在winform上内嵌入其它的程序，winform嵌入程序_tansen007的博客-CSDN博客

安宇雨 - 随手采集
2023-05-30 18:01:35
随手采集
0000-未整理-等待研究

这段代码很有意义,用于把一个程序的界面嵌入到我们自己程序的某个指定窗体上.

比如在某个项目里,我需要把基恩士的激光扫描轮廓显示给客户看,但是激光的DLL中并没有这种功能提供. 于是我想先启动激光的官方程序用以显示轮廓, 然后再把这种显示界面嵌入到我自己程序的界面上指定的位置上.

在笔者构想的PLC仿真器由梯形图编辑器, 3D仿真组态环境两部分组成, 这两部分就可以考虑开发成独立的软件,然后嵌入到我需要的另外的一款PLC仿真教学软件中去.

源代码如下:

1 using System;
2 using System.Collections.Generic;
3 using System.ComponentModel;
4 using System.Data;
5 using System.Drawing;
6 using System.Linq;
7 using System.Text;
8 using System.Windows.Forms;
9 using System.Runtime.InteropServices;
10 using System.Diagnostics;
11 using System.Threading;
12
13 namespace WindowsFormsApplication1
14 {
15 public partial class Form1 : Form
16 {
17 Process p;
18
19 public Form1()
20 {
21 InitializeComponent();
22 }
23
24 #region API
25 [DllImport("user32.dll")]
26 private static extern int SetParent(IntPtr hWndChild, IntPtr hWndParent);
27
28 [DllImport("user32.dll")]
29 private static extern bool ShowWindowAsync(IntPtr hWnd, int nCmdShow);
30
31 [DllImport("user32.dll", SetLastError = true)]
32 private static extern bool PostMessage(IntPtr hWnd, uint Msg, int wParam, int lParam);
33
34 [DllImport("user32.dll", EntryPoint = "SetWindowPos")]
35 private static extern bool SetWindowPos(IntPtr hWnd, int hWndInsertAfter,
36 int X, int Y, int cx, int cy, uint uFlags);
37
38 [DllImport("user32.dll")]
39 private static extern int SendMessage(IntPtr hWnd, uint Msg, int wParam, int lParam);
40
41 [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
42 private static extern uint SetWindowLong(IntPtr hwnd, int nIndex, uint newLong);
43
44 [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
45 private static extern uint GetWindowLong(IntPtr hwnd, int nIndex);
46
47 [DllImport("user32.dll", CharSet = CharSet.Auto)]
48 private static extern bool ShowWindow(IntPtr hWnd, short State);
49
50 private const int HWND_TOP = 0x0;
51 private const int WM_COMMAND = 0x0112;
52 private const int WM_QT_PAINT = 0xC2DC;
53 private const int WM_PAINT = 0x000F;
54 private const int WM_SIZE = 0x0005;
55 private const int SWP_FRAMECHANGED = 0x0020;
56 public enum ShowWindowStyles : short
57 {
58 SW_HIDE = 0,
59 SW_SHOWNORMAL = 1,
60 SW_NORMAL = 1,
61 SW_SHOWMINIMIZED = 2,
62 SW_SHOWMAXIMIZED = 3,
63 SW_MAXIMIZE = 3,
64 SW_SHOWNOACTIVATE = 4,
65 SW_SHOW = 5,
66 SW_MINIMIZE = 6,
67 SW_SHOWMINNOACTIVE = 7,
68 SW_SHOWNA = 8,
69 SW_RESTORE = 9,
70 SW_SHOWDEFAULT = 10,
71 SW_FORCEMINIMIZE = 11,
72 SW_MAX = 11
73 }
74 #endregion
75
76 private void Form1_Load(object sender, EventArgs e)
77 {
78 p = new Process();
79 //需要启动的程序
80 p.StartInfo.FileName = @"calc.exe";
81 //为了美观,启动的时候最小化程序
82 p.StartInfo.WindowStyle = ProcessWindowStyle.Minimized;
83 //启动
84 p.Start();
85
86 //这里必须等待,否则启动程序的句柄还没有创建,不能控制程序
87 Thread.Sleep(10000);
88 //最大化启动的程序
89 ShowWindow(p.MainWindowHandle, (short)ShowWindowStyles.SW_MAXIMIZE);
90 //设置被绑架程序的父窗口
91 SetParent(p.MainWindowHandle, this.Handle);
92 //改变尺寸
93 ResizeControl();
94 }
95
96 //控制嵌入程序的位置和尺寸
97 private void ResizeControl()
98 {
99 SendMessage(p.MainWindowHandle, WM_COMMAND, WM_PAINT, 0);
100 PostMessage(p.MainWindowHandle, WM_QT_PAINT, 0, 0);
101
102 SetWindowPos(
103 p.MainWindowHandle,
104 HWND_TOP,
105 0 - 10,//设置偏移量,把原来窗口的菜单遮住
106 0 - 32,
107 (int)this.Width + 32,
108 (int)this.Height + 32,
109 SWP_FRAMECHANGED);
110
111 SendMessage(p.MainWindowHandle, WM_COMMAND, WM_SIZE, 0);
112 }
113
114 private void Form1_SizeChanged(object sender, EventArgs e)
115 {
116 ResizeControl();
117 }
118
119 private void Form1_FormClosing(object sender, FormClosingEventArgs e)
120 {
121 p.Kill();
122 p.Dispose();
123 }
124 }
125 }