帮助里说的很清楚:
Indicates the number copies selected in the Print dialog.If Copies is 0 or 1, the dialog will have 1 in the Number of Copies field. To make the dialog open with 2 or more copies selected, set the value of Copies in the Object Inspector or in program code.
Indicates the number copies selected in the Print dialog.If Copies is 0 or 1, the dialog will have 1 in the Number of Copies field. To make the dialog open with 2 or more copies selected, set the value of Copies in the Object Inspector or in program code.
就是在设置printdialog显示时缺省的打印份数