本文整理匯總了VB.NET中System.Drawing.StringFormat.SetMeasurableCharacterRanges方法的典型用法代碼示例。如果您正苦於以下問題：VB.NET StringFormat.SetMeasurableCharacterRanges方法的具體用法？VB.NET StringFormat.SetMeasurableCharacterRanges怎麽用？VB.NET StringFormat.SetMeasurableCharacterRanges使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。
在下文中一共展示了StringFormat.SetMeasurableCharacterRanges方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: SetMeasCharRangesExample
Public Sub SetMeasCharRangesExample(ByVal e As PaintEventArgs)
Dim g As Graphics = e.Graphics
Dim redBrush As New SolidBrush(Color.FromArgb(50, 255, 0, 0))
' Layout rectangles, font, and string format used for
' displaying string.
Dim layoutRectA As New Rectangle(20, 20, 165, 80)
Dim layoutRectB As New Rectangle(20, 110, 165, 80)
Dim layoutRectC As New Rectangle(20, 200, 240, 80)
Dim tnrFont As New Font("Times New Roman", 16)
Dim strFormat As New StringFormat
' Ranges of character positions within a string.
Dim charRanges As CharacterRange() = {New CharacterRange(3, 5), _
New CharacterRange(15, 2), New CharacterRange(30, 15)}
' Each region specifies the area occupied by the characters within
' a range of positions. The values are obtained by using a method
' that measures the character ranges.
Dim charRegions(charRanges.Length) As [Region]
' String to be displayed.
Dim str As String = _
"The quick, brown fox easily jumps over the lazy dog."
' Set the char ranges for the string format.
strFormat.SetMeasurableCharacterRanges(charRanges)
' Loop counter (unsigned 8-bit integer).
Dim i As Byte
' Measure the char ranges for a given string and layout rectangle.
' Each area occupied by the characters in a range is stored as a
' region. then draw the string and layout rectangle and paint the
' regions.
charRegions = g.MeasureCharacterRanges(str, tnrFont, _
RectangleF.op_Implicit(layoutRectA), strFormat)
g.DrawString(str, tnrFont, Brushes.Blue, _
RectangleF.op_Implicit(layoutRectA), strFormat)
g.DrawRectangle(Pens.Black, layoutRectA)
' Paint the regions.
For i = 0 To charRegions.Length - 1
g.FillRegion(redBrush, charRegions(i))
Next i
' Repeat the above steps, but include trailing spaces in the char
' range measurement by setting the appropriate string format flag.
strFormat.FormatFlags = StringFormatFlags.MeasureTrailingSpaces
charRegions = g.MeasureCharacterRanges(str, tnrFont, _
RectangleF.op_Implicit(layoutRectB), strFormat)
g.DrawString(str, tnrFont, Brushes.Blue, _
RectangleF.op_Implicit(layoutRectB), strFormat)
g.DrawRectangle(Pens.Black, layoutRectB)
' Paint the regions.
For i = 0 To charRegions.Length - 1
g.FillRegion(redBrush, charRegions(i))
Next i
' Clear all the format flags.
strFormat.FormatFlags = 0
' Repeat the steps, but use a different layout rectangle. The
' dimensions of the layout rectangle and the size of the font both
' affect the character range measurement.
charRegions = g.MeasureCharacterRanges(str, tnrFont, _
RectangleF.op_Implicit(layoutRectC), strFormat)
g.DrawString(str, tnrFont, Brushes.Blue, _
RectangleF.op_Implicit(layoutRectC), strFormat)
g.DrawRectangle(Pens.Black, layoutRectC)
' Paint the regions.
For i = 0 To charRegions.Length - 1
g.FillRegion(redBrush, charRegions(i))
Next i
End Sub