"Object is currently in use elsewhere" error for picturebox "Parameter is not valid" - new Bitmap() "Recursive write lock acquisitions not allowed in this mode.? "Settings" in DLL project properties and app.config file "The function evaluation requires all threads to run" while accessing mus...
I have a main window and a few child windows. If I click a button on the main window, I must set the text of Static Text on the child windows.I have tried to cast it to CWnd but it still don't work. this was done on the OnInitDialog :...
To create such a section, click the button "Grab screen" in the main menu of program, after that "Capture an object " window (Picture 4) opens. Picture 4 — Capture an object window Next, choose the application and capture it by pressing the PrtScr (Print Screen) or Ctrl + left-click...
89display of form. 90Any ideas on how to stop this?} 91Self.Visible:=True; 92Application.Minimize; 93end 94else 95Self.WindowState:=TWindowState(State); 96finally 97Reg.Free; 98end; 99end; Listing 1 Worked Example A demo project that demonstrates what we've described in this article can...
To display the bitmap we need only handle theOnCustomDrawevent. In this example we will tile a bitmap in the display. To tile the bitmap we have to calculate the list view's background area and offset the bitmap to allow for any scrolling and the size of any header. Much of the ...
It is possible to display the Footer Only on the last page of the report. You just need to go for a simple trick ;) 1. Choose the Binding Property of the Report Footer 2. Choose the Visible Property from the Opened Dialog Box 3. Write an expression as its value, h...
"Object is currently in use elsewhere" error for picturebox "Parameter is not valid" - new Bitmap() "Recursive write lock acquisitions not allowed in this mode.? "Settings" in DLL project properties and app.config file "The function evaluation requires all threads to run" while accessing...
"Object is currently in use elsewhere" error for picturebox "Parameter is not valid" - new Bitmap() "Recursive write lock acquisitions not allowed in this mode.? "Settings" in DLL project properties and app.config file "The function evaluation requires all threads to run" while accessing mus...
It is often useful to know when the clipboard's contents have changed. For example you may wish to enable or disable aPastebutton on a toolbar according to whether the clipboard contains data in a format supported by your application or not. Alternatively you may wish to display details of...
and therefore, by default, the TMemoField connected to the MEMO database field is called "DBTableData". By assigningDBTableData.AsStringto theTextparameter of the OnGetText event, we tell Delphi to display ALL