InSendMessage function

Determines whether the current window procedure is processing a message that was sent from another thread (in the same process or a different process) by a call to the SendMessage function.

To obtain additional information about how the message was sent, use the InSendMessageEx function.

Syntax

BOOL WINAPI InSendMessage(void);

Parameters

This function has no parameters.

Return value

Type:

Type: BOOL

If the window procedure is processing a message sent to it from another thread using the SendMessage function, the return value is nonzero.

If the window procedure is not processing a message sent to it from another thread using the SendMessage function, the return value is zero.

Examples

For an example, see Sending a Message.

Requirements

See also

Reference

InSendMessageEx

SendMessage

Conceptual

Messages and Message Queues