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Extended Window Styles

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The latest version of this topic can be found at Extended Window Styles.

WS_EX_ACCEPTFILES** Specifies that a window created with this style accepts drag-and-drop files.

  • WS_EX_APPWINDOW Forces a top-level window onto the taskbar when the window is visible.

  • WS_EX_CLIENTEDGE Specifies that a window has a 3D look — that is, a border with a sunken edge.

  • WS_EX_CONTEXTHELP Includes a question mark in the title bar of the window. When the user clicks the question mark, the cursor changes to a question mark with a pointer. If the user then clicks a child window, the child receives a WM_HELP message.

  • WS_EX_CONTROLPARENT Allows the user to navigate among the child windows of the window by using the TAB key.

  • WS_EX_DLGMODALFRAME Designates a window with a double border that may (optionally) be created with a title bar when you specify the WS_CAPTION style flag in the dwStyle parameter.

  • WS_EX_LAYERED The window is a layered window. This style cannot be used if the window has a class style of either CS_OWNDC or CS_CLASSDC. However, Windows 8 does support the WS_EX_LAYERED style for child windows, where previous Windows versions support it only for top-level windows.

  • WS_EX_LEFT Gives window generic left-aligned properties. This is the default.

  • WS_EX_LEFTSCROLLBAR Places a vertical scroll bar to the left of the client area.

  • WS_EX_LTRREADING Displays the window text using left-to-right reading order properties. This is the default.

  • WS_EX_MDICHILD Creates an MDI child window.

  • WS_EX_NOPARENTNOTIFY Specifies that a child window created with this style will not send the WM_PARENTNOTIFY message to its parent window when the child window is created or destroyed.

  • WS_EX_OVERLAPPEDWINDOW Combines the WS_EX_CLIENTEDGE and WS_EX_WINDOWEDGE styles

  • WS_EX_PALETTEWINDOW Combines the WS_EX_WINDOWEDGE and WS_EX_TOPMOST styles.

  • WS_EX_RIGHT Gives a window generic right-aligned properties. This depends on the window class.

  • WS_EX_RIGHTSCROLLBAR Places a vertical scroll bar (if present) to the right of the client area. This is the default.

  • WS_EX_RTLREADING Displays the window text using right-to-left reading order properties.

  • WS_EX_STATICEDGE Creates a window with a three-dimensional border style intended to be used for items that do not accept user input.

  • WS_EX_TOOLWINDOW Creates a tool window, which is a window intended to be used as a floating toolbar. A tool window has a title bar that is shorter than a normal title bar, and the window title is drawn using a smaller font. A tool window does not appear in the task bar or in the window that appears when the user presses ALT+TAB.

  • WS_EX_TOPMOST Specifies that a window created with this style should be placed above all nontopmost windows and stay above them even when the window is deactivated. An application can use the SetWindowPos member function to add or remove this attribute.

  • WS_EX_TRANSPARENT Specifies that a window created with this style is to be transparent. That is, any windows that are beneath the window are not obscured by the window. A window created with this style receives WM_PAINT messages only after all sibling windows beneath it have been updated.

  • WS_EX_WINDOWEDGE Specifies that a window has a border with a raised edge.

See Also

Styles Used by MFC
CWnd::CreateEx
CreateWindowEx