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User32ChangeWindowMessageFilterEx(IntPtr, EditControlMessages, ChangeWindowMessageFilterExAction, ChangeFilter) Method

Modifies the User Interface Privilege Isolation (UIPI) message filter for a specified edit-control (typically a TextBox).

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.

C#Request Example

[DllImportAttribute("User32.dll", SetLastError = true)]
public static bool ChangeWindowMessageFilterEx(
	IntPtr hWnd,
	EditControlMessages msg,
	ChangeWindowMessageFilterExAction action,
	ref ChangeFilter refChangeFilter
)

VBRequest Example

<DllImportAttribute("User32.dll", SetLastError := true>]
Public Shared Function ChangeWindowMessageFilterEx ( 
	hWnd As IntPtr,
	msg As EditControlMessages,
	action As ChangeWindowMessageFilterExAction,
	ByRef refChangeFilter As ChangeFilter
) As Boolean

Dim hWnd As IntPtr
Dim msg As EditControlMessages
Dim action As ChangeWindowMessageFilterExAction
Dim refChangeFilter As ChangeFilter

Dim returnValue As Boolean

returnValue = User32.ChangeWindowMessageFilterEx(hWnd, 
	msg, action, refChangeFilter)

C++Request Example

public:
[DllImportAttribute(L"User32.dll", SetLastError = true)]
static bool ChangeWindowMessageFilterEx(
	IntPtr hWnd, 
	EditControlMessages msg, 
	ChangeWindowMessageFilterExAction action, 
	ChangeFilter% refChangeFilter
)

F#Request Example

[<DllImportAttribute("User32.dll", SetLastError = true)>]
static member ChangeWindowMessageFilterEx : 
        hWnd : IntPtr * 
        msg : EditControlMessages * 
        action : ChangeWindowMessageFilterExAction * 
        refChangeFilter : ChangeFilter byref -> bool

ASP.NETRequest Example

No code example is currently available or this language may not be supported.

Parameters

hWnd IntPtr: A handle to the window whose UIPI message filter is to be modified.
msg EditControlMessages: The message that the message filter allows through or blocks.
action ChangeWindowMessageFilterExAction: The action to be performed.
refChangeFilter ChangeFilter: Optional pointer to a ChangeFilter structure.
If the ChangeWindowMessageFilterEx(IntPtr, EditControlMessages, ChangeWindowMessageFilterExAction, ChangeFilter) function succeeds, this structure contains information about the success.

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

https://msdn.microsoft.com/en-us/library/windows/desktop/dd388202%28v=vs.85%29.aspx

User32ChangeWindowMessageFilterEx(IntPtr, EditControlMessages, ChangeWindowMessageFilterExAction, ChangeFilter) Method

Definition

Parameters

Return Value

Remarks

See Also

Reference