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--  专家坐堂  (http://www.foxtable.com/bbs/list.asp?boardid=2)
----  [求助]窗体打印时,怎样让页面按比例打出来?  (http://www.foxtable.com/bbs/dispbbs.asp?boardid=2&id=101744)

--  作者:yj1041132457
--  发布时间:2017/6/6 14:25:00
--  [求助]窗体打印时,怎样让页面按比例打出来?
像这个窗口是按A5纸的比例设置的,那打印的时候怎样才能按这个比例打印出来?? 

图片点击可在新窗口打开查看
--  作者:有点色
--  发布时间:2017/6/6 15:10:00
--  

 比较困难,如果要这样,你就必须写一个通用的生成报表的代码

 

Dim doc As new PrintDoc

Doc.PageSetting.Width=180
Doc.PageSetting.Height=100
Doc.PageSetting.TopMargin=10
Doc.PageSetting.BottomMargin=0
Doc.PageSetting.LeftMargin=10
Doc.PageSetting.RightMargin=10

Dim wbl As Double = Doc.PageSetting.Width.value / e.Form.Width
Dim hbl As Double = Doc.PageSetting.Height.value / e.Form.Height
For Each c As object In e.Form.controls
    Dim nc As object
    If Typeof c Is winform.textbox OrElse Typeof c Is winform.label Then
        nc = new prt.RenderText
        nc.Text = c.text
    Else
       
    End If
    If nc IsNot Nothing Then
        nc.x =  new C1.C1Preview.Unit(CStr(c.left * wbl))
        nc.y = new C1.C1Preview.Unit(CStr(c.Top * hbl))
        nc.width = new C1.C1Preview.Unit(CStr(c.width * wbl))
        nc.height = new C1.C1Preview.Unit(CStr(c.height * hbl))
        Doc.Body.Children.Add(nc)
    End If
Next

doc.Preview()


--  作者:有点色
--  发布时间:2017/6/6 15:17:00
--  

完善一点的代码这样写

 

Dim doc As new PrintDoc

Doc.PageSetting.Width=180
Doc.PageSetting.Height=100
Doc.PageSetting.TopMargin=10
Doc.PageSetting.BottomMargin=0
Doc.PageSetting.LeftMargin=10
Doc.PageSetting.RightMargin=10

Dim wbl As Double = Doc.PageSetting.Width.value / e.Form.Width
Dim hbl As Double = Doc.PageSetting.Height.value / e.Form.Height
For Each obj As object In e.Form.controls
    Dim nc As object
    If Typeof obj Is winform.textbox OrElse Typeof obj Is winform.label Then
        nc = new prt.RenderText
        nc.Text = obj.text
        nc.Style.Font = obj.Font
    ElseIf Typeof obj Is winform.Table Then
        Dim rt As New prt.RenderTable \'定义一个新表格
        Dim tb As Table = obj.Table
        Dim ColNames As New List(Of String)
        For Each cl As Col In tb.Cols \'排除隐藏列
            If cl.Visible Then
                ColNames.Add(cl.Name)
            End If
        Next
        \'rt.Width = "Auto" \'表格宽度为自动,也就是等于各列设置宽度之和
        rt.SplitHorzBehavior = prt.SplitBehaviorEnum.SplitIfNeeded \'表格宽度超出页宽时,可以水平换页
        rt.Style.Font = tb.Font
        For c As Integer = 0 To ColNames.Count - 1 \'逐列设置和填入内容
            rt.Cells(0,c).Text = ColNames(c) \'列名作为标题
            rt.Cells(0,c).Style.TextAlignHorz = prt.AlignHorzEnum.Center \'标题内容水平居中
            \'    rt.Cols(c).Width = tb.Cols(ColNames(c)).PrintWidth \'列宽等于实际列宽
            If tb.Cols(ColNames(c)).IsNumeric OrElse tb.Cols(ColNames(c)).IsDate Then \'如果是数值或日期列
                rt.Cols(c).Style.TextAlignHorz = prt.AlignHorzEnum.Right \'数据水平靠右
            End If
            For r As Integer = 0 To tb.Rows.Count -1 \'开始填入该列内容
                rt.Cells(r + 1, c).Text = tb.Rows(r)(ColNames(c))
            Next
        Next
        rt.Style.Gridlines.All = New prt.Linedef(Color.Gray) \'灰色网格线
        rt.CellStyle.Spacing.All = 0.5 \'单元格内距设为0.5毫米
        rt.Rows(0).Style.TextAlignHorz = prt.AlignHorzEnum.Center \'第一行内容水平居中
        \'rt.RowGroups(0,1).Header = prt.TableHeaderEnum.All \'利用行组,将第一行设为表头.
        nc = rt
    End If
    If nc IsNot Nothing Then
        nc.x =  new C1.C1Preview.Unit(CStr(obj.left * wbl))
        nc.y = new C1.C1Preview.Unit(CStr(obj.Top * hbl))
        nc.width = new C1.C1Preview.Unit(CStr(obj.width * wbl))
        nc.height = new C1.C1Preview.Unit(CStr(obj.height * hbl))
        Doc.Body.Children.Add(nc)
    End If
Next

doc.Preview()


--  作者:aidimeng
--  发布时间:2018/12/23 15:08:00
--  

.NET Framework 版本:2.0.50727.5485
Foxtable 版本:2018.9.9.1
错误所在事件:窗口,报告,Button1,Click
详细错误信息:
添加的项目已经有所有者了。
去掉

Doc.Body.Children.Add(nc)

不报错,但现实的是空白 panel上有 web 与 lab 两个控件


--  作者:有点甜
--  发布时间:2018/12/23 15:49:00
--  

1、webbrowser这个控件,是无法打印的。

 

2、如果要打印webbrowser,直接写 e.form.controls("webbrowser1").print