TextBox.GetRectFromCharacterIndex Method
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Returns the rectangle for an edge of the character at the specified index.
| GetRectFromCharacterIndex(Int32) |
Returns the rectangle for the leading edge of the character at the specified index. |
| GetRectFromCharacterIndex(Int32, Boolean) |
Returns the rectangle for the leading or trailing edge of the character at the specified index. |
Returns the rectangle for the leading edge of the character at the specified index.
public:
System::Windows::Rect GetRectFromCharacterIndex(int charIndex);public System.Windows.Rect GetRectFromCharacterIndex(int charIndex);member this.GetRectFromCharacterIndex : int -> System.Windows.RectPublic Function GetRectFromCharacterIndex (charIndex As Integer) As RectParameters
- charIndex
- Int32
The zero-based character index of the character for which to retrieve the rectangle.
Returns
A rectangle for the leading edge of the character at the specified character index, or Empty if a bounding rectangle cannot be determined.
Remarks
Because this method returns a rectangle that represents an edge of the character, the width of the rectangle is 0.
Applies to
.NET Framework 4.8.1 та інші версії
| Продукт | Версії |
|---|---|
| .NET Framework | 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
| Windows Desktop | 3.0, 3.1, 5, 6, 7, 8, 9, 10 |
Returns the rectangle for the leading or trailing edge of the character at the specified index.
public:
System::Windows::Rect GetRectFromCharacterIndex(int charIndex, bool trailingEdge);public System.Windows.Rect GetRectFromCharacterIndex(int charIndex, bool trailingEdge);member this.GetRectFromCharacterIndex : int * bool -> System.Windows.RectPublic Function GetRectFromCharacterIndex (charIndex As Integer, trailingEdge As Boolean) As RectParameters
- charIndex
- Int32
The zero-based character index of the character for which to retrieve the rectangle.
- trailingEdge
- Boolean
true to get the trailing edge of the character; false to get the leading edge of the character.
Returns
A rectangle for an edge of the character at the specified character index, or Empty if a bounding rectangle cannot be determined.
Exceptions
charIndex is negative or is greater than the length of the content.
Remarks
Because this method returns a rectangle that represents an edge of the character, the width of the rectangle is 0.
Applies to
.NET Framework 4.8.1 та інші версії
| Продукт | Версії |
|---|---|
| .NET Framework | 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
| Windows Desktop | 3.0, 3.1, 5, 6, 7, 8, 9, 10 |
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