像聊天室的屏幕一样,最新的内容在最下面,不过编辑框滚动到最下面的方法。
CEditm_CtrlEdit;
CString m_szMsgSay = "新加入的聊天内容";
CString tmp;
void CMsgDlg::OnButtonSay()
{
UpdateData(TRUE);
tmp += m_szMsgSay;
m_CtrlEdit.SetWindowText(tmp);
m_CtrlEdit.SetScrollPos(SB_VERT,m_CtrlEdit.GetLineCount(),TRUE);
UpdateData(FALSE);
}
SetScrollPos是CWnd的.
CEdit Class Members
Construction
Attributes
Operations
Clipboard Operations
| CEdit | Constructs a CEdit control object. |
| Create | Creates the Windows edit control and attaches it to the CEdit object. |
| CanUndo | Determines whether an edit-control operation can be undone. |
| GetLineCount | Retrieves the number of lines in a multiple-line edit control. |
| GetModify | Determines whether the contents of an edit control have been modified. |
| SetModify | Sets or clears the modification flag for an edit control. |
| GetRect | Gets the formatting rectangle of an edit control. |
| GetSel | Gets the starting and ending character positions of the current selection in an edit control. |
| GetHandle | Retrieves a handle to the memory currently allocated for a multiple-line edit control. |
| SetHandle | Sets the handle to the local memory that will be used by a multiple-line edit control. |
| SetMargins | Sets the left and right margins for this CEdit. |
| GetMargins | Gets the left and right margins for this CEdit. |
| SetLimitText | Sets the maximum amount of text this CEdit can contain. |
| GetLimitText | Gets the maximum amount of text this CEdit can contain. |
| PosFromChar | Retrieves the coordinates of the upper-left corner of a specified character index. |
| CharFromPos | Retrieves the line and character indices for the character closest to a specified position. |
| GetLine | Retrieves a line of text from an edit control. |
| GetPasswordChar | Retrieves the password character displayed in an edit control when the user enters text. |
| GetFirstVisibleLine | Determines the topmost visible line in an edit control. |
| EmptyUndoBuffer | Resets (clears) the undo flag of an edit control. |
| FmtLines | Sets the inclusion of soft line-break characters on or off within a multiple-line edit control. |
| LimitText | Limits the length of the text that the user may enter into an edit control. |
| LineFromChar | Retrieves the line number of the line that contains the specified character index. |
| LineIndex | Retrieves the character index of a line within a multiple-line edit control. |
| LineLength | Retrieves the length of a line in an edit control. |
| LineScroll | Scrolls the text of a multiple-line edit control. |
| ReplaceSel | Replaces the current selection in an edit control with the specified text. |
| SetPasswordChar | Sets or removes a password character displayed in an edit control when the user enters text. |
| SetRect | Sets the formatting rectangle of a multiple-line edit control and updates the control. |
| SetRectNP | Sets the formatting rectangle of a multiple-line edit control without redrawing the control window. |
| SetSel | Selects a range of characters in an edit control. |
| SetTabStops | Sets the tab stops in a multiple-line edit control. |
| SetReadOnly | Sets the read-only state of an edit control. |
| Undo | Reverses the last edit-control operation. |
| Clear | Deletes (clears) the current selection (if any) in the edit control. |
| Copy | Copies the current selection (if any) in the edit control to the Clipboard in CF_TEXT format. |
| Cut | Deletes (cuts) the current selection (if any) in the edit control and copies the deleted text to the Clipboard in CF_TEXT format. |
| Paste | Inserts the data from the Clipboard into the edit control at the current cursor position. Data is inserted only if the Clipboard contains data in CF_TEXT format. |
CEdit Overview | Base Class Members | Hierarchy Chart
博客介绍了让编辑框像聊天室屏幕一样,将最新内容显示在最下面并滚动到最下面的方法。给出了相关代码示例,涉及CEdit类成员,如使用SetScrollPos函数实现滚动,还列举了CEdit类的构造、属性、操作等方面内容。
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