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NF:winuser.SetDialogControlDpiChangeBehavior |
SetDialogControlDpiChangeBehavior function (winuser.h) |
Overrides the default per-monitor DPI scaling behavior of a child window in a dialog. |
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hidpi\setdialogresizebehavior.htm |
hidpi |
52BB557B-0D70-4189-9BD0-EB94188EA4E7 |
12/05/2018 |
SetDialogControlDpiChangeBehavior, SetDialogResizeBehavior, SetDialogResizeBehavior function [High DPI], hidpi.setdialogresizebehavior, winuser/SetDialogResizeBehavior |
winuser.h |
Windows |
Windows 10, version 1703 [desktop apps only] |
Windows Server 2016 [desktop apps only] |
User32.lib |
User32.dll |
Windows |
19H1 |
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Overrides the default per-monitor DPI scaling behavior of a child window in a dialog.
A handle for the window whose behavior will be modified.
A mask specifying the subset of flags to be changed.
The desired value to be set for the specified subset of flags.
This function returns TRUE if the operation was successful, and FALSE otherwise. To get extended error information, call GetLastError.
Possible errors are ERROR_INVALID_HANDLE if passed an invalid HWND, and ERROR_ACCESS_DENIED if the windows belongs to another process.
The behaviors are specified as values from the DIALOG_CONTROL_DPI_CHANGE_BEHAVIORS enum. This function follows the typical two-parameter approach to setting flags, where a mask specifies the subset of the flags to be changed.
It is valid to set these behaviors on any window. It does not matter if the window is currently a child of a dialog at the point in time that SetDialogControlDpiChangeBehavior is called. The behaviors are retained and will take effect only when the window is an immediate child of a dialog that has per-monitor DPI scaling enabled.
This API influences individual controls within dialogs. The dialog-wide per-monitor DPI scaling behavior is controlled by SetDialogDpiChangeBehavior.