C# 如何控制段落在flowdocument中的确切位置？

我有flowdocument控件和其中的一些段落，我使用边距属性控制每个段落的位置。但我的问题是，例如，我有Para1，Para2和Para3作为段落，当我改变Para2的底边时，我需要Para1保持在相同的位置，Para2靠近Para1，在页面行中Para2之前

我正在尝试创建支票打印解决方案，如有任何帮助，将不胜感激

代码隐藏

 try
        {
            if ((string.IsNullOrEmpty(this.txttop.Text) || string.IsNullOrEmpty(this.txtleft.Text) || string.IsNullOrEmpty(this.txtright.Text) || string.IsNullOrEmpty(this.txtbotom.Text) || string.IsNullOrEmpty(this.txtCheckVal_botom.Text) || string.IsNullOrEmpty(this.txtCheckVal_left.Text) || string.IsNullOrEmpty(this.txtCheckVal_right.Text) || string.IsNullOrEmpty(this.txtCheckVal_top.Text) || string.IsNullOrEmpty(this.txtAlphabit_botom.Text) || string.IsNullOrEmpty(this.txtAlphabit_left.Text) || string.IsNullOrEmpty(this.txtAlphabit_right.Text) ? true : string.IsNullOrEmpty(this.txtAlphabit_top.Text)))
            {
                MessageBox.Show("There is a nullable inputs please be sure before add new template !!! ");
            }
            else if (string.IsNullOrEmpty(this.txtCheckVal.Text))
            {
                MessageBox.Show("Please Enter The Amount !!!!");
            }
            else if (!string.IsNullOrEmpty(this.txtValue.Text))
            {
                while (this.paragName.Inlines.Count > 0)
                {
                    this.paragName.Inlines.Remove(this.paragName.Inlines.ElementAt<Inline>(0));
                }
                this.paragName.Inlines.Add(new Run(this.txtValue.Text));
                while (this.paragCheckVal.Inlines.Count > 0)
                {
                    this.paragCheckVal.Inlines.Remove(this.paragCheckVal.Inlines.ElementAt<Inline>(0));
                }
                double va = Convert.ToDouble(this.txtCheckVal.Text);
                while (this.TxtDerham.Inlines.Count > 0)
                {
                    this.TxtDerham.Inlines.Remove(this.TxtDerham.Inlines.ElementAt<Inline>(0));
                }
                if(txtafterPoint.Text!="0")
                this.TxtDerham.Inlines.Add(new Run(this.txtafterPoint.Text.Replace("0.", "")));
                while (this.TxtThousand.Inlines.Count > 0)
                {
                    this.TxtThousand.Inlines.Remove(this.TxtThousand.Inlines.ElementAt<Inline>(0));
                }
                InlineCollection inlines = this.TxtThousand.Inlines;
                float single = Convert.ToSingle(va);
                if (va.ToString().Contains("."))
                {
                    inlines.Add(new Run(string.Concat("#", single.ToString("N").Remove(va.ToString().IndexOf(".") + 1))));
                }
                else
                {
                    int single2 = Convert.ToInt32(single);
                    inlines.Add(new Run(string.Concat("#", single2.ToString("N0"))));
                }

