Retreiving WMF object and saving it to a file

[Dhemaius]

Hi,
I'm using Labwindows/CVI 6.0 and I'm doing some testing for a print process.

Where I get stuck is after retreiving an image object of form WMF with ControlImage or GraphImages I can't find a way to save it to a .wmf file (which would be suitable for my app) or directly print it.

I must say I do not have much experience handling that kind of thing.

Francis
Tech R&D
Vulcain Alarme Inc.

[Chris Matthews]

There isn't native CVI functions for dealing with this. If you are trying to print an ActiveX control through CVI, you can just use the CVI PrintCtrl function. It supports ActiveX controls. If you want to save it an image of the ActiveX control to a file you can call GetCtrlDisplayBitmap, then SaveBitmapToFile from the Programmer's Toolbox like:

GetCtrlDisplayBitmap (panel, PANEL_CWGRAPH, 0, &hBitmap);
SaveBitmapToFile ("c:\\test.bmp", hBitmap);


You can deal with the metafile in CVI instead, but you would have to use SDK programming and it would be much more difficult. Post back if you have more questions.

Best Regards,

Chris Matthews
National Instruments

[daniel kh]

Hi I have CVI 5.0 and I don't think I have SaveBitmapToFile() in my programmer's toolbox. Is there anyway to download the newer version ?

[Chris Matthews]

No, sorry, we added it in CVI 5.5. You would need to upgrade to get the function. You can upgrade on our website at http://www.ni.com/upgrade.

Chris