MakeQRBarcode output of BMP images, sometimes in pb picture controls showed no, need to use drawing software save BMP can be identified, the problem cannot be solved in the component, so want to achieve in the code to save into real BMP format, any good idea? Explain, I still want to own picture display control controls, pb is shown in the pictures, can be showed in vb,

CodePudding user response:

Changing MakeQRBarcode output file format to JPG, too

CodePudding user response:

reference 1st floor netghost007 response:

change MakeQRBarcode output file format to JPG, as well as

Doubt is another format, it is recommended that you find a DLL, the file format conversion, should be ok

CodePudding user response:

Eldest brother, know what DLL can realize image format conversion? They couldn't find any useful information,

CodePudding user response:

reference netghost007 reply: 3/f

eldest brother, know what DLL can realize image format conversion? Baidu did not find any useful information,

Written in C or Delphi a yourself, very simple,

CodePudding user response:

Can be said about the principle of?

CodePudding user response:

Online to find the way,
http://www.2cto.com/kf/200609/12878.html

CodePudding user response:

Ask the webmaster, you invoke the c # DLLS in the pb by oleobject way? Like c # can't write export function, if it is ok to can be declared as external function call is more convenient,

CodePudding user response:

Parameters of the last value to 5 is ok

CodePudding user response:

PicConvert. DLL

CodePudding user response:

Indeed as foxqilong say, as long as the mark parameter value of the last from 3 to 5, the generated qr code can safely shown in the picture control, also need not transformation format,