TextRenderer.MeasureText 方法

public:
 static System::Drawing::Size MeasureText(System::String ^ text, System::Drawing::Font ^ font, System::Drawing::Size proposedSize, System::Windows::Forms::TextFormatFlags flags);

public static System.Drawing.Size MeasureText (string text, System.Drawing.Font font, System.Drawing.Size proposedSize, System.Windows.Forms.TextFormatFlags flags);

public static System.Drawing.Size MeasureText (string? text, System.Drawing.Font? font, System.Drawing.Size proposedSize, System.Windows.Forms.TextFormatFlags flags);

static member MeasureText : string * System.Drawing.Font * System.Drawing.Size * System.Windows.Forms.TextFormatFlags -> System.Drawing.Size

Public Shared Function MeasureText (text As String, font As Font, proposedSize As Size, flags As TextFormatFlags) As Size

参数

返回

使用指定的 text 和格式绘制的 font 的 Size（以像素为单位）。

示例

下面的代码示例演示如何使用 方法之 MeasureText 一。 若要运行此示例，请将代码粘贴到 Windows 窗体中，并从窗体的 事件处理程序调用 DrawALineOfText ，并e作为 PaintEventArgs传递。Paint

private static void DrawALineOfText(PaintEventArgs e)
{
    // Declare strings to render on the form.
    string[] stringsToPaint = { "Tail", "Spin", " Toys" };

    // Declare fonts for rendering the strings.
    Font[] fonts = { new Font("Arial", 14, FontStyle.Regular), 
        new Font("Arial", 14, FontStyle.Italic), 
        new Font("Arial", 14, FontStyle.Regular) };

    Point startPoint = new Point(10, 10);

    // Set TextFormatFlags to no padding so strings are drawn together.
    TextFormatFlags flags = TextFormatFlags.NoPadding;

    // Declare a proposed size with dimensions set to the maximum integer value.
    Size proposedSize = new Size(int.MaxValue, int.MaxValue);

    // Measure each string with its font and NoPadding value and 
    // draw it to the form.
    for (int i = 0; i < stringsToPaint.Length; i++)
    {
        Size size = TextRenderer.MeasureText(e.Graphics, stringsToPaint[i], 
            fonts[i], proposedSize, flags);
        Rectangle rect = new Rectangle(startPoint, size);
        TextRenderer.DrawText(e.Graphics, stringsToPaint[i], fonts[i],
            startPoint, Color.Black, flags);
        startPoint.X += size.Width;
    }
}

Private Sub DrawALineOfText(ByVal e As PaintEventArgs)
    ' Declare strings to render on the form.
    Dim stringsToPaint() As String = {"Tail", "Spin", " Toys"}

    ' Declare fonts for rendering the strings.
    Dim fonts() As Font = {New Font("Arial", 14, FontStyle.Regular), _
        New Font("Arial", 14, FontStyle.Italic), _
        New Font("Arial", 14, FontStyle.Regular)}

    Dim startPoint As New Point(10, 10)

    ' Set TextFormatFlags to no padding so strings are drawn together.
    Dim flags As TextFormatFlags = TextFormatFlags.NoPadding

    ' Declare a proposed size with dimensions set to the maximum integer value.
    Dim proposedSize As Size = New Size(Integer.MaxValue, Integer.MaxValue)

    ' Measure each string with its font and NoPadding value and draw it to the form.
    For i As Integer = 0 To stringsToPaint.Length - 1
        Dim size As Size = TextRenderer.MeasureText(e.Graphics, _
            stringsToPaint(i), fonts(i), proposedSize, flags)
        Dim rect As Rectangle = New Rectangle(startPoint, size)
        TextRenderer.DrawText(e.Graphics, stringsToPaint(i), fonts(i), _
            startPoint, Color.Black, flags)
        startPoint.X += size.Width
    Next
End Sub

注解

MeasureText 在确定文本大小时， proposedSize 使用 和 flags 参数来指示高度与宽度的关系。 在单行上测量文本时，如果 proposedSize 参数表示 Size 高度维度大于 Int32.MaxValue的 ，则返回的 Size 将调整以反映文本的实际高度。

