CWnd::GetDlgItemText

  • 项目

intGetDlgItemText(intnID**,LPTSTRlpStr,intnMaxCount)const;**

int GetDlgItemText( int nID**, CString&** rString ) const;

Return Value

Specifies the actual number of bytes copied to the buffer, not including the terminating null character. The value is 0 if no text is copied.

Parameters

nID

Specifies the integer identifier of the control whose title is to be retrieved.

lpStr

Points to the buffer to receive the control’s title or text.

nMaxCount

Specifies the maximum length (in bytes) of the string to be copied to lpStr. If the string is longer than nMaxCount, it is truncated.

rString

A reference to a CString.

Remarks

Call this member function to retrieve the title or text associated with a control in a dialog box. The GetDlgItemText member function copies the text to the location pointed to by lpStr and returns a count of the number of bytes it copies.

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See Also   CWnd::GetDlgItem, CWnd::GetDlgItemInt, ,