corelvba/simple/cropline.bas

' Attribute VB_Name = "裁切线"
Sub start()
    '// 代码运行时关闭窗口刷新
    Application.Optimization = True
    ActiveDocument.BeginCommandGroup  '一步撤消'

     '// 设置当前文档 尺寸单位mm 出血和线长
    ActiveDocument.Unit = cdrMillimeter
    Bleed = 2
    line_len = 3

    Dim OrigSelection As ShapeRange
    Set OrigSelection = ActiveSelectionRange
    
    '// 定义当前选择物件 分别获得 左右下上中心坐标(x,y)和尺寸信息
    Dim s1 As Shape

    For Each Target In OrigSelection
        Set s1 = Target
        lx = s1.LeftX:      rx = s1.RightX
        by = s1.BottomY:    ty = s1.TopY
        cx = s1.CenterX:    cy = s1.CenterY
        sw = s1.SizeWidth:  sh = s1.SizeHeight
        
        '//  添加裁切线，分别左下-右下-左上-右上
        Dim s2, s3, s4, s5, s6, s7, s8, s9 As Shape
        Set s2 = ActiveLayer.CreateLineSegment(lx - Bleed, by, lx - (Bleed + line_len), by)
        Set s3 = ActiveLayer.CreateLineSegment(lx, by - Bleed, lx, by - (Bleed + line_len))

        Set s4 = ActiveLayer.CreateLineSegment(rx + Bleed, by, rx + (Bleed + line_len), by)
        Set s5 = ActiveLayer.CreateLineSegment(rx, by - Bleed, rx, by - (Bleed + line_len))

        Set s6 = ActiveLayer.CreateLineSegment(lx - Bleed, ty, lx - (Bleed + line_len), ty)
        Set s7 = ActiveLayer.CreateLineSegment(lx, ty + Bleed, lx, ty + (Bleed + line_len))

        Set s8 = ActiveLayer.CreateLineSegment(rx + Bleed, ty, rx + (Bleed + line_len), ty)
        Set s9 = ActiveLayer.CreateLineSegment(rx, ty + Bleed, rx, ty + (Bleed + line_len))

        '// 选中裁切线 群组 设置线宽和注册色
        ActiveDocument.AddToSelection s2, s3, s4, s5, s6, s7, s8, s9
        ActiveSelection.Group
        ActiveSelection.Outline.SetProperties 0.1
        ActiveSelection.Outline.SetProperties Color:=CreateRegistrationColor
    
    Next Target

    ActiveDocument.EndCommandGroup
    '// 代码操作结束恢复窗口刷新
    Application.Optimization = False
    ActiveWindow.Refresh
    Application.Refresh
End Sub