User32ShutdownBlockReasonQuery Method
Namespace: DevCase.Win32.NativeMethodsAssembly: 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 ShutdownBlockReasonQuery(
IntPtr hWnd,
StringBuilder buffer,
ref uint refBufferSize
)
<DllImportAttribute("User32.dll", ExactSpelling := true, SetLastError := true>]
Public Shared Function ShutdownBlockReasonQuery (
hWnd As IntPtr,
buffer As StringBuilder,
ByRef refBufferSize As UInteger
) As Boolean
Dim hWnd As IntPtr
Dim buffer As StringBuilder
Dim refBufferSize As UInteger
Dim returnValue As Boolean
returnValue = User32.ShutdownBlockReasonQuery(hWnd,
buffer, refBufferSize)
public:
[DllImportAttribute(L"User32.dll", ExactSpelling = true, SetLastError = true)]
static bool ShutdownBlockReasonQuery(
IntPtr hWnd,
StringBuilder^ buffer,
unsigned int% refBufferSize
)
[<DllImportAttribute("User32.dll", ExactSpelling = true, SetLastError = true)>]
static member ShutdownBlockReasonQuery :
hWnd : IntPtr *
buffer : StringBuilder *
refBufferSize : uint32 byref -> bool
No code example is currently available or this language may not be supported.
- hWnd IntPtr
-
A handle to the main window of the application.
- buffer StringBuilder
-
A pointer to a buffer that receives the reason string.
If this parameter is ,
the function retrieves the number of characters in the reason string.
- refBufferSize UInt32
-
A pointer to a variable that specifies the size of the buffer parameter, in characters.
If the function succeeds, this variable receives the number of characters copied into the buffer,
including the null-terminating character.
If the buffer is too small, the variable receives the required buffer size, in characters,
not including the null-terminating character.
Boolean
If the function succeeds, the return value is
.
If the function fails, the return value is
.
To get extended error information, call
GetLastWin32Error.