加以一個panel用來顯示應(yīng)用程序的,就是放你那個easycap的,代碼如下
創(chuàng)新互聯(lián)專注為客戶提供全方位的互聯(lián)網(wǎng)綜合服務(wù),包含不限于成都網(wǎng)站設(shè)計、成都網(wǎng)站制作、惠山網(wǎng)絡(luò)推廣、成都小程序開發(fā)、惠山網(wǎng)絡(luò)營銷、惠山企業(yè)策劃、惠山品牌公關(guān)、搜索引擎seo、人物專訪、企業(yè)宣傳片、企業(yè)代運(yùn)營等,從售前售中售后,我們都將竭誠為您服務(wù),您的肯定,是我們最大的嘉獎;創(chuàng)新互聯(lián)為所有大學(xué)生創(chuàng)業(yè)者提供惠山建站搭建服務(wù),24小時服務(wù)熱線:18980820575,官方網(wǎng)址:chinadenli.net
Declare Function SetParent Lib "user32" Alias "SetParent" (ByVal hWndChild As IntPtr, ByVal hWndNewParent As IntPtr) As Integer
Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As IntPtr
Private Declare Function SendMessage Lib "user32.dll" Alias "SendMessageA" (ByVal hwnd As Int32, ByVal wMsg As Int32, ByVal wParam As Int32, ByVal lParam As Int32) As Int32
Private Declare Function ShellExecute Lib "shell32.dll" Alias "ShellExecuteA" (ByVal hwnd As Int32, ByVal lpOperation As String, ByVal lpFile As String, ByVal lpParameters As String, ByVal lpDirectory As String, ByVal nShowCmd As Int32) As Int32
Private Const WM_SYSCOMMAND As Int32 = H112
Private Const SC_MAXIMIZE As Int32 = HF030
Private Const SC_MINIMIZE As Int32 = HF020
Private Const SC_RESTORE As Int32 = HF120
Public Const SW_HIDE = 0
Public Const SW_SHOW = 5
Private Declare Function ShowWindow Lib "user32.dll" (ByVal hwnd As Int32, ByVal nCmdShow As Int32) As Int32
Private Sub Button1_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
ShellExecute(Me.Panel1.Handle, "open", "c:\windows\system32\cmd.exe", Nothing, ".", SW_HIDE)
System.Threading.Thread.Sleep(50)
Dim h As IntPtr = FindWindow(Nothing, "c:\windows\system32\cmd.exe")
ShowWindow(h, SW_HIDE)
SetParent(h, Me.Panel1.Handle) '嵌到panel1內(nèi)
SendMessage(h, WM_SYSCOMMAND, SC_MAXIMIZE, 0)
End Sub
把其中的c:\windows\system32\cmd.exe換成你要嵌入的應(yīng)用程序
你這個要求實在是不對路子。是思路不對。
應(yīng)該是將窗體一和窗體二中的控件分別用一個panel裝起來,設(shè)為隱含狀態(tài)。都放在主窗體的panel1中。
點(diǎn)擊 窗體一時,第一個panel的Visible=True,第二個panel的Visible=False
點(diǎn)擊 窗體二時,第一個panel的Visible=False,第二個panel的Visible=True
就達(dá)到你要的效果了。
窗體不能裝來裝去的。
再有一個方法就是創(chuàng)建自定義控件。那個說起來太麻煩,看看書吧。
直接添加一個MID父窗體或在已有窗體的屬性中找到IsMDIContainer屬性,然后設(shè)置為True,然后創(chuàng)建第二個窗體 ,需要加載子窗體的時候:
Dim NewMDIChild As New Form2
NewMDIChild.MdiParent = Me
NewMDIChild.Show()
Public?Shared?Sub?CheckMDIChildForm(ByVal?MDIForm?As?Windows.Forms.Form,?ByVal?MDIChildForm?As?Windows.Forms.Form,?ByVal?MDIChildFormName?As?String)
If?MDIForm.MdiChildren.Length??1?Then
'如果沒有任何一個MDI子窗體,則創(chuàng)該MDI子窗體的窗體實例
Dim?MDIChildFrm?As?Windows.Forms.Form?=?MDIChildForm?'?定義MDI子窗體
MDIChildFrm.MdiParent?=?MDIForm?'指定父窗體
MDIChildFrm.Show()?'打開窗體
Exit?Sub
Else
Dim?x?As?Integer
Dim?frmyn?As?Boolean
For?x?=?0?To?(MDIForm.MdiChildren.Length)?-?1
Dim?tempChild?As?Windows.Forms.Form?=?CType(MDIForm.MdiChildren(x),?Windows.Forms.Form)
If?tempChild.Name?=?MDIChildFormName?Then
'檢測到有該MDI子窗體,設(shè)為激活?并退出循環(huán)
frmyn?=?True
tempChild.BringToFront()
Exit?For
Else
frmyn?=?False
End?If
Next
If?Not?frmyn?Then
'在打開的窗體中沒檢測到則新建
Dim?MDIChildFrm?As?Windows.Forms.Form?=?MDIChildForm?'?定義MDI子窗體
MDIChildFrm.MdiParent?=?MDIForm?'指定父窗體
MDIChildFrm.Show()?'打開窗體
End?If
End?If
End?Sub
本文名稱:vb.net追加窗體,vbnet web窗體
文章出自:http://chinadenli.net/article4/hohjie.html
成都網(wǎng)站建設(shè)公司_創(chuàng)新互聯(lián),為您提供企業(yè)網(wǎng)站制作、外貿(mào)網(wǎng)站建設(shè)、網(wǎng)站改版、靜態(tài)網(wǎng)站、外貿(mào)建站、網(wǎng)站收錄
聲明:本網(wǎng)站發(fā)布的內(nèi)容(圖片、視頻和文字)以用戶投稿、用戶轉(zhuǎn)載內(nèi)容為主,如果涉及侵權(quán)請盡快告知,我們將會在第一時間刪除。文章觀點(diǎn)不代表本網(wǎng)站立場,如需處理請聯(lián)系客服。電話:028-86922220;郵箱:631063699@qq.com。內(nèi)容未經(jīng)允許不得轉(zhuǎn)載,或轉(zhuǎn)載時需注明來源: 創(chuàng)新互聯(lián)