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 that implements an interface – IDropTarget in this case – and then...
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'sF...
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...
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 OnInitDialog...
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...
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...
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; ...
bgracanvas2d.pas(1135,46) Error: Incompatible type for arg no. 1: Got “{Open} Array Of TPointF”, expected “{Open} Array Of TPointF” bgrapen.pas(761,10) Hint: Found declaration: ComputeWidePolylinePoints(const {Open} Array Of TPointF;Single;TBGRAPixel;TFPPenEndCap;TFPPenJoinStyle...
and when you copy this code to other function it will throw an error (at least it does on my 7.2 version). Its CreateFile and GetSystemPath that are buggy in some way. For example If you have this: hFile :THandle; Buffer: array [0 .. 4095] of Char; ...
In this study, we aimed to develop a theory that outlines the hypothetical causal pathway of ACP in nursing homes, i.e. which changes are expected and how, through which processes and under what circumstances. This serves as a first step in the development of an ACP intervention for the nu...