您可以通过使用带有 DrawText 参数的 TextFormatFlags 重载之一，控制文本的绘制方式。 例如，TextRenderer 的默认行为是向所绘制文本的边框添加空白以符合延伸标志符号。 如果绘制一行文本时不需要这些额外空白，您应当使用带有 DrawText 和 MeasureText 参数的 Size 和 TextFormatFlags 版本。 有关示例，请参见 MeasureText(IDeviceContext, String, Font, Size, TextFormatFlags)。

public:
 static System::Drawing::Size MeasureText(ReadOnlySpan<char> text, System::Drawing::Font ^ font, System::Drawing::Size proposedSize, System::Windows::Forms::TextFormatFlags flags);

public static System.Drawing.Size MeasureText (ReadOnlySpan<char> text, System.Drawing.Font? font, System.Drawing.Size proposedSize, System.Windows.Forms.TextFormatFlags flags);

static member MeasureText : ReadOnlySpan<char> * System.Drawing.Font * System.Drawing.Size * System.Windows.Forms.TextFormatFlags -> System.Drawing.Size

Public Shared Function MeasureText (text As ReadOnlySpan(Of Char), font As Font, proposedSize As Size, flags As TextFormatFlags) As Size

参数

返回

使用指定的 text 和格式绘制的 font 的 Size（以像素为单位）。

例外

public:
 static System::Drawing::Size MeasureText(System::Drawing::IDeviceContext ^ dc, System::String ^ text, System::Drawing::Font ^ font, System::Drawing::Size proposedSize);

public static System.Drawing.Size MeasureText (System.Drawing.IDeviceContext dc, string text, System.Drawing.Font font, System.Drawing.Size proposedSize);

public static System.Drawing.Size MeasureText (System.Drawing.IDeviceContext dc, string? text, System.Drawing.Font? font, System.Drawing.Size proposedSize);

static member MeasureText : System.Drawing.IDeviceContext * string * System.Drawing.Font * System.Drawing.Size -> System.Drawing.Size

Public Shared Function MeasureText (dc As IDeviceContext, text As String, font As Font, proposedSize As Size) As Size

参数

返回

使用指定的 text 绘制的 font 的 Size（以像素为单位）。

例外

示例

下面的代码示例演示如何使用 方法之 MeasureText 一。 若要运行此示例，请将代码粘贴到 Windows 窗体中，并从窗体的 事件处理程序调用 DrawALineOfText ，并e作为 PaintEventArgs传递。Paint

private static void DrawALineOfText(PaintEventArgs e)
{
    // Declare strings to render on the form.
    string[] stringsToPaint = { "Tail", "Spin", " Toys" };

    // Declare fonts for rendering the strings.
    Font[] fonts = { new Font("Arial", 14, FontStyle.Regular), 
        new Font("Arial", 14, FontStyle.Italic), 
        new Font("Arial", 14, FontStyle.Regular) };

    Point startPoint = new Point(10, 10);

    // Set TextFormatFlags to no padding so strings are drawn together.
    TextFormatFlags flags = TextFormatFlags.NoPadding;

    // Declare a proposed size with dimensions set to the maximum integer value.
    Size proposedSize = new Size(int.MaxValue, int.MaxValue);

    // Measure each string with its font and NoPadding value and 
    // draw it to the form.
    for (int i = 0; i < stringsToPaint.Length; i++)
    {
        Size size = TextRenderer.MeasureText(e.Graphics, stringsToPaint[i], 
            fonts[i], proposedSize, flags);
        Rectangle rect = new Rectangle(startPoint, size);
        TextRenderer.DrawText(e.Graphics, stringsToPaint[i], fonts[i],
            startPoint, Color.Black, flags);
        startPoint.X += size.Width;
    }
}

Private Sub DrawALineOfText(ByVal e As PaintEventArgs)
    ' Declare strings to render on the form.
    Dim stringsToPaint() As String = {"Tail", "Spin", " Toys"}

