Add customized button to grid toolbar

For Sigma grid 2.2, developer can make his/her own button on the grid tool bar, just like a native button.

Developers have three steps to place photos into grid cells. Firstly, developers need to declare a button style

Secondly, developers need to register this button.

Finally, developers need to specify the button position/order in the tool bar.

Related Links

User defined cell renderer - Hyper link cell - Long text in cell