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在天极网上发布的各类delphi原码及技巧文档

 　　begin //打印DBGrid中的所有列<br>
 　　 for i:=0 to DBGrid1.FieldCount－1 do<br>
 　　 begin<br>
 　　//假如所要打印的列超出了打印范围，则忽略该列<br>
 　　if (x+DBGrid1.Columns.Items[i].Width*PointScale)〈=(Printer.PageWidth－PointX*RightBlank) 
 then<br>
 　　 begin //画表格线<br>
 //每页的第一行打印表头<br>
 　 Printer.Canvas.Rectangle(x,y,x+DBGrid1.Columns.<br>
 Items[i].Width*PointScale,y+PrintStep); <br>
 　 if y=PointY*TopBlank then<br>
 　　 Printer.Canvas.TextOut(x+8,y+8,DBGrid1.Columns[i].Title.Caption)<br>
 　　 else<br>
 　　 Printer.Canvas.TextOut(x+8,y+8,DBGrid1.Fields[i].asString);<br>
 　　end; //计算下一列的横坐标<br>
 <br>
 　　 x:=x+DBGrid1.Columns.Items[i].Width*PointScale;<br>
 　　end;<br>
 <br>
 　 if not (y=PointY*TopBlank) then <br>
 (DataSource1.DataSet).next;<br>
 <br>
 　　 x:=PointX*LeftBlank;<br>
 　 y:=y+PrintStep; //换页<br>
 　 if (y+PrintStep)〉(Printer.PageHeight－PointY*BottomBlank) then<br>
 　 begin<br>
 　　 Printer.NewPage;<br>
 　　 y:=PointY*TopBlank;<br>
 　　 end;<br>
 　 end;<br>
 <br>
 　 printer.EndDoc;<br>
 　　 (DataSource1.DataSet).First;<br>
 　　 Application.MessageBox(′打印完成′,′打印′,32);<br>
 　　end;<br>
 end;<br></p>
 </blockquote>
 

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