    ' Declare fonts for rendering the strings.
    Dim fonts() As Font = {New Font("Arial", 14, FontStyle.Regular), _
        New Font("Arial", 14, FontStyle.Italic), _
        New Font("Arial", 14, FontStyle.Regular)}

    Dim startPoint As New Point(10, 10)

    ' Set TextFormatFlags to no padding so strings are drawn together.
    Dim flags As TextFormatFlags = TextFormatFlags.NoPadding

    ' Declare a proposed size with dimensions set to the maximum integer value.
    Dim proposedSize As Size = New Size(Integer.MaxValue, Integer.MaxValue)

    ' Measure each string with its font and NoPadding value and draw it to the form.
    For i As Integer = 0 To stringsToPaint.Length - 1
        Dim size As Size = TextRenderer.MeasureText(e.Graphics, _
            stringsToPaint(i), fonts(i), proposedSize, flags)
        Dim rect As Rectangle = New Rectangle(startPoint, size)
        TextRenderer.DrawText(e.Graphics, stringsToPaint(i), fonts(i), _
            startPoint, Color.Black, flags)
        startPoint.X += size.Width
    Next
End Sub

注解

在 MeasureText 确定文本大小时， proposedSize 方法使用 参数来指示高度与宽度的关系。 在单行上测量文本时，如果 proposedSize 参数表示 Size 高度维度大于 Int32.MaxValue的 ，则返回的 Size 将调整以反映文本的实际高度。

public:
 static System::Drawing::Size MeasureText(System::Drawing::IDeviceContext ^ dc, ReadOnlySpan<char> text, System::Drawing::Font ^ font, System::Drawing::Size proposedSize);

public static System.Drawing.Size MeasureText (System.Drawing.IDeviceContext dc, ReadOnlySpan<char> text, System.Drawing.Font? font, System.Drawing.Size proposedSize);

static member MeasureText : System.Drawing.IDeviceContext * ReadOnlySpan<char> * System.Drawing.Font * System.Drawing.Size -> System.Drawing.Size

Public Shared Function MeasureText (dc As IDeviceContext, text As ReadOnlySpan(Of Char), font As Font, proposedSize As Size) As Size

参数

返回

使用指定的 text 绘制的 font 的 Size（以像素为单位）。

例外

public:
 static System::Drawing::Size MeasureText(System::String ^ text, System::Drawing::Font ^ font, System::Drawing::Size proposedSize);

public static System.Drawing.Size MeasureText (string text, System.Drawing.Font font, System.Drawing.Size proposedSize);

public static System.Drawing.Size MeasureText (string? text, System.Drawing.Font? font, System.Drawing.Size proposedSize);

static member MeasureText : string * System.Drawing.Font * System.Drawing.Size -> System.Drawing.Size

Public Shared Function MeasureText (text As String, font As Font, proposedSize As Size) As Size

参数

返回

使用指定的 text 绘制的 font 的 Size（以像素为单位）。

示例

下面的代码示例演示如何使用 方法之 MeasureText 一。 若要运行此示例，请将代码粘贴到 Windows 窗体中，并从窗体的 事件处理程序调用 DrawALineOfText ，并e作为 PaintEventArgs传递。Paint

private static void DrawALineOfText(PaintEventArgs e)
{
    // Declare strings to render on the form.
    string[] stringsToPaint = { "Tail", "Spin", " Toys" };

    // Declare fonts for rendering the strings.
    Font[] fonts = { new Font("Arial", 14, FontStyle.Regular), 
        new Font("Arial", 14, FontStyle.Italic), 
        new Font("Arial", 14, FontStyle.Regular) };

    Point startPoint = new Point(10, 10);

    // Set TextFormatFlags to no padding so strings are drawn together.
    TextFormatFlags flags = TextFormatFlags.NoPadding;

    // Declare a proposed size with dimensions set to the maximum integer value.
    Size proposedSize = new Size(int.MaxValue, int.MaxValue);

