dlg.cpp

设置空间字体

#define ID_MYEDIT  1820

#include <afxwin.h>
#include "Resource.h"
#include "dlg.h"

//构造函数生成CDialog的子类
CDlg::CDlg(CWnd* pParent) : CDialog(IDD_DIALOG, pParent)
{
}

void CDlg::OnCreate() 
{
	CWnd *wnd;
	CRect rect;

	//判断EDIT控件是否生成
	if (!(wnd =GetDlgItem(ID_MYEDIT)))
	{
		//生成EDIT控件
		if (m_MyEdit.CreateEx(WS_EX_CLIENTEDGE, _T("EDIT"), NULL,
			ES_AUTOHSCROLL | ES_LEFT | WS_CHILD,
			5,5,130,20, this->m_hWnd,(HMENU) ID_MYEDIT) == NULL)
		{
			MessageBox(TEXT("未能创建EDIT控件"), TEXT("提示窗口"));
		}
		else
		{
			//显示EDIT控件
			m_MyEdit.ShowWindow(SW_SHOW);
			//将焦点放在EDIT控件上
			m_MyEdit.SetFocus();
		}

        rect = CRect(5,30,135,50);
		//生成BUTTON控件
		if (m_MyButton.CreateEx(0, _T("BUTTON"), "动态添加控件",
			BS_AUTOCHECKBOX | BS_LEFTTEXT | WS_CHILD,
			rect, this, ID_MYEDIT) == NULL)
		{
			MessageBox(TEXT("未能创建BUTTON控件"), TEXT("提示窗口"));
		}
		else
		{
			//显示BUTTON控件
			m_MyButton.ShowWindow(SW_SHOW);
		}
	}
}

void CDlg::OnDelete() 
{
	CWnd *wnd;

	//判断控件是否生成
	while (wnd =GetDlgItem(ID_MYEDIT))
		//销毁控件
		wnd->DestroyWindow() ;
}

void CDlg::OnExit() 
{
	//调用父类关闭窗口方法
	CDialog::OnCancel();
}

BEGIN_MESSAGE_MAP(CDlg, CDialog)
	//点击动态生成按钮事件
	ON_BN_CLICKED(IDC_CREATE, OnCreate)
	//点击删除控件按钮事件
	ON_BN_CLICKED(IDC_DELETE, OnDelete)
	//点击退出按钮事件
	ON_BN_CLICKED(IDC_EXIT,   OnExit)
END_MESSAGE_MAP()