http://creativetutors4kids.com Wed, 21 Jul 2010 03:36:47 +0000 http://backend.userland.com/rss092 en You ride front side the front protection are the key. Has to your vehicle' to cause possibility; S-damage many dangerous there. CARiD is in its crown, is, why we lock the work roughness and makes modern high-grade steel improvement available. The grill protection, the bull staff and press the defense, ... http://creativetutors4kids.com/?p=2975 In this hour you created two applications that perform the same task. One application was created with MFC and the other with the .NET Framework. Both application display a hello message when a push button is clicked. You also learned about the differences between the two application implementations. Being familiar with ... http://creativetutors4kids.com/?p=702 Another major difference you should notice while looking at both applications is that the .NET application does not delete anything it allocates with new. This is because the .NET Framework frees all objects once they are no longer referenced. This is done by the garbage collector automatically. This eliminates the ... http://creativetutors4kids.com/?p=700 Although the process of building the MFC application was more automated with wizards and form designers, the resulting code of the two applications shows that the MFC application is much more complex. If you take into consideration that the .NET application has no resource file to describe the Windows Form ... http://creativetutors4kids.com/?p=698 Listing 3.3 Adding Event Handler Declarations 1: #pragma once 2: 3: #using 4: 5: #using 6: #using 7: #using 8: 9: using namespace System; 10: using namespace System::Windows::Forms; 11: 12: __gc class CHelloNETForm : public Form 13: { 14: public: 15: CHelloNETForm(void); 16: ~CHelloNETForm(void); 17: protected: 18: ... http://creativetutors4kids.com/?p=696 In order for your form to respond to user events, you'll need to capture the button click events. Events that were previously handled with the MFC message map are handled quite differently in the .NET Framework. Events are handled by delegates within your class. A delegate is quite similar to ... http://creativetutors4kids.com/?p=694 46: m_pbtnDone->Location = System::Drawing::Point(240, 40); 47: m_pbtnDone->Name = "Done"; 48: m_pbtnDone->TabIndex = 1; 49: m_pbtnDone->Text = "Done"; 50: m_pbtnDone->add_Click( 51 new System::EventHandler( this, &CHelloNETForm::OnDoneClick ) ); 52: // 53: // Message ... http://creativetutors4kids.com/?p=691 Listing 3.2 Creating the Form 1: #include "stdafx.h" 2: #include "hellonetform.h" 3: #include 4: 5: #using 6: CHelloNETForm::CHelloNETForm(void) 7: : m_pbtnMessage(NULL) 8: , m_pbtnDone(NULL) 9: , m_pstMessage(NULL) 10: , m_pComponents(NULL) 11: { 12: m_pComponents = new System::ComponentModel::Container(); 13: 14: // Initialize the Form 15: InitForm(); 16: ... http://creativetutors4kids.com/?p=689 Now it's time to fill in the functions you just created. Refer to Listing 3.2 as you read through this section. To begin with, try and compile your project. One thing you'll notice is that the compiler complains that NULL is undefined. One great addition to Visual C++ .NET is ... http://creativetutors4kids.com/?p=687 Now that you've added the member variables, its time to add some member functions. Right-click the CHelloNETForm class again, but this time select Add, Add Function. Enter void as the return type, InitForm as the function name, and an access level of protected. Click Finish to close the dialog. The last ... http://creativetutors4kids.com/?p=685