    // Measure each string with its font and NoPadding value and 
    // draw it to the form.
    for (int i = 0; i < stringsToPaint.Length; i++)
    {
        Size size = TextRenderer.MeasureText(e.Graphics, stringsToPaint[i], 
            fonts[i], proposedSize, flags);
        Rectangle rect = new Rectangle(startPoint, size);
        TextRenderer.DrawText(e.Graphics, stringsToPaint[i], fonts[i],
            startPoint, Color.Black, flags);
        startPoint.X += size.Width;
    }
}

Private Sub DrawALineOfText(ByVal e As PaintEventArgs)
    ' Declare strings to render on the form.
    Dim stringsToPaint() As String = {"Tail", "Spin", " Toys"}

    ' Declare fonts for rendering the strings.
    Dim fonts() As Font = {New Font("Arial", 14, FontStyle.Regular), _
        New Font("Arial", 14, FontStyle.Italic), _
        New Font("Arial", 14, FontStyle.Regular)}

    Dim startPoint As New Point(10, 10)

    ' Set TextFormatFlags to no padding so strings are drawn together.
    Dim flags As TextFormatFlags = TextFormatFlags.NoPadding

    ' Declare a proposed size with dimensions set to the maximum integer value.
    Dim proposedSize As Size = New Size(Integer.MaxValue, Integer.MaxValue)

    ' Measure each string with its font and NoPadding value and draw it to the form.
    For i As Integer = 0 To stringsToPaint.Length - 1
        Dim size As Size = TextRenderer.MeasureText(e.Graphics, _
            stringsToPaint(i), fonts(i), proposedSize, flags)
        Dim rect As Rectangle = New Rectangle(startPoint, size)
        TextRenderer.DrawText(e.Graphics, stringsToPaint(i), fonts(i), _
            startPoint, Color.Black, flags)
        startPoint.X += size.Width
    Next
End Sub

注解

在 MeasureText 确定文本大小时， proposedSize 方法使用 参数来指示高度与宽度的关系。 在单行上测量文本时，如果 proposedSize 参数表示 Size 高度维度大于 Int32.MaxValue的 ，则返回的 Size 将调整以反映文本的实际高度。

public:
 static System::Drawing::Size MeasureText(System::Drawing::IDeviceContext ^ dc, ReadOnlySpan<char> text, System::Drawing::Font ^ font);

public static System.Drawing.Size MeasureText (System.Drawing.IDeviceContext dc, ReadOnlySpan<char> text, System.Drawing.Font? font);

static member MeasureText : System.Drawing.IDeviceContext * ReadOnlySpan<char> * System.Drawing.Font -> System.Drawing.Size

Public Shared Function MeasureText (dc As IDeviceContext, text As ReadOnlySpan(Of Char), font As Font) As Size

参数

返回

在指定设备上下文中使用指定的 font 绘制的 text 的 Size（以像素为单位）。

例外

public:
 static System::Drawing::Size MeasureText(System::Drawing::IDeviceContext ^ dc, System::String ^ text, System::Drawing::Font ^ font);

public static System.Drawing.Size MeasureText (System.Drawing.IDeviceContext dc, string text, System.Drawing.Font font);

public static System.Drawing.Size MeasureText (System.Drawing.IDeviceContext dc, string? text, System.Drawing.Font? font);

static member MeasureText : System.Drawing.IDeviceContext * string * System.Drawing.Font -> System.Drawing.Size

Public Shared Function MeasureText (dc As IDeviceContext, text As String, font As Font) As Size

参数

返回

在指定设备上下文中使用指定的 text 在一行上绘制的 font 的 Size（以像素为单位）。

示例

下面的代码示例演示如何使用 方法之 MeasureText 一。 若要运行此示例，请将代码粘贴到 Windows 窗体中，并从窗体的 事件处理程序调用 DrawALineOfText ，并e作为 PaintEventArgs传递。Paint

private static void DrawALineOfText(PaintEventArgs e)
{
    // Declare strings to render on the form.
    string[] stringsToPaint = { "Tail", "Spin", " Toys" };

    // Declare fonts for rendering the strings.
    Font[] fonts = { new Font("Arial", 14, FontStyle.Regular), 
        new Font("Arial", 14, FontStyle.Italic), 
        new Font("Arial", 14, FontStyle.Regular) };

