EditBox control Update Problem (A CString type EditBox control in a loop cannot be updated immidiate...

转载于 2006-11-02 06:49:00 发布 · 52 阅读

CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/cy163/archive/2006/11/02/547426.html

本文介绍了使用MFC进行界面更新的两种方法。第一种方法通过设置CListCtrl类型的变量，并在循环体中调用SetWindowText及UpdateWindow等函数实现文本显示更新。第二种方法通过无限循环并捕获和处理Windows消息来强制界面刷新。

Method One

in the "Add variables " panel, select control instead of value for the category. Then select CListCtrl for variable type.

Let's assume that the variable for the CListCtrl is m_Progress. In the loop body, adding

   ((CEdit *)GetDlgItem(IDC_List18)->SetWindowText("Hello"))
   UpdateData(false);
   m_Progress.UpdateWindow();

(suggested by a thread from codecomments.com
Create a CEdit member variable such as m_edit. Then you do this to make
it paint immediately:

UpdateData(false);
m_edit.UpdateWindow();

Methods Two

for (;;)
{
//
// ... Your stuff to test
//

{ // Commenting this block will block all messages to app
// until the loop terminates

MSG msg;

while(GetMessage(&msg, 0, 0, NULL))//also try with PeekMessage
{
if(!PreTranslateMessage(&msg))
{
::TranslateMessage(&msg);
::DispatchMessage(&msg);
}
}
}
}