在 CChildFrame 中创建的可停靠窗格在应用程序第二次运行时不可见。开始

发布于 2024-08-24 13:15:50 字数 704 浏览 1 评论 0原文

我在 CChildFrame::OnCreate() 中创建了一些可停靠窗格 我第一次启动应用程序时会显示它们。 我第二次启动应用程序时,它们被创建,但分割窗口完全靠在客户端区域的侧面(底部和右侧),因此不可见。因此,我必须使用鼠标将分离器拉入客户区域,以便可停靠窗口再次可见。 如果我在我的应用程序中执行“文件”->“新建”,则会创建一个新的客户端窗口,并按应有的方式显示可停靠窗口。我认为这与在注册表中保存窗口布局有关,因为如果我更改 SetRegistryKey(_T("61sakjgsajkdg"));在我的应用程序的 CWinApp 派生类中。并重新运行,它们会在第一次时再次显示。 (但不是我第二次重新启动应用程序)。 如果我重新启动我的应用程序,如何保存这些可停靠窗口的布局。他们是可见的?否则我该如何阻止我的应用程序。用之前保存的布局覆盖窗口布局。与 LoadCustomState() 和 SaveCustomState() 有关吗?我找不到有关如何实现这些方法的任何信息。我在这里有一个演示项目的链接来演示我的意思:

http:// /www.4shared.com/file/237193472/c384f0f6/GUI60.html

有人可以告诉我如何在应用程序第二次启动时在我的 CChildFrame 类中显示这些可停靠窗口吗?

I have created some dockable panes in CChildFrame::OnCreate()
The first time i start the application they are shown.
The second time i start the application they are created but the splitterwindows are completly against the sides of the clients area (bottom and right), so not visible. So i have to use the mouse to pull the splitters into the clientarea so that the dockable windows become visible again.
If i do File->New in my app a new client window is created and showing the dockable windows as they should be. I Think this has something to do with saving the windows layout in the registry, because if i change SetRegistryKey(_T("61sakjgsajkdg")); in the CWinApp derived class of my app. and rerun they are shown again the first time. (but not the second time i restart the app).
How can i save the layout of those dockable windows as well, so if i restart my app. they are visible ? Or else how do i prevent my app. of overwritting the window layout with the one previously saved. Something to do with LoadCustomState() and SaveCustomState() ?, i could no find any info on howto implement those methods. I have here a link to the demo project to demonstrate what i mean:

http://www.4shared.com/file/237193472/c384f0f6/GUI60.html

Could someone tell me how to show those dockable windows in my CChildFrame class the second time the app starts?

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评论(3

栀梦 2024-08-31 13:15:50

MFC 功能包中的新类都将其窗口状态保存在注册表中。

从声音来看,我认为您可能需要调用 CWinAppEx::SetRegistryBase( ) 在您调用 SetRegistryKey() 之后的 InitInstance() 中。 MSDN 对此进行了描述(几乎没有详细说明原因此处,在步骤 #4 中。

The new classes in the MFC Feature Pack all have their window state saved in the registry.

From the sound of it, I think you probably need to call CWinAppEx::SetRegistryBase() in your InitInstance() after you call SetRegistryKey(). MSDN describes it (with little to no detail on why) here in step #4.

乞讨 2024-08-31 13:15:50

我认为 SaveState() 调用应该放在 CMainFrame::DestroyWindow() 方法中,以便在调用 SaveState() 时主框架的子窗口尚未被销毁。
我尝试在 CMainFrame 的析构函数中使用 SaveState(),一些断言不会通过,因为子窗格已经被销毁。

I think the SaveState() call should be put in the CMainFrame::DestroyWindow() method, so that Main Frame's child windows are not yet destroyed when the SaveState() is called.
I tried to use the SaveState() in the destructor of CMainFrame, some assertions won't pass because the child panes are already destroyed.

樱花细雨 2024-08-31 13:15:50

我在 InitInstance 中将其更改为 :




if (!ProcessShellCommand(cmdInfo))
返回假;

LoadState((CMainFrame*)AfxGetMainWnd(),_T("Settings4"));

// The main window has been initialized, so show and update it
pMainFrame->ShowWindow(m_nCmdShow);
pMainFrame->UpdateWindow();


AND 在:

CMainFrame::~CMainFrame()
{
theApp.SaveState((CMainFrame*)AfxGetMainWnd(),_T("Settings4"));

不知道这是否是这样做的方法,但它现在有效。
对此的任何评论都非常受欢迎。

I changed it a bit in InitInstance to :

.
.
.
if (!ProcessShellCommand(cmdInfo))
return FALSE;

LoadState((CMainFrame*)AfxGetMainWnd(),_T("Settings4"));

// The main window has been initialized, so show and update it
pMainFrame->ShowWindow(m_nCmdShow);
pMainFrame->UpdateWindow();

.
.

AND in:

CMainFrame::~CMainFrame()
{
theApp.SaveState((CMainFrame*)AfxGetMainWnd(),_T("Settings4"));
}

I dont know if this is the way to do it, but it is working for now.
Any comments on this are more than welcome.

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