In order to receive such objects we have to make our application into a "drop target" that is recognised by Windows. We do this using COM (or OLE) drag and drop. As is usual with COM, we have to create an object
Following sample demonstrates how to update several records from Dept table simultaneously using parameter of PL/SQL Table type. Here is SQL statement used at our sample: DECLARE i INTEGER; BEGIN i:= 1; FOR rec IN (SELECT DeptNo FROM Scott.Dept WHERE RowNum <= 10 ORDER BY DeptNo) LOOP...
In the realm of higher education, e-learning has emerged as a game-changer, reshaping the way students engage with their studies. The purpose of this study
Effective audits should reliably identify such gaps and facilitate corrective actions to close the gaps, thus reducing decoupling. Conversely, audits would “fail” in this fundamental purpose if they cannot diminish decoupling, resulting in an ongoing gap between expectations of artefact performance and...
Also you must declare Bit1 in your dialog class. Otherwise it will be destroyed when your click event handler ends. Try using CImage instead: #include <atlimage.h> #include <Gdiplusimaging.h> class CYourDlg : public CDialog { public: CYourDlg CImage m_Bit1; ... virtual BOOL OnInit...
As before we assume that we have a Delphi VCL application that will use it's main form to receive notifications of clipboard changes. Here's an outline of the required code. To register the main form window as a clipboard viewer we call theSetClipboardViewerAPI function in the application's...
Is there a Telegram messenger component for use in Delphi? The first step will be to download theWebsocketscomponents suite ofESEGECEherein order to use theirTsgcTDLib_Telegramcomponent. Declare a new Telegram application To be allowed to connect to theTelegram Messengercloud, you will need an AP...
It should be emphasized that the response to treatments, especially intravenous immunoglobulin (IVIg), is of great value for the confirmation of ITP diagnosis. As an immune-mediated disorder, a large proportion of patients with ITP will undergo repeated outbreaks and tend to run a protracted course...
The code in this article has been tested with Delphi 4 and Delphi 7. There are subtle differences in behaviour between the two versions of the compiler that we need to take into account. These differences will be flagged up in the text. The code has not been tested with Delphi 5 or 6...
I'm translating some legacy stuff from another language to Delphi/Pascal. It has several arrays of variable sizes. I can't figure out how the function is declared. Codewise, I have Code: type CustomTable = record m_kind: integer; m_value: integer; m_name: array[1..16] of char; ...