    Point startPoint = new Point(10, 10);

    // Set TextFormatFlags to no padding so strings are drawn together.
    TextFormatFlags flags = TextFormatFlags.NoPadding;

    // Declare a proposed size with dimensions set to the maximum integer value.
    Size proposedSize = new Size(int.MaxValue, int.MaxValue);

    // Measure each string with its font and NoPadding value and 
    // draw it to the form.
    for (int i = 0; i < stringsToPaint.Length; i++)
    {
        Size size = TextRenderer.MeasureText(e.Graphics, stringsToPaint[i], 
            fonts[i], proposedSize, flags);
        Rectangle rect = new Rectangle(startPoint, size);
        TextRenderer.DrawText(e.Graphics, stringsToPaint[i], fonts[i],
            startPoint, Color.Black, flags);
        startPoint.X += size.Width;
    }
}

Private Sub DrawALineOfText(ByVal e As PaintEventArgs)
    ' Declare strings to render on the form.
    Dim stringsToPaint() As String = {"Tail", "Spin", " Toys"}

    ' Declare fonts for rendering the strings.
    Dim fonts() As Font = {New Font("Arial", 14, FontStyle.Regular), _
        New Font("Arial", 14, FontStyle.Italic), _
        New Font("Arial", 14, FontStyle.Regular)}

    Dim startPoint As New Point(10, 10)

    ' Set TextFormatFlags to no padding so strings are drawn together.
    Dim flags As TextFormatFlags = TextFormatFlags.NoPadding

    ' Declare a proposed size with dimensions set to the maximum integer value.
    Dim proposedSize As Size = New Size(Integer.MaxValue, Integer.MaxValue)

    ' Measure each string with its font and NoPadding value and draw it to the form.
    For i As Integer = 0 To stringsToPaint.Length - 1
        Dim size As Size = TextRenderer.MeasureText(e.Graphics, _
            stringsToPaint(i), fonts(i), proposedSize, flags)
        Dim rect As Rectangle = New Rectangle(startPoint, size)
        TextRenderer.DrawText(e.Graphics, stringsToPaint(i), fonts(i), _
            startPoint, Color.Black, flags)
        startPoint.X += size.Width
    Next
End Sub

注解

方法 MeasureText 要求在单行上绘制文本。

public:
 static System::Drawing::Size MeasureText(System::String ^ text, System::Drawing::Font ^ font);

public static System.Drawing.Size MeasureText (string text, System.Drawing.Font font);

public static System.Drawing.Size MeasureText (string? text, System.Drawing.Font? font);

static member MeasureText : string * System.Drawing.Font -> System.Drawing.Size

Public Shared Function MeasureText (text As String, font As Font) As Size

参数

返回

使用指定的 text 在一行上绘制的 font 的 Size（以像素为单位）。 您可以通过使用带有 DrawText(IDeviceContext, String, Font, Rectangle, Color, TextFormatFlags) 参数的 TextFormatFlags 重载之一，控制文本的绘制方式。 例如，TextRenderer 的默认行为是向所绘制文本的边框添加空白以符合延伸标志符号。 如果绘制一行文本时不需要这些额外空白，您应当使用带有 DrawText(IDeviceContext, String, Font, Point, Color) 和 MeasureText(IDeviceContext, String, Font) 参数的 Size 和 TextFormatFlags 版本。 有关示例，请参见 MeasureText(IDeviceContext, String, Font, Size, TextFormatFlags)。

示例

下面的代码示例演示如何使用 MeasureText 方法。 若要运行此示例，请将代码粘贴到 Windows 窗体中，并从窗体的 事件处理程序调用 MeasureText1 ，并e作为 PaintEventArgs传递。Paint

private void MeasureText1(PaintEventArgs e)
{
    String text1 = "Measure this text";
    Font arialBold = new Font("Arial", 12.0F);
    Size textSize = TextRenderer.MeasureText(text1, arialBold);
    TextRenderer.DrawText(e.Graphics, text1, arialBold, 
        new Rectangle(new Point(10, 10), textSize), Color.Red);  
}

