面板(文件菜单中的页面设置…)。请参见
NSPageLayout
-[NSApplication runPageLayout::
。可以将纵向和横向按钮添加到打印面板:

NSPrintPanel *printPanel = printOperation.printPanel;
printPanel.options |= NSPrintPanelShowsOrientation;
和/或

printPanel.options |= NSPrintPanelShowsPageSetupAccessory;

“显示细节”显示了什么?@DDP一个复杂的视图,但与景观无关