X-Git-Url: https://git.ucc.asn.au/?p=matches%2Fhonours.git;a=blobdiff_plain;f=research%2Ftransmission_spectroscopy%2FTOF%2FWin32%2B%2B%2Fsamples%2FThreads%2Fsrc%2FMainWnd.cpp;fp=research%2Ftransmission_spectroscopy%2FTOF%2FWin32%2B%2B%2Fsamples%2FThreads%2Fsrc%2FMainWnd.cpp;h=eb9dd9e36a42f4b4515b44d646d690a3406431c7;hp=0000000000000000000000000000000000000000;hb=70a96cca12cb006506461d26cd112bab179fe74c;hpb=8caf60af39689a3546074f0c68d14c3a2e28191e

diff --git a/research/transmission_spectroscopy/TOF/Win32++/samples/Threads/src/MainWnd.cpp b/research/transmission_spectroscopy/TOF/Win32++/samples/Threads/src/MainWnd.cpp
new file mode 100644
index 00000000..eb9dd9e3
--- /dev/null
+++ b/research/transmission_spectroscopy/TOF/Win32++/samples/Threads/src/MainWnd.cpp
@@ -0,0 +1,105 @@
+//////////////////////////////////////////////
+// MainWnd.cpp
+//  Definitions for the CMainWindow class
+
+#include "stdafx.h"
+#include "MainWnd.h"
+
+
+CMainWindow::CMainWindow() : m_nWindowsCreated(0)
+{
+	// Set the number of threads
+	m_nTestWin = 20;
+
+	// A couple of notes in case you're tempted to test how many threads with test windows can be created ...
+
+	// Note 1: A Windows limit of 10000 handles per process imposes a practical limit of aprox 1000 test windows.
+	//         Refer to: http://support.microsoft.com/kb/327699
+	// Note 2: All our threads belong to the one process.
+	// Note 3: Creating (or destroying) more than say 200 windows may temporarily stress the Explorer process.
+	// Note 4: This sample is intended as "proof of concept" only. A well written program should not require 20 GUI threads!
+}
+
+HWND CMainWindow::Create(CWnd* pParent)
+{
+	CString str = _T("Main Thread Window");
+
+	// Create the main window
+	return CreateEx(WS_EX_TOPMOST, NULL, str, WS_OVERLAPPEDWINDOW | WS_VISIBLE,
+		20 , 50, 400, 300, pParent, NULL);
+}
+
+void CMainWindow::OnCreate()
+{
+	// Create each CMyThread object
+	for (int i = 1 ; i <= m_nTestWin ; i++)
+	{
+		// Create the Test Window and store the CTestWindow pointer
+		CTestWindow* pTestWin = new CTestWindow(i);
+
+		CString str;
+		str.Format( _T("Thread %d started\n"), i );
+		TRACE(str);
+
+		m_vTestWnd.push_back(pTestWin);
+	}
+
+	std::vector<TestWndPtr>::iterator iter;
+	for (iter = m_vTestWnd.begin(); iter < m_vTestWnd.end(); ++iter)
+	{
+		(*iter)->ResumeThread();
+	}
+}
+
+void CMainWindow::OnAllWindowsCreated()
+{
+	CString str;
+	str.Format( _T("%d Test windows created in seperate threads\n"), m_nTestWin );
+	TRACE(str);
+}
+
+LRESULT CMainWindow::WndProc(UINT uMsg, WPARAM wParam, LPARAM lParam)
+{
+	switch (uMsg)
+	{
+	case WM_COMMAND:
+		if (HIWORD(wParam) == EN_SETFOCUS)
+			SetFocus();
+		break;
+
+	case WM_CLOSE:
+		{
+			// Close each thread window.
+			// The thread is then terminated with a WM_QUIT when its window is destroyed.
+			std::vector<TestWndPtr>::iterator iter;
+			for (iter = m_vTestWnd.begin(); iter < m_vTestWnd.end(); ++iter)
+			{
+				if ((*iter)->IsWindow())
+					(*iter)->SendMessage(WM_CLOSE, 0, 0);
+			}
+		}
+		break;
+
+	case WM_DESTROY:
+		{
+			// Terminate the primary thread.
+			::PostQuitMessage(0);
+		}
+		break;
+
+	case WM_WINDOWCREATED:
+		{
+			// Message recieved when a test window is created
+			CString str;
+			++m_nWindowsCreated;
+			str.Format( _T("Created Window %d\n"), m_nWindowsCreated );
+			TRACE(str);
+			if (m_nWindowsCreated == m_nTestWin)
+				OnAllWindowsCreated();
+		}
+		break;
+	}
+
+	return WndProcDefault(uMsg, wParam, lParam);
+}
+