vb ide can coding on the break mode, but vb .net can not.
dubug run key
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- run/start (F5)
- run step (F11)
- run setp not enter in the sub (F10)
- 中斷點 (Ctrol +B)
- stop run ( Ctrol+Alt+Break)
windows
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* command (命令)
-one samll vb commnad line
- ? variableabc (use ? in vb.net instead of print in vb)
* call stack ( 呼叫堆疊)
*Watch window (監看視窗)
-add new watch
*breakpoint
- Breakpoint/ filter/ condition, edit by right click
*output
- Debug.writeline("print every msg in line")
- Debug.write("all the msg will connect in one line")
- Debug.writelineif (Variable >0 , "this variable is bigger than 0")
- debug.assert (true, "assert means if the condition is true, it will not show")
- debug.assert (false, "so this line will be shown by the dialog box")
*auto window(自動變數)
- view all now automatically variable
*local window(區域變數)
- view all local variable
Try
Debug.WriteLine("Codes Area....")
Dim intOverflow As Integer = 1234567890
Dim intA As Integer = 0
Dim intB As Integer = 0
intA = intA / intB
Catch eh As DivideByZeroException
Debug.WriteLine("Catch Area: Divide By Zero Error")
Catch eh As OverflowException
Debug.WriteLine("Catch Area:Overflow Error")
Finally
Debug.WriteLine("Finally Area")
End Try
[Private|public] [sub|function] Example() [as VarialbeType]
[b]On error Goto [/b] [i]Label[/i]
'your codes
Exit [Sub|Function]
Label:
'exception handeling
[Resume|Resume Next|Resume LineNubmer|Err.Raise]
End [Sub|Function]
-resume means resume to the error happening codes and keep running
- resume next runs from the next code line
- resume label run from the label
- err.raise number:=number using code to the upper level error handling
