Third day of internship delphi Study

Powerful pascal code

Delphi code

Suddenly we found that pascal's functions are quite powerful.

Example 1:

Allows you to zoom in, zoom out, and exit the interface.

The following code is run:

Example 2:

Small Program for statistical characters

Source code generated

// Code analysis var stringLength: integer; // declare the variable type begin stringLength: = edit1.GetTextLen; // obtain the string length edit2.Text = inttostr (stringLength) in edit1 ); // convert the number into a string and bring it to the end of edit2;

Example 3:

Example program after class

Code for implementing the Program

Example 4:

Simple price calculation tool

Code attached:

Chapter 2

In pascal, the data type is

Integer Data Integer Cardinal

Real data uses Real