IntPtr

Full name Microsoft.VisualBasic.Emit.Marshal.IntPtr`1 Assembly Microsoft.VisualBasic.Runtime Members 11

Unmanaged Memory pointer in VisualBasic language.(内存指针)

00 Remarks

只不过这个对象是封装了写内存操作的

Type Parameters

Name	Description
`T`

01 Syntax

Microsoft.VisualBasic.Emit.Marshal.IntPtr`1

02 Methods

Name	Overloads	Summary
.ctor	2	方便进行数组操作的
Write	2	Unsafe write memory
op_Addition	1	Move forward the current position of this memory pointer ptr by a specific step d
op_Subtraction	1	Move backward the current position of this memory pointer ptr by a specific step d
Dispose	1	write memory and release the memory pointer
Read	1
ToString	1

03 Properties

Name	Overloads	Summary
Scan0	1	The position in the memory region of the first byte for read.

04 Fields

Name	Overloads	Summary
__writeMemory	1	vbnet Public Delegate Sub UnsafeWrite(Of T)(destination As T(), startIndex As Integer, source As System.IntPtr, length As Integer)

05 Members

method .ctor overload 2 #

#ctor(IntPtr, Int32, UnsafeCopys(Of `0), UnsafeWrite(Of `0))

Make data unsafe copy in this constructor function

Parameters

Name	Type	Description
`p`	`IntPtr`	-
`chunkSize`	`Int32`	-
`unsafeCopys`	UnsafeCopys(Of `0)	`Public Sub UnsafeCopys(Of T)(source As IntPtr, destination As T(), startIndex As Int32, length As Int32)`
`unsafeWrite`	UnsafeWrite(Of `0)	`Public Sub UnsafeWrite(Of T)(destination As T(), startIndex As Int32, source As IntPtr, length As Int32)`

method .ctor #

#ctor(`0(), Nullable(Of IntPtr))

方便进行数组操作的

Parameters

Name	Type	Description
`raw`	`0()	-
`p`	`Nullable(Of IntPtr)`	-

method Write #

Write

Unsafe write memory

method Write overload 2 #

Write(IntPtr)

Please be carefull by using this method, if the memory region size of IntPtr.Scan0 in this memory pointer is larger than des, this method will caused exception.

Parameters

Name	Type	Description
`des`	`IntPtr`	-

method op_Addition #

op_Addition(IntPtr(Of `0), Int32)

Move forward the current position of this memory pointer ptr by a specific step d

Parameters

Name	Type	Description
`ptr`	IntPtr(Of `0)	-
`d`	`Int32`	-

method op_Subtraction #

op_Subtraction(IntPtr(Of `0), Int32)

Move backward the current position of this memory pointer ptr by a specific step d

Parameters

Name	Type	Description
`ptr`	IntPtr(Of `0)	-
`d`	`Int32`	-

method Dispose #

Dispose

write memory and release the memory pointer

property Scan0 #

Scan0

The position in the memory region of the first byte for read.

Returns

(第一个位置)

field __writeMemory #

__writeMemory

 Public Delegate Sub UnsafeWrite(Of T)(destination As T(), startIndex As Integer, source As System.IntPtr, length As Integer)

method Read #

Read()

method ToString #

ToString()