将.exe c ++文件(创建一个窗口)转换为.dll c ++文件,并在C#中使用该.dll文件 [英] Converting a .exe c++ file (that creates a window) into a .dll c++ file and use that .dll file in C#
本文介绍了将.exe c ++文件(创建一个窗口)转换为.dll c ++文件,并在C#中使用该.dll文件的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
#include< windows.h>
const char g_szClassName [] =myWindowClass;
LRESULT CALLBACK WndProc(HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam)
{
开关(msg)
{
case WM_CLOSE:
DestroyWindow(hwnd);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hwnd,msg,wParam,lParam);
}
return 0;
}
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,
LPSTR lpCmdLine,int nCmdShow)
{
WNDCLASSEX wc;
HWND hwnd;
MSG消息;
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = 0;
wc.lpfnWndProc = WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon(NULL,IDI_APPLICATION);
wc.hCursor = LoadCursor(NULL,IDC_ARROW);
wc.hbrBackground =(HBRUSH)(COLOR_WINDOW + 1);
wc.lpszMenuName = NULL;
wc.lpszClassName = g_szClassName;
wc.hIconSm = loadIcon(NULL,IDI_APPLICATION);
if(!RegisterClassEx(& wc))
{
MessageBox(NULL,Window Registration Failed!,Error!,
MB_ICONEXCLAMATION | MB_OK );
return 0;
}
hwnd = CreateWindowEx(
WS_EX_CLIENTEDGE,
g_szClassName,
我的窗口的标题,
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,CW_USEDEFAULT,240,120,
NULL,NULL,hInstance,NULL);
if(hwnd == NULL)
{
MessageBox(NULL,Window Creation Failed!,Error!,
MB_ICONEXCLAMATION | MB_OK);
return 0;
}
ShowWindow(hwnd,nCmdShow);
UpdateWindow(hwnd);
while(GetMessage(& Msg,NULL,0,0)> 0)
{
TranslateMessage(& Msg);
DispatchMessage(& Msg);
}
return Msg.wParam;
}
解决方案
两个步骤:
- 如果你有一个c ++程序,你可以通过跟随这个$ b来构建它作为一个
dll
假设您使用visual studio,$ b 发布。 -
为了在<$ c中使用
c ++
dll
$ c> c#程序,您需要阅读:
I have a .exe program in C++ that only shows a window. How can I convert that .exe program into a .dll file and then how can I access that .dll file with C# so I can show that window. Here is my C++ code:
#include <windows.h>
const char g_szClassName[] = "myWindowClass";
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch(msg)
{
case WM_CLOSE:
DestroyWindow(hwnd);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hwnd, msg, wParam, lParam);
}
return 0;
}
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPSTR lpCmdLine, int nCmdShow)
{
WNDCLASSEX wc;
HWND hwnd;
MSG Msg;
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = 0;
wc.lpfnWndProc = WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wc.lpszMenuName = NULL;
wc.lpszClassName = g_szClassName;
wc.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
if(!RegisterClassEx(&wc))
{
MessageBox(NULL, "Window Registration Failed!", "Error!",
MB_ICONEXCLAMATION | MB_OK);
return 0;
}
hwnd = CreateWindowEx(
WS_EX_CLIENTEDGE,
g_szClassName,
"The title of my window",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT, 240, 120,
NULL, NULL, hInstance, NULL);
if(hwnd == NULL)
{
MessageBox(NULL, "Window Creation Failed!", "Error!",
MB_ICONEXCLAMATION | MB_OK);
return 0;
}
ShowWindow(hwnd, nCmdShow);
UpdateWindow(hwnd);
while(GetMessage(&Msg, NULL, 0, 0) > 0)
{
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
return Msg.wParam;
}
解决方案
Two steps:
- If you have a c++ program you can build it as a
dll
by following this post, assuming you use visual studio. In order to use a
c++
dll
within ac#
program you need to read:
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