User32ValidateRgn(SafeHandle, SafeHandle) Method
Validates the client area within a region by removing the region from the current update region of the specified window..
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", SetLastError = true)]
public static bool ValidateRgn(
SafeHandle hWnd,
SafeHandle hRgn
)
<DllImportAttribute("User32.dll", SetLastError := true>]
Public Shared Function ValidateRgn (
hWnd As SafeHandle,
hRgn As SafeHandle
) As Boolean
Dim hWnd As SafeHandle
Dim hRgn As SafeHandle
Dim returnValue As Boolean
returnValue = User32.ValidateRgn(hWnd,
hRgn)
public:
[DllImportAttribute(L"User32.dll", SetLastError = true)]
static bool ValidateRgn(
SafeHandle^ hWnd,
SafeHandle^ hRgn
)
[<DllImportAttribute("User32.dll", SetLastError = true)>]
static member ValidateRgn :
hWnd : SafeHandle *
hRgn : SafeHandle -> bool
No code example is currently available or this language may not be supported.
- hWnd SafeHandle
-
A handle to the window whose update region is to be modified.
- hRgn SafeHandle
-
A handle to a region that defines the area to be removed from the update region.
If this parameter is Zero, the entire client area is removed.
Boolean
If the function succeeds, the return value is
.
If the function fails, the return value is
.
To get extended error information, call
GetLastWin32Error.