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ITextEdit.Insert Method (Int32, array<Char , Int32, Int32)

Inserts an array of characters at the specified position in the ITextBuffer.

Namespace:  Microsoft.VisualStudio.Text
Assembly:  Microsoft.VisualStudio.Text.Data (in Microsoft.VisualStudio.Text.Data.dll)

Syntax

'宣言
Function Insert ( _
    position As Integer, _
    characterBuffer As Char(), _
    startIndex As Integer, _
    length As Integer _
) As Boolean
bool Insert(
    int position,
    char[] characterBuffer,
    int startIndex,
    int length
)
bool Insert(
    int position, 
    array<wchar_t>^ characterBuffer, 
    int startIndex, 
    int length
)
abstract Insert : 
        position:int * 
        characterBuffer:char[] * 
        startIndex:int * 
        length:int -> bool 
function Insert(
    position : int, 
    characterBuffer : char[], 
    startIndex : int, 
    length : int
) : boolean

Parameters

  • position
    Type: System.Int32
    The buffer position at which the first character of the text will appear.
  • characterBuffer
    Type: array<System.Char[]
    The character array from which characters will be inserted.
  • startIndex
    Type: System.Int32
    The index in characterBuffer of the first character to insert.
  • length
    Type: System.Int32
    The number of characters to insert from characterBuffer.

Return Value

Type: System.Boolean
true if the insertion succeeded, false if it was prevented by a read-only region.

Exceptions

Exception Condition
ArgumentNullException

characterBuffer is nulla null reference (Nothing in Visual Basic).

InvalidOperationException

The Apply or Cancel or Dispose method has previously been called on this object.

ArgumentOutOfRangeException

position is less than zero or greater than the length of the buffer, or startIndex is less than zero, or length is less than zero, or startIndex + length is greater than the length of characterBuffer.

Remarks

Inserting zero characters will succeed but will not generate a new snapshot or raise a Changed event.

.NET Framework Security

See Also

Reference

ITextEdit Interface

Insert Overload

Microsoft.VisualStudio.Text Namespace