How to reference the dll file to the vs environment, and then add it to the toolbar to call, thank you! ! !

wxfchncn

How to reference the dll file to the vs environment, and then add it to the toolbar to call, thank you! ! !
I hope to be more detailed

摩羯可乐

Are you talking about controls?

苹果小刀

Right-click the solution-"Add reference -" select your dll file OK

摩羯可乐

If it’s a control, click on the toolbar, add an item, select your dll, and you’re OK

sardis1985

Right-click in the toolbox and select -> select items and then select browse to find your dll file and add it

sirius998877

Add is added, but an error occurs as soon as it runs!