Private Sub MeasureText1(ByVal e As PaintEventArgs)
    Dim text1 As String = "Measure this text"
    Dim arialBold As New Font("Arial", 12.0F)
    Dim textSize As Size = TextRenderer.MeasureText(text1, arialBold)
    TextRenderer.DrawText(e.Graphics, text1, arialBold, _
        New Rectangle(New Point(10, 10), textSize), Color.Red)

End Sub

注解

方法 MeasureText 要求在单行上绘制文本。

public:
 static System::Drawing::Size MeasureText(ReadOnlySpan<char> text, System::Drawing::Font ^ font);

public static System.Drawing.Size MeasureText (ReadOnlySpan<char> text, System.Drawing.Font? font);

static member MeasureText : ReadOnlySpan<char> * System.Drawing.Font -> System.Drawing.Size

Public Shared Function MeasureText (text As ReadOnlySpan(Of Char), font As Font) As Size

参数

返回

使用指定的字体在一行上绘制的文本的 Size（以像素为单位）。 您可以通过使用带有 DrawText(IDeviceContext, ReadOnlySpan<Char>, Font, Rectangle, Color, TextFormatFlags) 参数的 TextFormatFlags 重载之一，控制文本的绘制方式。 例如，TextRenderer 的默认行为是向所绘制文本的边框添加空白以符合延伸标志符号。 如果需要绘制没有这些额外空格的一行文本，应使用需要 Size 和 TextFormatFlags 参数的版本 DrawText(IDeviceContext, ReadOnlySpan<Char>, Font, Point, Color) 和 MeasureText(IDeviceContext, ReadOnlySpan<Char>, Font)。 有关示例，请参见 MeasureText(IDeviceContext, String, Font, Size, TextFormatFlags)。

public:
 static System::Drawing::Size MeasureText(System::Drawing::IDeviceContext ^ dc, ReadOnlySpan<char> text, System::Drawing::Font ^ font, System::Drawing::Size proposedSize, System::Windows::Forms::TextFormatFlags flags);

public static System.Drawing.Size MeasureText (System.Drawing.IDeviceContext dc, ReadOnlySpan<char> text, System.Drawing.Font? font, System.Drawing.Size proposedSize, System.Windows.Forms.TextFormatFlags flags);

static member MeasureText : System.Drawing.IDeviceContext * ReadOnlySpan<char> * System.Drawing.Font * System.Drawing.Size * System.Windows.Forms.TextFormatFlags -> System.Drawing.Size

Public Shared Function MeasureText (dc As IDeviceContext, text As ReadOnlySpan(Of Char), font As Font, proposedSize As Size, flags As TextFormatFlags) As Size

参数

返回

使用指定的 text 和格式绘制的 font 的 Size（以像素为单位）。

例外

public:
 static System::Drawing::Size MeasureText(ReadOnlySpan<char> text, System::Drawing::Font ^ font, System::Drawing::Size proposedSize);

public static System.Drawing.Size MeasureText (ReadOnlySpan<char> text, System.Drawing.Font? font, System.Drawing.Size proposedSize);

static member MeasureText : ReadOnlySpan<char> * System.Drawing.Font * System.Drawing.Size -> System.Drawing.Size

Public Shared Function MeasureText (text As ReadOnlySpan(Of Char), font As Font, proposedSize As Size) As Size

参数

返回

使用指定的 text 绘制的 font 的 Size（以像素为单位）。

public:
 static System::Drawing::Size MeasureText(System::Drawing::IDeviceContext ^ dc, System::String ^ text, System::Drawing::Font ^ font, System::Drawing::Size proposedSize, System::Windows::Forms::TextFormatFlags flags);

public static System.Drawing.Size MeasureText (System.Drawing.IDeviceContext dc, string text, System.Drawing.Font font, System.Drawing.Size proposedSize, System.Windows.Forms.TextFormatFlags flags);

public static System.Drawing.Size MeasureText (System.Drawing.IDeviceContext dc, string? text, System.Drawing.Font? font, System.Drawing.Size proposedSize, System.Windows.Forms.TextFormatFlags flags);

static member MeasureText : System.Drawing.IDeviceContext * string * System.Drawing.Font * System.Drawing.Size * System.Windows.Forms.TextFormatFlags -> System.Drawing.Size

