The diagram below, click the mouse, in a Static position, can appear the following error, how should solve?

CodePudding user response:

CodePudding user response:

CodePudding user response:

Pointer exception, you first take a look at variable is correct

CodePudding user response:

Collapsed in the pop-up dialog box, press the corresponding button to enter debugging press Alt + 7 key to view the Call Stack, namely "the Call Stack" from the inside to the following out of from the inner to outer function Call history, double-click a row to the cursor to the Call of the source code or assembly instruction, don't understand when double click on the next line, until we can read ,