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1, the static method is the default type of method, the compiler knows the address of these methods, as it does with the usual processes and functions, so when a static method is invoked it can statically link the running information to the

This example effect chart: Code files: unit Unit1; interface uses 　 Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, 　 Dialogs, DIB, StdCtrls; type 　 TForm1 = class(TForm) 　　 DXPaintBox1: TDXPaintBox; 　　 Button1:

This example effect chart: Code files: Unit Unit1;InterfaceUsesWindows, Messages, sysutils, variants, Classes, Graphics, Controls, Forms,Dialogs, DIB, Stdctrls;TypeTForm1 = Class

This example effect chart: Code files: Unit Unit1;InterfaceUsesWindows, Messages, sysutils, variants, Classes, Graphics, Controls, Forms,Dialogs, DIB, Stdctrls;TypeTForm1 = Class

This example effect chart: Code files: Unit Unit1;InterfaceUsesWindows, Messages, sysutils, variants, Classes, Graphics, Controls, Forms,Dialogs, DIB, Stdctrls;TypeTForm1 = Class

This example effect chart: Code files: unit Unit1; interface uses 　 Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, 　 Dialogs, DIB, StdCtrls; type 　 TForm1 = class(TForm) 　　 DXPaintBox1: TDXPaintBox; 　　 Button1:

This example effect chart: Code files: Unit Unit1;InterfaceUsesWindows, Messages, sysutils, variants, Classes, Graphics, Controls, Forms,Dialogs, DIB, Stdctrls;TypeTForm1 = Class

1.5.4 Use engineering templates and application specialists Delphi's Engineering model provides pre-designed engineering as a starting point for application development. The application expert allows the user to create an application in a certain

1.5.3 using Form Templates and dialog box experts In the previous routines, we created a simple about box. In many applications, this dialog box is used to make informational prompts or to represent version information. Delphi's design idea is that

1.5.2 using Project manager project manager As the number of forms increases, the tracking form and the library unit code associated with it become cumbersome. Project manager, which is provided with Delphi, can make managing various windows more

1.5.1.1 Create a routine that contains the About box As an example, we first create an application with a main form and a simple about box: Create a new project in Delphi and add a button widget to the empty window. We use it as the main form to

1.4.3.4 PrintDialog and Printsetupdiaog Print dialog box PrintDialog and Print Setup dialog box Printsetupdialog can display standard Print, Print Setup dialog box, support print file and print Setup function, set its Options property to specify

5.3 Image Objects Overview 5.3.1 Tgraphic Object The Tgraphic object is the base class of the Tbitmap, Ticon,tmetafile object. If you know the exact type of the image (such as a bitmap, icon metafile), you should store the image in the appropriate

When drawing a straight line, the user can only see the line when the mouse is released, and the changes to the line cannot be observed in real time. This is because the mouse is moving when the program does not do some kind of response. Delphi

In the "About" dialog box of many programs, we can often see "HYPERLINK" tags, only a little bit, you can immediately start the e-mail program to write to the author, or start the browser to view a home page, or remote login, or automatically linked

This example effect chart: Code files: unit Unit1; interface uses 　 Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, 　 Dialogs, DIB, StdCtrls; type 　 TForm1 = class(TForm) 　　 DXPaintBox1: TDXPaintBox; 　　 Button1:

This example effect chart: Code files: unit Unit1; interface uses 　 Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, 　 Dialogs, DIB, StdCtrls; type 　 TForm1 = class(TForm) 　　 DXPaintBox1: TDXPaintBox; 　　 Button1:

This example effect chart: Code files: unit Unit1; interface uses 　 Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, 　 Dialogs, DIB, StdCtrls; type 　 TForm1 = class(TForm) 　　 DXPaintBox1: TDXPaintBox; 　　 Button1:

This example effect chart: Code files: unit Unit1; interface uses 　 Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, 　 Dialogs, DIB, StdCtrls; type 　 TForm1 = class(TForm) 　　 DXPaintBox1: TDXPaintBox; 　　 Button1:

When you've worked hard with Delphi to do a program that you think is pretty good, do you want to publish it as a shareware? As a shared software, the registration code is definitely not necessary, you can determine whether the program is