本文整理汇总了VB.NET中System.Drawing.StringFormat.SetMeasurableCharacterRanges方法的典型用法代码示例。如果您正苦于以下问题：VB.NET StringFormat.SetMeasurableCharacterRanges方法的具体用法？VB.NET StringFormat.SetMeasurableCharacterRanges怎么用？VB.NET StringFormat.SetMeasurableCharacterRanges使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。
在下文中一共展示了StringFormat.SetMeasurableCharacterRanges方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
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