(3)切换到Object Inspector,从Object Inspector选取ScratchPad的主窗体MainForm; (4)切换到Object Inspector的Events页面,双击OnCreate事件,此时会显示Code Editor,在Code Editor中输入代码: procedure TMainForm.FormCreate(Sender: TObject); begin Application.OnHint := MyOnHint; end; (5)编译并运行程序,当鼠标...
(3)切换到Object Inspector,从Object Inspector选取ScratchPad的主窗体MainForm; (4)切换到Object Inspector的Events页面,双击OnCreate事件,此时会显示Code Editor,在Code Editor中输入代码: 1 2 3 4 procedureTMainForm.FormCreate(Sender: TObject); begin Application.OnHint := MyOnHint; end; (5)编译并运行程...
如果在StringList里面进行排序并查找,可以用下面的方法: procedure TForm1.FormCreate(Sender: TObject); var MyList: TStringList; Index: Integer; begin MyList := TStringList.Create; try MyList.Add('Animals'); MyList.Add('Flowers'); MyList.Add('Cars'); MyList.Sort; { Find will only work...
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Another problem is exporting methods from a DLL. There are basically two ways: the first one "flattens" the C++ class into a set of C functions, which all take an object as first parameter; the second one uses virtual, abstract methods. ...
Code procedureTForm1.FormCreate(Sender:TObject);varbutton:TButton;beginbutton:=TButton.Create(Form1);//creates an instance of TButton//sets the coordinates of the button, where the button should appear on the formbutton.Top:=StringGrid1.Height+10;button.Left:=10;button.Visible:=true;//sets...
When to parallelize the code? Most common problems Never access UI from a background thread Simultaneous reading and writing Sharing a variable Synchronization Critical sections Other locking mechanisms A short note on coding style Shared data with built-in locking Interlocked operations Object life cycl...
In the class EMVCException the property HTTPErrorCode has been renamed in HTTPStatusCode. ⚡ Functional Actions In addition to the classic procedure based actions, now it's possibile to use functions as actions. The Result variable is automatically rendered and, if it is an object, its memor...
Code Issues Pull requests PascalUtils is an object library for delphi and FreePascal of data structures that implements syntactic sugar similar to that of other modern languages as far as syntax allows.delphi pascal freepascal data-structures fpc delphi-library pascal-library delphi10 pascalutils ...
To register the main form window insert the following code into your main form'sOnCreateevent handler: 1procedureTMainForm.FormCreate(Sender:TObject); 2begin 3// ... other code 4AddClipboardFormatListener(Handle); 5// ... other code ...