关于MFC的 SetFocus函数问题

[jinkui19930917]

这样设置焦点落在密码编辑框，可我明明设置到了用户名编辑框，什么没效果，该怎么改？

[schlafenhamster]

AfxMessageBox 引起的 问题， 其后 发送 WM_CANCELMODE 到 edit 试试

[schlafenhamster]

测试代码：

void CCancelModeDlg::OnSetfocusEdit1() 
{
	if(!FindWindow(0,"xxx"))
	{
		::MessageBox(m_Edit1.m_hWnd,"SetfocusEdit1","xxx",MB_OK);
// w.o this the cursor is 'I' anywhere ,means focus in edit1 !!!
// mouse has captured by edit1
		m_Edit1.PostMessage(WM_CANCELMODE,0,0);
	}
}

void CCancelModeDlg::OnSetfocusEdit2() 
{
	if(!FindWindow(0,"yyy"))// change : AFX_IDS_APP_TITLE="yyy" 
	{
		AfxMessageBox("SetfocusEdit2");
// w.o this the cursor is 'I' anywhere ,means focus in edit2 !!!
// mouse has captured by edit2
		m_Edit2.PostMessage(WM_CANCELMODE,0,0);
	}
}

[jinkui19930917]

引用 2 楼 schlafenhamster 的回复:

测试代码：

void CCancelModeDlg::OnSetfocusEdit1() 
{
	if(!FindWindow(0,"xxx"))
	{
		::MessageBox(m_Edit1.m_hWnd,"SetfocusEdit1","xxx",MB_OK);
// w.o this the cursor is 'I' anywhere ,means focus in edit1 !!!
// mouse has captured by edit1
		m_Edit1.PostMessage(WM_CANCELMODE,0,0);
	}
}

void CCancelModeDlg::OnSetfocusEdit2() 
{
	if(!FindWindow(0,"yyy"))// change : AFX_IDS_APP_TITLE="yyy" 
	{
		AfxMessageBox("SetfocusEdit2");
// w.o this the cursor is 'I' anywhere ,means focus in edit2 !!!
// mouse has captured by edit2
		m_Edit2.PostMessage(WM_CANCELMODE,0,0);
	}
}

新手表示有点深奥看不懂，能简单点吗？

[schlafenhamster]

WM_CANCELMODE The WM_CANCELMODE message is sent to cancel certain modes, such as mouse capture. For example, the system sends this message to the active window when a dialog box or message box is displayed. Certain functions also send this message explicitly to the specified window regardless of whether it is the active window. For example, the EnableWindow function sends this message when disabling the specified window. WM_CANCELMODE Parameters This message has no parameters. Return Values If an application processes this message, it should return zero.

[schlafenhamster]

"when a dialog box or message box is displayed."

[calven_2521]

lz vc6.0?

[没睡醒的蛐蛐]

用F12看下IDC_EDIT_NAME和IDC_EDIT_PASS的ID号是不是相同

[向立天]

代码没问题 应该是ID的问题

[jinkui19930917]

引用 6 楼 calven_2521 的回复:

lz vc6.0?

是的