Question

我想在我的主窗口中创建一个可以接受文本输入并包含按钮的小盒子。当我说嵌入式时，我的意思是我想让它无缝地集成在我的主窗口中而没有自己的关闭按钮。我无休止地搜索谷歌，并没有找到一个不涉及mfc或.net的答案。我怎么能在原始的win32应用程序中执行此操作。请将您的代码添加到我的骨架中，如下所示。谢谢！

#include <windows.h>

LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;

int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
                    PSTR szCmdLine, int iCmdShow)
{
     static TCHAR szAppName[] = TEXT ("App") ;
     HWND         hwnd ;
     MSG          msg ;
     WNDCLASS     wndclass ;

     wndclass.style         = CS_HREDRAW | CS_VREDRAW ;
     wndclass.lpfnWndProc   = WndProc ;
     wndclass.cbClsExtra    = 0 ;
     wndclass.cbWndExtra    = 0 ;
     wndclass.hInstance     = hInstance ;
     wndclass.hIcon         = LoadIcon (NULL, IDI_APPLICATION) ;
     wndclass.hCursor       = LoadCursor (NULL, IDC_ARROW) ;
     wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
     wndclass.lpszMenuName  = NULL ;
     wndclass.lpszClassName = szAppName ;

     if (!RegisterClass (&wndclass))
     {
          MessageBox (NULL, TEXT ("This program requires Windows NT!"),
                      szAppName, MB_ICONERROR) ;
          return 0 ;
     }

     hwnd = CreateWindow (szAppName,                  // window class name
                          TEXT ("App"), // window caption
                          WS_OVERLAPPEDWINDOW,        // window style
                          CW_USEDEFAULT,              // initial x position
                          CW_USEDEFAULT,              // initial y position
                          CW_USEDEFAULT,              // initial x size
                          CW_USEDEFAULT,              // initial y size
                          NULL,                       // parent window handle
                          NULL,                       // window menu handle
                          hInstance,                  // program instance handle
                          NULL) ;                     // creation parameters

     ShowWindow (hwnd, iCmdShow) ;
     UpdateWindow (hwnd) ;

     while (GetMessage (&msg, NULL, 0, 0))
     {
          TranslateMessage (&msg) ;
          DispatchMessage (&msg) ;
     }
     return msg.wParam ;
}

LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
     HDC         hdc ;
     PAINTSTRUCT ps ;
     RECT        rect ;

     switch (message)
     {
     case WM_CREATE:

          return 0 ;

     case WM_PAINT:
          hdc = BeginPaint (hwnd, &ps) ;



          EndPaint (hwnd, &ps) ;
          return 0 ;

     case WM_DESTROY:
          PostQuitMessage (0) ;
          return 0 ;
     }
     return DefWindowProc (hwnd, message, wParam, lParam) ;
}

Answer 1

您希望收到的所有邮件是什么？例如，按下按钮时会发送WM_COMMAND消息。处理这些消息如下：

 LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
 {
 HDC         hdc ;
 PAINTSTRUCT ps ;
 RECT        rect ;

 switch (message)
 {
 case WM_CREATE:

      return 0 ;

 case WM_COMMAND:
      {
      switch(LOWORD(wParam))
          {
          case IDC_BUTTON:              
              /*
               IDC_BUTTON is id given to button
               This id is specified while creating window. If you are using 
               CreateWindow then it will be as follows:

           CreateWindow("BUTTON", 0, WS_CHILD|WS_VISIBLE, 70, 70, 80, 25, g_hWnd, (HMENU)IDC_BUTTON, hInst, 0);                      

       and in resource.rc file or in the beginning of code. Do "#define IDC_BUTTON                  3456"
        3456 is just a reference you can give any other no as well. Prefer using bigger number so that they can not conflict with existing ones.
              */


              //do whatever you want to do here when button is pressed
          break
          }
      }
      break;
 case WM_PAINT:
      hdc = BeginPaint (hwnd, &ps) ;



      EndPaint (hwnd, &ps) ;
      return 0 ;

 case WM_DESTROY:
      PostQuitMessage (0) ;
      return 0 ;
 }
 return DefWindowProc (hwnd, message, wParam, lParam) ;

}

Answer 2

您的问题不是很明确，但在Win32中动态创建文本框和按钮的方法是使用CreateWindow函数。 Win32为控件注册特殊类，您可以将其作为第一个参数传递给CreateWindow。

要创建文本框，请致电 -

CreateWindow("EDIT", 0, WS_BORDER|WS_CHILD|WS_VISIBLE, 56, 10, 50, 18, g_hWnd, 0, hInst, 0);

创建按钮 -

CreateWindow("BUTTON", 0, WS_CHILD|WS_VISIBLE, 70, 70, 80, 25, g_hWnd, 0, hInst, 0);

您必须指定WS_CHILD和WS_VISIBLE样式，并提供主窗口的句柄作为其父级。

如何在win32窗口中创建嵌入式文本输入框

2 个答案: