Articles about "nil and assigned"
Delphi "problem": TForm.Create(?) Nil, Self or Application?
Should you use "nil", "self" or "Application"? Find here... ... parent vs. owner · delphi forms · object oriented programming in delphi · nil and assigned ...
http://delphi.about.com/od/adptips2005/qt/nilselfapp.htm
How to clear the graphics in a TImage Delphi control
timage · delphi graphics · canvas drawing · nil and assigned ... There are many ways to assign an image for the TImage component: a TPicture's method ...
http://delphi.about.com/od/adptips2005/qt/cleartimage.htm
How to Enumerate Web Browser Windows and Retrieve Document Info ...
twebbrowser · internet programming · programmatically controlling browsers · nil and assigned ... if ShellWindowDisp = nil then Continue; ShellWindowDisp. ...
http://delphi.about.com/od/internetintranet/a/webbrowserenum.htm
Is there an Image in the TImage Delphi Control?
How to check if a TImage Delphi control has an image assigned. ... If you want to clear the TImage (at run-time), you asign NIL to the Picture property. ...
http://delphi.about.com/od/adptips2006/qt/timageempty.htm
How to move the mouse cursor to the focused control when the form ...
if focusControl = nil then begin focusControl := Controls[0]; ... The code first checks if the ActiveControl for the Form is assigned. ...
http://delphi.about.com/od/adptips2005/qt/movemouse.htm
Get the full HTML from the TWebBrowser Delphi component
if Assigned(WebBrowser1.Document) then begin iall := (WebBrowser1.Document AS IHTMLDocument2).body; while iall.parentElement <> nil do begin iall := iall. ...
http://delphi.about.com/od/adptips2005/qt/webbrowserhtml.htm
How to Use a Function or a Procedure as a Parameter in another ...
If you expect "nil" to be specified as the "f" parameter, you should test for this using the Assigned function. Fixing the "Incompatible type: 'method ...
http://delphi.about.com/od/adptips2006/qt/functionasparam.htm
How to Hide / Show the Main Menu of a Delphi Application
tmainmenu · menu programming · user interface design · nil and assigned ... To assign a menu for a form, drop a TMainMenu on it (let's say it has ...
http://delphi.about.com/od/delphitips2007/qt/mainmenuhide.htm
Understanding and Preventing Memory Leaks in Delphi Applications
object oriented programming in delphi · nil and assigned ... a Delphi component and explicitly free it sometime later, always pass nil as the owner. ...
http://delphi.about.com/od/oopindelphi/a/memoryleak.htm
How to check if a document in a TWebBrowser is located on a local ...
twebbrowser · internet programming · programmatically controlling browsers · nil and assigned · (Continued from Page 4). If you need to know the location of ...
http://delphi.about.com/od/adptips2004/a/bltip1204_5.htm
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