User32SetMessageExtraInfo Method

Sets the extra message information for the current thread.

Extra message information is an application- or driver-defined value associated with the current thread's message queue.

An application can use the GetMessageExtraInfo function to retrieve a thread's extra message information.

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 IntPtr SetMessageExtraInfo(
	IntPtr lParam
)

Parameters

lParam  IntPtr
The value to be associated with the current thread.

Return Value

IntPtr
The return value is the previous value associated with the current thread.

Remarks

See Also