我知道这可能是一个小修复,但我不知道如何修复此代码以满足我的需求。我需要将我的打印预览中的长文本显示到下一行继续,而不是将其设置为在不适合列时显示类似(.......)的句点。怎么做? 此代码来自Plutonix。给他的信用。有人可以帮忙吗?
Private mRow As Integer = 0
Private newpage As Boolean = True
Private Sub PrintDocument1_PrintPage(sender As System.Object,
e As PrintPageEventArgs) Handles PrintDocument1.PrintPage
' sets it to show '...' for long text
Dim fmt As StringFormat = New StringFormat(StringFormatFlags.LineLimit)
fmt.LineAlignment = StringAlignment.Center
fmt.Trimming = StringTrimming.EllipsisCharacter
Dim y As Int32 = e.MarginBounds.Top
Dim rc As Rectangle
Dim x As Int32
Dim h As Int32 = 0
Dim row As DataGridViewRow
' print the header text for a new page
' use a grey bg just like the control
If newpage Then
row = dgvZZ.Rows(mRow)
x = e.MarginBounds.Left
For Each cell As DataGridViewCell In row.Cells
' since we are printing the control's view,
' skip invidible columns
If cell.Visible Then
rc = New Rectangle(x, y, cell.Size.Width, cell.Size.Height)
e.Graphics.FillRectangle(Brushes.LightGray, rc)
e.Graphics.DrawRectangle(Pens.Black, rc)
' reused in the data pront - should be a function
Select Case dgvZZ.Columns(cell.ColumnIndex).DefaultCellStyle.Alignment
Case DataGridViewContentAlignment.BottomRight,
DataGridViewContentAlignment.MiddleRight
fmt.Alignment = StringAlignment.Far
rc.Offset(-1, 0)
Case DataGridViewContentAlignment.BottomCenter,
DataGridViewContentAlignment.MiddleCenter
fmt.Alignment = StringAlignment.Center
Case Else
fmt.Alignment = StringAlignment.Near
rc.Offset(2, 0)
End Select
e.Graphics.DrawString(dgvZZ.Columns(cell.ColumnIndex).HeaderText,
dgvZZ.Font, Brushes.Black, rc, fmt)
x += rc.Width
h = Math.Max(h, rc.Height)
End If
Next
y += h
End If
newpage = False
' now print the data for each row
Dim thisNDX As Int32
For thisNDX = mRow To dgvZZ.RowCount - 1
' no need to try to print the new row
If dgvZZ.Rows(thisNDX).IsNewRow Then Exit For
row = dgvZZ.Rows(thisNDX)
x = e.MarginBounds.Left
h = 0
' reset X for data
x = e.MarginBounds.Left
' print the data
For Each cell As DataGridViewCell In row.Cells
If cell.Visible Then
rc = New Rectangle(x, y, cell.Size.Width, cell.Size.Height)
' SAMPLE CODE: How To
' up a RowPrePaint rule
'If Convert.ToDecimal(row.Cells(5).Value) < 9.99 Then
' Using br As New SolidBrush(Color.MistyRose)
' e.Graphics.FillRectangle(br, rc)
' End Using
'End If
e.Graphics.DrawRectangle(Pens.Black, rc)
Select Case dgvZZ.Columns(cell.ColumnIndex).DefaultCellStyle.Alignment
Case DataGridViewContentAlignment.BottomRight,
DataGridViewContentAlignment.MiddleRight
fmt.Alignment = StringAlignment.Far
rc.Offset(-1, 0)
Case DataGridViewContentAlignment.BottomCenter,
DataGridViewContentAlignment.MiddleCenter
fmt.Alignment = StringAlignment.Center
Case Else
fmt.Alignment = StringAlignment.Near
rc.Offset(2, 0)
End Select
e.Graphics.DrawString(cell.FormattedValue.ToString(),
dgvZZ.Font, Brushes.Black, rc, fmt)
x += rc.Width
h = Math.Max(h, rc.Height)
End If
Next
y += h
' next row to print
mRow = thisNDX + 1
If y + h > e.MarginBounds.Bottom Then
e.HasMorePages = True
' mRow -= 1 causes last row to rePrint on next page
newpage = True
Return
End If
Next
End Sub