March 28, 1997

Question: I want to be able to filter records in a table based on criteria in, say, three combo boxes on a form. Answer: If you have indexes on those

Question: Do you know how to create a flat, non-3D combo box with only a thin black border? Setting CTL3D to False doesn’t seem to have an effect on the

Question: 1. I developed an application, but after running for about one hour, a message error: “Insufficient memory to do the operation” occurred. The error did not cause the application

Question: I have two questions:Question 1:How can I extend the painting functionality of a TWinControl like the TGraphicControl‘s Paint method? Question 2:I cannot find the Paint method in TWinControl to

Question: I need to be able to move the caret in my memo field back to the begining of the field. Any idea how I do this? Answer: Try this:Memo1.SelStart(0);This

Question: I am using a DBgrid. I have defined two NEW Persistent fields as lookupfields. In the Columns editor, I added them to the grid display. Those two fields are

Question: I need to change sound volumes (wave, midi, cd,line-in etc..) in Win95. How can I do it?Any Win32API functions I should call? Answer: I haven’t used this unit to

Question: How can I call the operator= of the base class from the operator=in the derived class?The data member in the base class is a private data member. I want

Question: I am currently trying to convert three components to ActiveX components. I am doing this through Delphi 3, which I realize some people do not have access to.I need