[求助] SetDlgItemText问题 - 编程论坛

十一月天2006-08-17 13:35

SetDlgItemText Function

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The SetDlgItemText function sets the title or text of a control in a dialog box.

Syntax

BOOL SetDlgItemText( HWND hDlg,
int nIDDlgItem,
LPCTSTR lpString
);
Parameters

hDlg
[in] Handle to the dialog box that contains the control.
nIDDlgItem
[in] Specifies the control with a title or text to be set.
lpString
[in] Pointer to the null-terminated string that contains the text to be copied to the control.
Return Value

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero. To get extended error information, call GetLastError.

Remarks

The SetDlgItemText function sends a WM_SETTEXT message to the specified control.

Windows 95/98/Me: SetDlgItemTextW is supported by the Microsoft® Layer for Unicode (MSLU). To use this, you must add certain files to your application, as outlined in Microsoft Layer for Unicode on Windows 95/98/Me Systems.

Example

For an example, see Creating a Simple List Box.

Function Information

Header Declared in Winuser.h, include Windows.h
Import library User32.lib
Minimum operating systems Windows 95, Windows NT 3.1
Unicode Implemented as Unicode and ANSI versions on Windows NT, Windows 2000, Windows XP

niewucai2007-03-10 12:22

回复：（zbt123456）[求助] SetDlgItemText问题

假如你要输入数据的编辑框的ID为IDC_EDIT1,你可以先在头文件里定义一个实例
CEdit m_edit;
然后再在
void CMyDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
DDX_Control(pDX,IDC_EDIT1,m_edit);//加入这一行
}
就可以用
ReplaceSel(字符串);
UpdateData(TRUE);
就不会覆盖原来的内容了。