Sets the value of %GTK_PRINT_SETTINGS_PAPER_FORMAT, %GTK_PRINT_SETTINGS_PAPER_WIDTH and %GTK_PRINT_SETTINGS_PAPER_HEIGHT.
a paper size
2.10
See Implementation
Sets the value of %GTK_PRINT_SETTINGS_PAPER_FORMAT, %GTK_PRINT_SETTINGS_PAPER_WIDTH and %GTK_PRINT_SETTINGS_PAPER_HEIGHT.