如何在VC++中用纯代码生成按钮等控件？

Posted 2023-05-08

我用的是VC++ 6.0,知道可以在ApplicationWizard中生成MFC应用程序然后直接添加控件，但我想知道是否可以建议一个Win32 Application的空工程，添加一个C++ Source File，只靠写代码来生成一个按钮、文本框之类的控件?

我觉得既然一个窗体都可以靠纯代码生成，那么控件应该不成问题吧？如果能的话，如何来实现呢？

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http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=166512 参考技术A 窗口你应该会了吧？
那你直接在有窗口的情况下，
#define IDC_BUTTON1 1000

CButton m_Button
void OnMyButton();

添加消息相应函数
ON_BN_CLICKED(IDC_BUTTON1, OnMyButton)

CRect rect(0,0,100,100);
m_Button.Create("111", WS_CHILD | WS_VISIBLE | WS_TABSTOP , rect, this, IDC_BUTTON1 );

最后
void XXX::OnMyButton()

……
本回答被提问者采纳 参考技术B 有很多办法的。
楼上的算是一种办法
CWnd* wnd;
wnd.CreateEx(0,_T("BUTTON"),"xxx"...);
这也是一种办法。 参考技术C //类定义里
CButton m_btn ;

//类实现
if ( m_btn.Create(...) )

m_btn.MoveWindow(...);
m_btn.ShowWindow( SW_SHOW );

QT如何获得对话框中控件的指针？

QT如何获得对话框中控件的指针？ 比如获得对话框中一个按钮的指针，VC中的GetDlgItem()可以实现该功能，QT中用什么函数呢。假设按钮是用qt creator拖入的，不是用代码创建的。

qt的ui其实在编译的时候也是生成了一个c++类的，生成类在ui_XXX.h 中，可以通过直接继承的方式来获取ui类里面各控件的指针。qt createor添加ui类时会自动生成一个如 Ui::MainWindow *ui这般的ui指针，通过ui指针即可访问对话框中的控件指针。 参考技术A

QT界面都会有一个对应的ui指针，再通过ui执行控件的ObjectName,就是改空间的指针了。

比如界面一个 QPushButton 的名称是 btn,则可以这样获取他的指针 ui->btn

想改变它的text,可以如此 ： ui->btn->setText("确定");

参考技术B 用ui->引用就行