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zr2001
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用delphi 5.5 开发打印程序,请问printer.canvas.textheight('X') 是啥意思?它的值和那些因素
有关系,如果改变了printer.canvas.font.size 的值,printer.canvas.textheight('X') 会改变吗?[?][?][?][?][?][?]
有关系,如果改变了printer.canvas.font.size 的值,printer.canvas.textheight('X') 会改变吗?[?][?][?][?][?][?]