Public Shared Function MeasureText (dc As IDeviceContext, text As String, font As Font, proposedSize As Size, flags As TextFormatFlags) As Size

参数

返回

使用指定的 text 和格式绘制的 font 的 Size（以像素为单位）。

例外

示例

以下示例演示如何使用 MeasureText 和 DrawText 方法以不同的字体样式绘制单行文本。 若要运行此示例，请将以下代码粘贴到 Windows 窗体中，并从窗体的 事件处理程序调用 DrawALineOfText ，以 e 的形式PaintEventArgs传递。Paint

private static void DrawALineOfText(PaintEventArgs e)
{
    // Declare strings to render on the form.
    string[] stringsToPaint = { "Tail", "Spin", " Toys" };

    // Declare fonts for rendering the strings.
    Font[] fonts = { new Font("Arial", 14, FontStyle.Regular), 
        new Font("Arial", 14, FontStyle.Italic), 
        new Font("Arial", 14, FontStyle.Regular) };

    Point startPoint = new Point(10, 10);

    // Set TextFormatFlags to no padding so strings are drawn together.
    TextFormatFlags flags = TextFormatFlags.NoPadding;

    // Declare a proposed size with dimensions set to the maximum integer value.
    Size proposedSize = new Size(int.MaxValue, int.MaxValue);

    // Measure each string with its font and NoPadding value and 
    // draw it to the form.
    for (int i = 0; i < stringsToPaint.Length; i++)
    {
        Size size = TextRenderer.MeasureText(e.Graphics, stringsToPaint[i], 
            fonts[i], proposedSize, flags);
        Rectangle rect = new Rectangle(startPoint, size);
        TextRenderer.DrawText(e.Graphics, stringsToPaint[i], fonts[i],
            startPoint, Color.Black, flags);
        startPoint.X += size.Width;
    }
}

Private Sub DrawALineOfText(ByVal e As PaintEventArgs)
    ' Declare strings to render on the form.
    Dim stringsToPaint() As String = {"Tail", "Spin", " Toys"}

    ' Declare fonts for rendering the strings.
    Dim fonts() As Font = {New Font("Arial", 14, FontStyle.Regular), _
        New Font("Arial", 14, FontStyle.Italic), _
        New Font("Arial", 14, FontStyle.Regular)}

    Dim startPoint As New Point(10, 10)

    ' Set TextFormatFlags to no padding so strings are drawn together.
    Dim flags As TextFormatFlags = TextFormatFlags.NoPadding

    ' Declare a proposed size with dimensions set to the maximum integer value.
    Dim proposedSize As Size = New Size(Integer.MaxValue, Integer.MaxValue)

    ' Measure each string with its font and NoPadding value and draw it to the form.
    For i As Integer = 0 To stringsToPaint.Length - 1
        Dim size As Size = TextRenderer.MeasureText(e.Graphics, _
            stringsToPaint(i), fonts(i), proposedSize, flags)
        Dim rect As Rectangle = New Rectangle(startPoint, size)
        TextRenderer.DrawText(e.Graphics, stringsToPaint(i), fonts(i), _
            startPoint, Color.Black, flags)
        startPoint.X += size.Width
    Next
End Sub

注解

在 MeasureText 确定文本大小时， proposedSize 方法使用 和 flags 参数来指示高度与宽度的关系。 在单行上测量文本时，如果 proposedSize 参数表示 Size 高度维度大于 Int32.MaxValue的 ，则返回的 Size 将调整以反映文本的实际高度。

您可以通过使用带有 DrawText 参数的 TextFormatFlags 重载之一，控制文本的绘制方式。 例如，TextRenderer 的默认行为是向所绘制文本的边框添加空白以符合延伸标志符号。 如果需要在不使用这些额外空格的情况下绘制文本行，请使用 采用 Size 和 参数的 DrawTextMeasureText 和 TextFormatFlags 版本，如示例中所示。