Win32 Button Control

Creating a button control in a Win32 window (hWnd).

Define a unique ID for the button control:

#define BTN_MYBUTTON_ID	503

Create the control after the main Win32 window has been created:

// Create button control.
CreateWindowEx(NULL, L"BUTTON", L"Click Me", WS_VISIBLE | WS_CHILD,
		35, 35, 120, 20, hWnd, (HMENU)BTN_KEYGUARD_ID, NULL, NULL);

Listen for activity in your message handler (WndProc):

switch (message) {
case WM_COMMAND:
	wmId    = LOWORD(wParam);
	wmEvent = HIWORD(wParam);
		
	switch (wmId) {
	case BTN_MYBUTTON_ID:
		// Your code here.
		MessageBox(hWnd, L"I was clicked!", L"Info", MB_OK);
		break;

Setting and getting text from your button control:

SetDlgItemText(hWnd, BTN_MYBUTTON_ID, "Foo!");
GetDlgItemText(hWnd, BTN_MYBUTTON_ID, szBuf, sizeof(szBuf));