mdi | 易学教程

How to set file type association in C#

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问题 I have a MDI application. This MDI application has lots of other tools including an editor as well. I would like to open all the ".txt" files with the editor of my MDI application, thereby making my application as the default viewer of all the ".txt" files. Whenever the user edits a ".txt" File the MDI application should launch and a editor window should be populated with the contents of the chosen ".txt" file . Is there a way I can do that please. Thanks 回答1: You need to change this reg key:

How to set file type association in C#

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Setting background Image of MDI Form

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问题 I am using this technique, it works well to change Background Color but not the image. My Image is Small in Size than the window so I use BackgroundImageLayout to Stretch but it's not making any difference. In my MDI Form's Constructor I am using following code: InitializeComponent(); Image img = Image.FromFile("C:\\duk.jpg"); foreach (Control control in this.Controls) { if (control is MdiClient) { control.BackgroundImageLayout = ImageLayout.Stretch; control.BackgroundImage = System.Drawing

Prevent MDI window to appear in the Window menu list

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问题 I have a .NET MDI application that uses the MDI Window List to automatically populate child MDI forms into the Window menu. Is it possible to prevent certain MDI child forms not be included in this automatic menu list? Requirements: - This child form has to be an MDI child. - This forms is always at the bottom of the MDI form stack. 回答1: You should handle the DropDownOpening event of the menu item, and remove the unwanted item from the list. Something like this: MenuStrip ms = new MenuStrip()

Run a child form process from parent in c#

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问题 I want to run a MDI child form its parent. For example I have 3 textboxes in the child form. I want to add the two values in the first two text boxes and write the results in the third. I want to have a button on the parent form (lets call it run button) to do this for me. Also, I have other child forms that do other calculations so I want the run button behaves according to the focused form. Does any one know how I should do it? I have written a method in each child form to do the

MFC 多文档menu切换

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作为一个MFC新手可能不知道怎样切换menu。在网上也很难找到相关资料。当应用程序向导生成的 SDI 或 MDI 应用程序时，它创建了菜单资源（使用 IDR_MAINFRAME 作为其资源 id。此菜单显示在所有时间 SDI 应用程序，并且仅在 MDI 应用程序中没有活动文档时。对于 MDI 应用程序中，应用程序向导还会生成菜单资源为一个 multidoc 模板创建使用 IDR_xxxxTYPE 作为其资源 id。附加的菜单资源可供其使用资源编辑器创建和使用另一台 multidoc 模板关联在一起（见 CMultiDocTemplate）。该框架将显示与每个 multidoc 模板自动关联的菜单资源。此方法将限制每个文档模板的一个菜单。若要避开此限制，可以重写 CDocument::GetDefaultMenu()，并执行一些调用以显示菜单。 MFC 使用 CMDIChildWnd::m_hMenuShared 和 CFrameWnd::m_hMenuDefault 数据成员来确定要显示的菜单。在 MDI 应用程序，其中每个文档模板关联的菜单资源文档模板构造期间加载并复制到 CMDIChildWnd::m_hMenuShared。然后在 CMDIChildWnd::OnUpdateFrameMenu() 中使用此菜单时没有活动的 MDI 子窗口设置 MDI

Can I show the ToolStrip of a child Form in the MDIParent Form?

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来源： https://stackoverflow.com/questions/61563557/can-i-show-the-toolstrip-of-a-child-form-in-the-mdiparent-form

Can I show the ToolStrip of a child Form in the MDIParent Form?

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来源： https://stackoverflow.com/questions/61563557/can-i-show-the-toolstrip-of-a-child-form-in-the-mdiparent-form

How to avoid screen bouncing when adding a new MDI Child Window

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问题 In my MDI Frame, I'm creating MDI Child Windows as follows: Form frm = new frmMyChild(); frm.MdiParent = this; frm.WindowState = FormWindowState.Maximized; frm.Show(); frm.Focus(); So far, this works good, but the screen is shortly "bouncing", because the child windows are put to "normal" state, and then they are maximized again. How can this be prevented? 回答1: Even if a MenuStrip is added to a MDI Parent Form, the Form.MainMenuStrip is still null . When this property is null , the System

Best Approach for a MDI Application in WPF? [closed]

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问题 Closed . This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 6 years ago . Improve this question I am developing a WPF Application for a Shop. So i have a MainWindow and all the rest will be Child. Which is the best thing to Use as Child Window. Window UserControl Window will be normal, it will be top on the MainWindow and if its UserControl it will