delphi 畫粗虛線方法

1：寬度爲1的虛線能夠經過設置pen的style.如 image1.canvas.Pen.Width:=1; image1.canvas.Pen.Style:=psDash; image1.canvas.MoveTo(0,0); image1.canvas.LineTo(100,100); 但當寬度大於1時，Dotted or dashed pen styles無效。不過你 能夠一段一段的畫來實現

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