Testing a showed a result, the datagridview available now, but the interface card, would use the 5000 grid, there is no other way to

CodePudding user response:

Alternatively, gdi drawing line make it controls

CodePudding user response:

https://ask.csdn.net/questions/770812
His paintings, similar to the effect

CodePudding user response:

Can only be redrawn 1 second