I wrote a small component based on TGraphicControl. For some reason however, it receives messages of the entire parent form, even if you click outside the control itself. What can I do about that? Should I base my component on another ancestor type? I considered using TWinControl, but this doesn't have a Canvas property, and I haven't got a clue on how to draw/paint a control without Canvas.
The uses clause is one of those things that just tends to grow and grow.
Most of the time this is in the main form, as it's from this form that all others are called.
If you have a big application (including many forms),
the uses clause in the in…
This Article will show you how to validate number with TEdit control,
What's the TEdit control?
TEdit is a standard Windows edit control on a form, it allows to user to write, read and copy/paste single line of text.
Two types of users will appreciate AOMEI Backupper Pro:
1 - Those with PCIe drives (and haven't found cloning software that works on them).
2 - Those who want a fast clone of their boot drive (no re-boots needed) and it can clone your drive wh…
Although Jacob Bernoulli (1654-1705) has been credited as the creator of "Binomial Distribution Table", Gottfried Leibniz (1646-1716) did his dissertation on the subject in 1666; Leibniz you may recall is the co-inventor of "Calculus" and beat Isaac…