Rif.: difference between GetCtrlBitmap and GetCtrlDisplayBitmap

[lomed]

What is the difference between the functions

GetCtrlBitmap() and GetCtrlDisplayBitmap()?

If it matters, this would be using CVI 8.5.

Many thanks.

[RobertoBozzolo]

With GetCtrlDisplayBitmap you can obtain a screenshot image of any control and store it in a bitmap object.

On the other hand, with GetCtrlBitmap you can retrieve an image that is stored inside particular controls like picture controls, picture rings and so on.

[lomed]

Thanks for your reply, Roberto, but I still don't understand.

What is the difference between a screenshot image of a control and

an image stored inside a control?

[RobertoBozzolo · Accepted solution]

A picture control can have an image inside it. A numeric or graph control cannot.

With GetCtrlBitmap you can retrieve the image which is loaded inside a picture control and only this one (without control frame, up-down arrows and other details); with GetCtrlDisplayBitmap you can obtain a copy of the complete control even if the control does not have a bitmap in it (e.g. a numeric complete with up-down arrows, radix sign and so on; a graph or stripchart, for which you copy also scale aspect and so on).