added Qt Example, next change it to fit my project

QtMeshViewer/Source/MainWindow.cpp

@@ -0,0 +1,24 @@
+#include "..\Header\MainWindow.h"
+#include "..\Header\OglViewerWidget.h"
+#include <QSurfaceFormat>
+
+MainWindow::MainWindow(QWidget *parent)
+	: QMainWindow(parent)
+	, ui(new Ui::MainWindowClass)
+{
+	ui->setupUi(this);
+
+	QSurfaceFormat format;
+	format.setDepthBufferSize(24);
+	QSurfaceFormat::setDefaultFormat(format);
+
+	this->setCentralWidget(new OglViewerWidget(this));
+
+	ui->statusBar->showMessage("haha vbgf");
+}
+
+
+MainWindow::~MainWindow()
+{
+	delete ui;
+}