User32ShutdownBlockReasonCreate Method

Indicates that the system cannot be shut down and sets a reason string to be displayed to the user if system shutdown is initiated.

Definition

Namespace: DevCase.Win32.NativeMethods
Assembly: DevCase.net48 (in DevCase.net48.dll) Version: 6.0.0.0 (6.0)
XMLNS for XAML: Not mapped to an xmlns.
[DllImportAttribute("User32.dll", ExactSpelling = true, SetLastError = true)]
public static bool ShutdownBlockReasonCreate(
	IntPtr hWnd,
	string reason
)

Parameters

hWnd  IntPtr
A handle to the main window of the application.
reason  String
The reason the application must block system shutdown.

This string will be truncated for display purposes after MAX_STR_BLOCKREASON characters.

Return Value

Boolean
If the function succeeds, the return value is .

If the function fails, the return value is .

To get extended error information, call GetLastWin32Error.

Remarks

See Also