                this.FlLeftRight.Blocks.Add(this.TxtDerham);
                this.FlLeftRight1.Blocks.Add(this.TxtThousand);
                this.FlLeftRight.Padding = new Thickness(Convert.ToDouble(this.txtDerhamleft.Text), 0, Convert.ToDouble(this.txtDerhamright.Text), 0);
                this.FlLeftRight.Margin = new Thickness(Convert.ToDouble(this.txtDerhamleft.Text), 0, Convert.ToDouble(this.txtDerhamright.Text), 0);
                this.FlLeftRight1.Padding = new Thickness(Convert.ToDouble(this.txtDerhamleft.Text), 0, Convert.ToDouble(this.txtDerhamright.Text), 0);
                this.FlLeftRight1.Margin = new Thickness(Convert.ToDouble(this.txtDerhamleft.Text), 0, Convert.ToDouble(this.txtDerhamright.Text), 0);
                this.paragCheckVal.Inlines.Add(this.FlLeftRight1);
                this.paragCheckVal.Inlines.Add(this.FlLeftRight);
                while (this.paragAlphabit.Inlines.Count > 0)
                {
                    this.paragAlphabit.Inlines.Remove(this.paragAlphabit.Inlines.ElementAt<Inline>(0));
                }
                this.paragAlphabit.Inlines.Add(new Run(this.txtAlphabit.Text));
                this.paragCheckVal.Padding = new Thickness(Convert.ToDouble(this.txtCheckVal_left.Text), Convert.ToDouble(this.txtCheckVal_top.Text), Convert.ToDouble(this.txtCheckVal_right.Text), Convert.ToDouble(this.txtCheckVal_botom.Text));
                this.paragName.Padding = new Thickness(Convert.ToDouble(this.txtleft.Text), Convert.ToDouble(this.txttop.Text), Convert.ToDouble(this.txtright.Text), Convert.ToDouble(this.txtbotom.Text));
                this.paragAlphabit.Padding = new Thickness(Convert.ToDouble(this.txtAlphabit_left.Text), Convert.ToDouble(this.txtAlphabit_top.Text), Convert.ToDouble(this.txtAlphabit_right.Text), Convert.ToDouble(this.txtAlphabit_botom.Text));
                this.paragCheckVal.Margin = new Thickness(Convert.ToDouble(this.txtCheckVal_left.Text), Convert.ToDouble(this.txtCheckVal_top.Text), Convert.ToDouble(this.txtCheckVal_right.Text), Convert.ToDouble(this.txtCheckVal_botom.Text));
                this.paragName.Margin = new Thickness(Convert.ToDouble(this.txtleft.Text), Convert.ToDouble(this.txttop.Text), Convert.ToDouble(this.txtright.Text), Convert.ToDouble(this.txtbotom.Text));
                this.paragAlphabit.Margin = new Thickness(Convert.ToDouble(this.txtAlphabit_left.Text), Convert.ToDouble(this.txtAlphabit_top.Text), Convert.ToDouble(this.txtAlphabit_right.Text), Convert.ToDouble(this.txtAlphabit_botom.Text));
                this.flowDocument.Blocks.Add(this.paragCheckVal);
                this.flowDocument.Blocks.Add(this.paragName);
                this.flowDocument.Blocks.Add(this.paragAlphabit);
            }
            else
            {
                MessageBox.Show("Please Enter The Name !!!!");
            }
        }
        catch (Exception exception)
        {
            MessageBox.Show(exception.Message);
        }

