These analyzers are automatically included with the NuGet package references. All CAS-related functionality is treated under the assumption of full-trust. The public API surface of these types still exists to ensure that calls into these types succeed. NET library assemblies. The WPF assemblies have type-forwarding set to the new location of the moved types. In order to minimize porting friction, the functionality for storing and retrieving information related to the following properties was retained in the XamlAccessLevel type.
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Important The Desktop Guide documentation for. NET approach. This file acts as the entry to the application. To add a control you simply have to write simple XAML code.
XAML code is placed in a Window tag. Control tags may have attributes that may describe their width, height, e. In WinForms adding an Image to a button meant having to draw the image yourself or including some Third-Party controls but WPF Button control is simple and you can add anything to it. Conclusion This article shows the major differences between WinForms and WPF through their architecture, syntax, file structure, and application behavior differences between the two.
NET approaches to create desktop applications. Although WinForms design may seem friendly and straightforward, XAML brings with it some useful functionalities that developers may need in modern-day desktop applications. View All. WPF vs. Sandeep Mishra Updated date Jan 22, The abbreviation W. The following illustration shows the sequence of the principal events in the lifetime of a window that is shown without activation ShowActivated is set to false before the window is shown :.
While a window is open, it has a location in the x and y dimensions relative to the desktop. This location can be determined by inspecting the Left and Top properties, respectively. Set these properties to change the location of the window. You can also specify the initial location of a Window when it first appears by setting the WindowStartupLocation property with one of the following WindowStartupLocation enumeration values:.
If the startup location is specified as Manual , and the Left and Top properties have not been set, Window will ask the operating system for a location to appear in. Besides having an x and y location, a window also has a location in the z dimension, which determines its vertical position with respect to other windows. This is known as the window's z-order, and there are two types: normal z-order and topmost z-order.
The location of a window in the normal z-order is determined by whether it's currently active or not. By default, a window is located in the normal z-order. The location of a window in the topmost z-order is also determined by whether it's currently active or not. Furthermore, windows in the topmost z-order are always located above windows in the normal z-order.
A window is located in the topmost z-order by setting its Topmost property to true. Within each z-order type, the currently active window appears above all other windows in the same z-order.
Besides having a desktop location, a window has a size that is determined by several properties, including the various width and height properties and SizeToContent. MinWidth , Width , and MaxWidth are used to manage the range of widths that a window can have during its lifetime. Because the various width values and height values each specify a range, it's possible for the width and height of a resizable window to be anywhere within the specified range for the respective dimension.
To detect its current width and height, inspect ActualWidth and ActualHeight , respectively. If you'd like the width and height of your window to have a size that fits to the size of the window's content, you can use the SizeToContent property, which has the following values:. The following example shows a window that automatically sizes to fit its content, both vertically and horizontally, when first shown. The following example shows how to set the SizeToContent property in code to specify how a window resizes to fit its content.
Essentially, the various sizes properties of a window combine to define the range of width and height for a resizable window. To ensure a valid range is maintained, Window evaluates the values of the size properties using the following orders of precedence. The order of precedence can also determine the size of a window when it's maximized, which is managed with the WindowState property. During the lifetime of a resizable window, it can have three states: normal, minimized, and maximized.
A window with a normal state is the default state of a window. A window with this state allows a user to move and resize it by using a resize grip or the border, if it's resizable. A window with a minimized state collapses to its task bar button if ShowInTaskbar is set to true ; otherwise, it collapses to the smallest possible size it can be and moves itself to the bottom-left corner of the desktop.
Neither type of minimized window can be resized using a border or resize grip, although a minimized window that isn't shown in the task bar can be dragged around the desktop.
A window with a maximized state expands to the maximum size it can be, which will only be as large as its MaxWidth , MaxHeight , and SizeToContent properties dictate. Like a minimized window, a maximized window can't be resized by using a resize grip or by dragging the border. The values of the Top , Left , Width , and Height properties of a window always represent the values for the normal state, even when the window is currently maximized or minimized. The state of a window can be configured by setting its WindowState property, which can have one of the following WindowState enumeration values:.
In general, you should set WindowState to configure the initial state of a window. Once a resizable window is shown, users can press the minimize, maximize, and restore buttons on the window's title bar to change the window state. You change the appearance of the client area of a window by adding window-specific content to it, such as buttons, labels, and text boxes.
To configure the non-client area, Window provides several properties, which include Icon to set a window's icon and Title to set its title. You can also change the appearance and behavior of non-client area border by configuring a window's resize mode, window style, and whether it appears as a button in the desktop task bar. Depending on the WindowStyle property, you can control if, and how, users resize the window.
The window style affects the following:. You can configure how a window resizes by setting its ResizeMode property, which can be one of the following ResizeMode enumeration values:. As with WindowStyle , the resize mode of a window is unlikely to change during its lifetime, which means that you'll most likely set it from XAML markup.
Note that you can detect whether a window is maximized, minimized, or restored by inspecting the WindowState property. The border that is exposed from the non-client area of a window is suitable for most applications.
However, there are circumstances where different types of borders are needed, or no borders are needed at all, depending on the type of window. To control what type of border a window gets, you set its WindowStyle property with one of the following values of the WindowStyle enumeration:.
Starting with Windows 7, the differences between the two styles are minimal. Because it's unlikely to change during the lifetime of a window, you'll most likely configure it using XAML markup. There are also situations where the border styles that WindowStyle allows you to have aren't sufficient. For example, you may want to create an application with a non-rectangular border, like Microsoft Windows Media Player uses.
This type of window can be created by setting the WindowStyle property to None , and by using special support that Window has for transparency. This combination of values instructs the window to render transparent. In this state, the window's non-client area adornment buttons can't be used and you need to provide your own. The default appearance of a window includes a taskbar button.
Some types of windows don't have a task bar button, such as message boxes, dialog boxes , or windows with the WindowStyle property set to ToolWindow. You can control whether the task bar button for a window is shown by setting the ShowInTaskbar property, which is true by default.
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