Introduction to GDI+ in .NET

Add proto - logic diagram displays to your Java, C++, and .NET applications, for the desktop and rich internet applications.

VC++ MFC Example: Sharing file folders using tree control drag & drop

VC++ Example: Change the background color of a dialog, CDialog, OnCtlColor

VC++ MFC Example: Adding VBScript and JScript support in your C++ applications

Date-Time Edit Control A simple masked date-time editor. VC++ Article Source Code and GetWindowText

VC++ MFC Project Setting, Unicode, MBCS,_MBCS or _UNICODE, wWinMainCRTStartup

E-XD++ GDI VC++ Drawing Example: Draw Animate Line with CBrush

VC++ Example: splitter control in dialog UpdateWindow GetWindowRect GetDlgItem

Visual C++ 2008 Feature Pack: MFC Visual Studio Office 2007 Style Enhancements

OLE DB Sample, Database, Atldbcli.h,CoInitialize, MoveNext Visual C++ Example

CDialogBar, CBitmapButton in Dialog Bar, SubclassDlgItem and EnableDocking VC++ Example

CEdit-derived Hyper link control, so user can edit hyper links

Create MFC VC++ Static Library, UpdateData and LoadIcon

VC++ MFC Example: Create or show Progress Bar/Edit Control/Combobox Control/icon in a status bar

MFC Sample: Add status bar to an MFC dialog, CStatusBar

Create VC++ MFC Chart Control,  Drawing and Priint Bar Chart, Source Codes

UML Diagram Component / Drawing C++ Source Code Solution from ucancode, it will save you 50% - 80% time for building any UML based application.

MFC Sample Code: Load and Display PNG Image File

VC++ Example Capture Print Screen to Clipboard including dropdown menu, SetWindowsHookEx and UnhookWindowsHookEx, with RegisterWindowMessage

_TrackMouseEvent, GetWindow, GetWindowRect, SubclassWindow, GetWindowLong, SetWindowLong, Drawing, VC++, source code

Full Screen with CWnd and Diagram Like Microsoft Visio 2007

MFC Multiple Page Print preview Article and CPrintPreviewState, it with CPrintPreview and DoPrintPreview, LPDEVMODE and GetPrinterDeviceDefaults

MFC Example: Rows of CToolBar and CToolBarCtrl, with CalcDynamicLayout, with SetRows CBRS_ALIGN_TOP , CBRS_SIZE_DYNAMIC and FloatControlBar

VC++ Article Draw Rotate / slant text strings SetWorldTransform

C# Example: Free Draw .NET GDI+ Gauge Control with Source Code

VC++ Grid Control Library Source Code Based on CListCtrl

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Add table editing, drawing, printing capability to your word process applications within a few minutes, more...  August 15, 2008 UCanCode Dynamic Graphics and Real-Time Process Simulator Solution UCanCode E-XD++ Diagrammer is a premier provider of Dynamic Graphics, Data Visualization, Human-Machine Interface (HMI) and Real-Time Mapping Solutions for software developers around the world. Its products are used to visualize and control real-time and mission-critical processes in a variety of industries, more... September 07, 2008 UCanCode SVG Import and Graphics Edit Print Render Solution UCanCode E-XD++ Component graphicsd diagram solution is a Source Code based framework for advanced vector graphics editor, with capabilities similar to Illustrator, CorelDraw, or Xara X, supporting import the W3C standard Scalable Vector Graphics (SVG) file format. The full VC++ Source Codes of SVG import feature will be shipped., more... July 24, 2008 Telecom Datacom map process flow Solution from ucancode The UCanCode E-XD++ Component Enterprise Edition product family provides a complete set of display components for user interface developers building telecom or datacom applications.Cut development time by 50% while delivering industry-standard look-and-feel that helps operators make rapid, accurate decisions., more... June 04, 2008 Real-time gauge dashboard diagram solution from ucancode Monitor your critical real-time data using gauge and digital panel representations. UCanCode Gauges is a set of VC++ Soure Code Library that allow developers to quickly and effectively integrate gauges into their desktop and web-based applications. UCanCode Gauges includes full C++ source codes based Radial gauge, Linear gauge, Digital Meter and Marquee Panel components optimized for real-time with realistic look and adaptive styles for your environment, more... July 30, 2008 UCanCode Diagram Editor from ucancode UCanCode E-XD++ Diagrammer offers a powerful set of tool to help developers quickly and efficiently create diagrams and process flow. It provides a very professional diagram editor to automate application production without coding. This diagram editor tools address the different aspects of producing appropriate content-based diagram and flowchart displays, more... May 27, 2008 Gis / Map Draw, Display Diagram Component C++ Source Code Library Solution from ucancode The UCanCode E-XD++ Component Enterprise Edition product family enables you to develop Gis / Map based visualization applications quickly and efficiently. Map Displays with Custom Objects for .net and C++ Developers E-XD++ provides a complete mapping drawing, display, printing, software development kit (SDK) for creating any .net or C++ displays applications quickly and easily, more... UCanCode Graph Display, drawing, Layout solution from ucancode The E-XD++ Component Enterprise Edition product family enables you to develop graph visualization applications quickly and efficiently. With this component, you can easily enhance your applications with advance graph display, viewing and editing, xml loading, graph printing technologies support. You can customize both the display and the interactive behaviors of your application using ucancode leading industry standard components , more... UCanCode Home & Office Plan Drawing and Design solution from ucancode Each time when you want to create your own building design and office plan software, you should consider to use E-XD++ Diagram Component, it is the best component with almost all the features of Microsoft Visio 2007 and SmartDraw. 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UML Diagram Component / Drawing C++ Source Code Solution from ucancode   E-XD++ Enterprise Edition Suite is a 100% C++ based diagram Component, it's UML Diagram Solution contains almost all the features of building a high-quality UML Application, as a UML modeling tool component, it helps you to quickly and easily build any kind of applications that has all varieties of UML diagrams. Developers save 50 to 80 percent of development time when creating displays with ucancode Visualization, more... BPMN Diagram Component / Drawing Source Code Solution from ucancode Business Process Modeling Notation (BPMN) is the standard for modeling business processes and web service processes. BPMN is a core enabler of Business Process Management (BPM), a new initiative in enterprise architecture. UCanCode Software provides rich and core components for Business Process Modeling Notation (BPMN). It includes workflows diagram designer, E-Form Designer, and BPMN Diagram Designer, more... Label Print and Report Print Component Source Code from ucancode  With E-XD++ Component, you can add advanced printing functionality to your applications. The E-XD++ Library is a 100% C++ data rendering and visualization system, built specifically for Visual Studio .NET and designed to bring your User Interface to the printed page. Now you only need a few days for building a very powerful label print or report print application, more... Proto - Logic Diagram Component Source Code from ucancode Add proto - logic diagram displays to your Java, C++, and .NET applications, for the desktop and rich internet applications. More... 2008, E-XD++ Flow Diagram Kit Enterprise Edition 2008 Volume 1 Released, this is a maintenance release that includes improved drawing performance, tons of new features, new samples, bug fixes and more. See the full list of changes here.