试试看
{
if（（string.IsNullOrEmpty（this.txttop.Text）| string.IsNullOrEmpty（this.txtleft.Text）| string.IsNullOrEmpty（this.txtright.Text）| string.IsNullOrEmpty（this.txtCheckVal_botom.Text）| string.IsNullOrEmpty（this.txtCheckVal_botom.Text）| string.IsNullOrEmpty（this.txtCheckVal.checkval|左| | string.IsNullOrEmpty（this.txtCheckVal_top.Text）| string.IsNullOrEmpty（this.txtAlphabit_botom.Text）| string.IsNullOrEmpty（this.txtAlphabit_left.Text）| string.IsNullOrEmpty（this.txtAlphabit_right.Text）→true:string.IsNullOrEmpty（this.txtAlphabit_top.Text）
{
Show（“存在可为空的输入，请确保在添加新模板之前！！！”；
}
else if（string.IsNullOrEmpty（this.txtCheckVal.Text））
{
MessageBox.Show（“请输入金额！！！！”）；
}
如果（！string.IsNullOrEmpty（this.txtValue.Text））为else
{
而（this.paragName.Inlines.Count>0）
{
this.paragName.Inlines.Remove（this.paragName.Inlines.ElementAt（0））；
}
Add（新运行（this.txtValue.Text））；
而（this.paracheckval.Inlines.Count>0）
{
this.paracheckval.Inlines.Remove（this.paracheckval.Inlines.ElementAt（0））；
}
double va=Convert.ToDouble（this.txtCheckVal.Text）；
而（this.TxtDerham.Inlines.Count>0）
{
this.TxtDerham.Inlines.Remove（this.TxtDerham.Inlines.ElementAt（0））；
}
如果（txtafterPoint.Text！=“0”）
this.TxtDerham.Inlines.Add（新运行（this.txtafterPoint.Text.Replace（“0.”，“”））；
而（this.txt000.Inlines.Count>0）
{
this.txt000.Inlines.Remove（this.txt000.Inlines.ElementAt（0））；
}
InlineCollection inlines=this.txt000.inlines；
单浮=转换为单浮（va）；
如果（va.ToString（）包含（“.”）
{
添加（新运行（string.Concat（“#”），single.ToString（“N”）.Remove（va.ToString（）.IndexOf（“.”+1））；
}
其他的
{
int single2=Convert.ToInt32（single）；
添加（新运行（string.Concat（“#”），single2.ToString（“N0”））；
}
this.FlLeftRight.Blocks.Add（this.TxtDerham）；
this.FlLeftRight1.Blocks.Add（this.txt000）；
this.FlLeftRight.Padding=新厚度（Convert.ToDouble（this.txtDerhamleft.Text），0，Convert.ToDouble（this.txtDerhamright.Text），0）；
this.FlLeftRight.Margin=新厚度（Convert.ToDouble（this.txtDerhamleft.Text），0，Convert.ToDouble（this.txtDerhamright.Text），0）；
this.FlLeftRight1.Padding=新厚度（Convert.ToDouble（this.txtDerhamleft.Text），0，Convert.ToDouble（this.txtDerhamright.Text），0）；
this.FlLeftRight1.Margin=新厚度（Convert.ToDouble（this.txtDerhamleft.Text），0，Convert.ToDouble（this.txtDerhamright.Text），0）；
this.paracheckval.Inlines.Add（this.FlLeftRight1）；
this.paracheckval.Inlines.Add（this.FlLeftRight）；
while（this.paragAlphabit.Inlines.Count>0）
{
移除（this.paragAlphabit.Inlines.ElementAt（0））；
}
Add（新运行（this.txtAlphabit.Text））；
this.paracheckval.Padding=新厚度（Convert.ToDouble（this.txtCheckVal\u left.Text）、Convert.ToDouble（this.txtCheckVal\u top.Text）、Convert.ToDouble（this.txtCheckVal\u botom.Text））；
this.paragName.Padding=新厚度（Convert.ToDouble（this.txtlight.Text）、Convert.ToDouble（this.txttop.Text）、Convert.ToDouble（this.txtlight.Text）、Convert.ToDouble（this.txtbotom.Text））；
this.paragAlphabit.Padding=新厚度（Convert.ToDouble（this.txtAlphabit_left.Text）、Convert.ToDouble（this.txtAlphabit_top.Text）、Convert.ToDouble（this.txtAlphabit_botom.Text））；
this.paracheckval.Margin=新厚度（Convert.ToDouble（this.txtCheckVal\u left.Text）、Convert.ToDouble（this.txtCheckVal\u top.Text）、Convert.ToDouble（this.txtCheckVal\u botom.Text））；
this.paragName.Margin=新厚度（Convert.ToDouble（this.txtlight.Text）、Convert.ToDouble（this.txttop.Text）、Convert.ToDouble（this.txtlight.Text）、Convert.ToDouble（this.txtbotom.Text））；
this.paragAlphabit.Margin=新厚度（Convert.ToDouble（this.txtAlphabit_left.Text）、Convert.ToDouble（this.txtAlphabit_top.Text）、Convert.ToDouble（this.txtAlphabit_botom.Text））；
this.flowDocument.Blocks.Add（this.paracheckval）；
this.flowDocument.Blocks.Add（this.paragName）；
this.flowDocument.Blocks.Add（this.paragaphabit）；
}
其他的
{
MessageBox.Show（“请输入名称！！！！”）；
}
}
捕获（异常）
{
Mes
        <FlowDocumentReader Name="fdViewer" VerticalAlignment="Top" Height="198" FlowDirection="LeftToRight" Grid.ColumnSpan="4">
        <FlowDocument Name="flowDocument" ColumnWidth="999999" PagePadding="15,0">
            <FlowDocument.Resources />
            <Paragraph KeepTogether="True" Name="paragCheckVal">
                <Floater Name="FlLeftRight" HorizontalAlignment="Left">
                    <Paragraph Name="TxtDerham">
                        <Run Text="الديرهم" />
                    </Paragraph>
                </Floater>
                <Floater Name="FlLeftRight1" HorizontalAlignment="Left">
                    <Paragraph Name="TxtThousand">
                        <Run Text="قيمة الصك" />
                    </Paragraph>
                </Floater>
            </Paragraph>
            <Paragraph Name="paragName">
                <Run Text="اسم الشخص او الجهة" />
            </Paragraph>
            <Paragraph Name="paragAlphabit">
                <Run Text="   قيمة الصك بالحروف" />
            </Paragraph>
        </FlowDocument>
    </FlowDocumentReader>