#include "callout.h" LoadLibrary("callout.dll"); HWND hwndCallout = CreateWindow("Callout", "Guess what this icon does...", WS_POPUP, 0, 0, 0, 0, NULL, 0, hInstance, NULL); SendMessage(hwndCallout, CM_SETANCHOR, 0, MAKELONG(100, 200)); ShowWindow(hwndCallout, SW_SHOW);
Example 1: Sending messages.