1.        Start Microsoft Visual Studio .NET 2003 and create a new Visual C++ Console Application (.NET) project named Structs. File menu → Project... submenu. Type the project name in the Name: field. Adjust the project location in Location: if needed. Leave the Solution name as given (by default it is same as project name).

Figure 1: Invoking the new project window.

Figure 2: The new project window, selecting Console Application (.NET)

2.        Open the Structs.cpp, the main project file. At the top of the Structs.cpp file, immediately under using namespace System;, add the following structure definition:

// The Point structure definition

__value struct Point

{

    public:

        int x, y;

};

Figure 3: The Solution Explorer window

Figure 4: Adding a structure to the main project file

The __value and struct keywords start a structure definition, and you’ll notice that structures look very similar to classes in the way they are defined. The body of the structure is enclosed in braces and finishes with a semicolon, and the public and private keywords are used to set the access level for structure members. Notice the use of the __value keyword here. This keyword tells the compiler that this is a value type and not a traditional C++ structure. It’s important that you remember to use __value when defining your structures. This simple structure represents a point on a graph, so it has two integer data members representing the x and y coordinates.

3.        To create and initialize a Point object, add the following lines to the _tmain function of your application. Notice the _tmain instead of main used in VC++ 2003. _tmain will compiled to wide character (wmain) or ANSI (main) and it is visible in VC++ 2003 only because in VC++ 2005 the main is default to wide character or Unicode.

// TODO: Please replace the sample code below with your own.

// Create a Point

Point p1;  // use the default constructor

// Initialize its members

p1.x = 10;

p1.y = 20;

Replacing the Console::WriteLine(S"Hello World");

Figure 5: Creating and initializing Point object.

Notice that the code doesn’t use the new (new syntax uses gcnew) operator. The new operator is used to create references to objects, and value types aren’t accessed by reference. Instead, a Point has been created on the program stack instead of the heap, and you access it directly as p1. Because the data members are public at this point, you can access them using the familiar dot notation.

4.        Add two lines to print out the value of one of the struct members, like this:

Console::Write(S"p1.x is ");

Console::WriteLine(p1.x);

Figure 6: Printing out the structure member.

5.        Compile and run the program at this point, you should see the output p1.x is 10. To build, select the Build menu → Build Solution submenu and to run select Debug → Start Without Debugging submenu as shown below. You can use the buttons or short cut menu as well.

Figure 7: Building a solution.

Figure 8: Running a program without debugging.

Figure 9: A program console output.

6.        Let do some more work. Add the following two lines immediately after the public declaration in your Point structure definition.

Point() { x = 0; y = 0; }

Point(int xVal, int yVal) { x = xVal; y = yVal; }

Figure 10: Adding a user defined constructor.

The first constructor takes no arguments and simply sets both data members to 0. A constructor that takes no arguments is called a default constructor. The second constructor takes two int values and uses them to initialize the x and y data members. In this case, the arguments are simply being copied into the data members, but it would be simple to add some checking to ensure that the data passed in is correct. Anyone who has used C++ before will be familiar with the use of default arguments on constructors. You can’t use default arguments on managed types in Visual C++, so you need to provide an explicit default constructor.

7.        You can now add extra code to your _tmain function to create and initialized Points. Edit the _tmain by entering the following codes.

Point p1;  // use the default constructor

Point p2(10,20);     // use the second constructor to set x

                     // to 10 and y to 20

Figure 11: Creating and initializing another Point object.

8.        Add the following code to see the effect. Notice the using of the string modifier "L" instead of "S" as used in the old C++ syntax. L is for Unicode (optionally used in the new C++ .Net) and the S is for managed string (only used in old C++ .Net).

Console::Write(S"p1.y is ");

Console::WriteLine(p1.y);

Console::Write(S"p2.x is ");

Console::WriteLine(p2.x);

Console::Write(S"p2.y is ");

Console::WriteLine(p2.y);

Figure 12: Adding codes to display values.

9.        Finally, compile and run your program and the following output should be expected.

Figure 13: A sample console application program output.