vb.net发送回车键 vbs回车键

vb.net 回车怎么编程

如果是简单的换行用vbcrlf 或 environment.newline

要获得键盘的回车键用api 的

Declare Function GetAsyncKeyState Lib "user32" Alias "GetAsyncKeyState" (ByVal vKey As Long) As Integer

相关问答

Q1: vb 如何向后台发送组合键ctrl+enter

首先，你必须获取到目标窗口的Hwnd，然后分二步:

'第一步，建立一个模块Module1.bas,复制下面代码到模块中，并保存

'===Module1.bas代码====

Option

Explicit

Private

Declare

Function

SetForegroundWindow

Lib

"user32"

(ByVal

hwnd

As

Long)

As

Long

Private

Declare

Function

SendMessage

Lib

"user32"

Alias

"SendMessageA"

(ByVal

hwnd

As

Long,

ByVal

wMsg

As

Long,

ByVal

wParam

As

Long,

lParam

As

Any)

As

Long

Private

Declare

Sub

Sleep

Lib

"kernel32"

(ByVal

dwMilliseconds

As

Long)

Private

Declare

Sub

keybd_event

Lib

"user32"

(ByVal

bVk

As

Byte,

ByVal

bScan

As

Byte,

ByVal

dwFlags

As

Long,

ByVal

dwExtraInfo

As

Long)

Private

Const

WM_SETFOCUS

=

H7

Private

Const

KEYEVENTF_EXTENDEDKEY

=

H1

Private

Const

KEYEVENTF_KEYUP

=

H2

Public

Sub

KeyDown(ByVal

vKey

As

Long)

'用keybd_event模拟按下键盘

keybd_event

vKey,

0,

KEYEVENTF_EXTENDEDKEY,

End

Sub

Public

Sub

KeyUp(ByVal

vKey

As

KeyCodeConstants)

'用keybd_event模拟松开键盘

keybd_event

vKey,

0,

KEYEVENTF_EXTENDEDKEY

Or

KEYEVENTF_KEYUP,

End

Sub

Public

Function

SendKeyToWnd(MainWnd

As

Long,

vbkey,

Shift)

As

Boolean

SetForegroundWindow

MainWnd'把目标窗口置前

SendMessage

MainWnd,

WM_SETFOCUS,

0,

0

'选中按钮

If

Shift

Then

KeyDown

Shift

'复合键

KeyDown

vbkey

'普通键

Sleep

100

KeyUp

vbkey

If

Shift

Then

KeyUp

Shift

End

Function

'第二步，函数调用：在你的工程内添加文件，选择刚才保存的文件Module1.bas，然后在调用处输入以下代码即可。

SendKeyToWnd

hwnd,

vbKeyZ,

vbKeyMenu

‘向hwnd对应的窗口发送ALT+Z命令

Q2: 问一弱智问题，VB.NET中回车符怎么表示

可以用chr函数或者vbCrLf这种表示

chr(10)：换行，相当于vbLf

chr(13)：回车，相当于vbCr

chr(13)+chr(10):回车+换行，相当于vbCrLf

Q3: vb.net 怎么向网页指定按钮输入回车键

你截图上就有地址栏可参考vb.net发送回车键，把搜索词放在里面，直接链接到搜索结果，连打开这个页面都省vb.net发送回车键了。

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