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ShowWindowAsync function (winuser.h)

  • Článek

Sets the show state of a window without waiting for the operation to complete.

Syntax

BOOL ShowWindowAsync(
  [in] HWND hWnd,
  [in] int  nCmdShow
);

Parameters

[in] hWnd

Type: HWND

A handle to the window.

[in] nCmdShow

Type: int

Controls how the window is to be shown. For a list of possible values, see the description of the ShowWindow function.

Return value

Type: BOOL

If the operation was successfully started, the return value is nonzero.

Remarks

This function posts a show-window event to the message queue of the given window. An application can use this function to avoid becoming nonresponsive while waiting for a nonresponsive application to finish processing a show-window event.

Requirements

Requirement Value
Minimum supported client Windows 2000 Professional [desktop apps only]
Minimum supported server Windows 2000 Server [desktop apps only]
Target Platform Windows
Header winuser.h (include Windows.h)
Library User32.lib
DLL User32.dll
API set ext-ms-win-ntuser-window-l1-1-4 (introduced in Windows 10, version 10.0.14393)

See also

Conceptual

Reference

ShowWindow

Windows