Shift+Click a control in the toolbox to lock it and a new control is added for every click on the form.
As a former Borland Delphi developer, I miss a simpel function in the VS IDE.
In Delphi you are able to [Shift]+Click a control in the ToolBox and this control is now locked so that you can place several controls on the form, simply by clicking the form.
This makes it very easy to place a lot of similar controls, like labels or textboxes, on the form.
The control is released by clicking an arrow icon afterwards.
bohuang [MSFT] commented
I use copy/paste to workaround this issue. basically just copy a button on the form, and paste a few times and then move around the new controls.