vb.net调用其他窗口 vbnet console

VB.NET怎么调用别的窗体!在 VB.NET 中vb.net调用其他窗口,vb.net调用其他窗口你编好vb.net调用其他窗口的窗体仅仅是一个类而已vb.net调用其他窗口,不像 VB6,窗体本身就是一个对象 。就是说,如果要显示窗体 , 你需要将你编的窗体类实例化对一个对象,然后再调用这个对象:
Dim frm As New frmDlg' 将 frmDlg 窗体类实例化为对象 frmfrm.Show()' 将实例化的对象显示出来
VB.net 怎么实现多项目之间的窗体调用?首先引入那个项目vb.net调用其他窗口的命名空间vb.net调用其他窗口 , 在代码最上方用Imports语句,比如
Imports Project1
然后在需要用的地方写
Dim aform As New MyForm1()
然后通过aform对象的Show方法(弹出普通窗口)或ShowDialog(弹出窗口时后方窗口无响应)方法来显示窗口,最后调用Dispose方法释放对象内存 。
求vb.net句柄实例 , 实现操作其他程序窗口 。如我给的例子Imports System.Text
Imports System.Runtime.InteropServices
Public Class Form1
' 相关API函数声明,注释掉的这里没用到,但是也比较常用吧,这些函数的功能都能搜到 。
Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As IntPtr
Private Declare Function FindWindowEx Lib "user32" Alias "FindWindowExA" (ByVal hWnd1 As IntPtr, ByVal hWnd2 As IntPtr, ByVal lpsz1 As String, ByVal lpsz2 As String) As IntPtr
Private Delegate Function EnumChildProc(ByVal hWnd As IntPtr, ByVal lParam As Integer) As Boolean
Private Declare Function EnumChildWindows Lib "user32.dll" (ByVal hWndParent As IntPtr, ByVal lpEnumFunc As EnumChildProc, ByVal lParam As Integer) As Boolean
Private Declare Auto Function SendMessage Lib "User32.dll" (ByVal hWnd As IntPtr, ByVal Msg As Integer, ByVal wParam As Integer, ByVal lParam As String) As Integer
'Private Declare Function CheckDlgButton Lib "user32" Alias "CheckDLGButtonA" (ByVal hDlg As IntPtr, ByVal nIDButton As IntPtr, ByVal wCheck As Integer) As Integer
Private Declare Function GetClassName Lib "user32" Alias "GetClassNameA" (ByVal hWnd As IntPtr, ByVal lpClassName As StringBuilder, ByVal nMaxCount As Integer) As Integer
'Private Declare Function GetWindowThreadProcessId Lib "user32" Alias "GetWindowThreadProcessId" (ByVal hwnd As IntPtr, ByVal lpdwProcessId As Long) As Integer
Private Declare Auto Function GetWindowTextLength Lib "user32" Alias "GetWindowTextLength" (ByVal hwnd As IntPtr) As Integer
Private Declare Function GetWindowText Lib "user32" Alias "GetWindowTextA" (ByVal hwnd As IntPtr, ByVal lpString As StringBuilder, ByVal cch As Integer) As Integer
' 相关消息定义,也有没用到的
Const WM_SETTEXT = HC
Const WM_GETTEXT = HD
'Const WM_SETFOCUS = H7
'Const WM_KILLFOCUS = H8
'Const WM_CLOSE = H10
'Const WM_SYSCOMMAND = H112
'Const SC_CLOSE = HF060
'Const SC_MINIMIZE = HF020
Const BM_GETCHECK = HF0
Const BM_SETCHECK = HF1
Const BM_GETSTATE = HF2
Const BM_SETSTATE = HF3
Const BM_SETSTYLE = HF4
Const BM_CLICK = HF5
'Const BM_GETIMAGE = HF6
'Const BM_SETIMAGE = HF7
Const BST_UNCHECKED = O0
Const BST_CHECKED = O1
Const BST_INDETERMINATE = O2
' 储存窗口句柄
Dim WindowHandle As IntPtr
' 储存两个(或者多个)编辑框句柄
Dim EditHandle As New List(Of IntPtr)
Dim EditWindowsText As List(Of String)
' 储存复选框句柄
Dim CheckHandle As IntPtr = 0
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Button1_Click(sender, e)
End Sub
' EnumChildWindows 回调函数 , 该函数名作为API函数EnumChildWindows 的一个参数
' 该函数实现了枚举各个子窗口,找出编辑框属性的功能

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