Winforms UI Best practices: Form.AutoValidate = EnableAllowFocusChange

Set on every form: Form.AutoValidate = EnableAllowFocusChange

 

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image Figure: Form.AutoValidate = EnablePreventFocusChange, prevents you from leaving your textbox until your data entry is correct

 

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image Figure: Form.AutoValidate = EnableAllowFocusChange with Errorproviders tell you bad data entry, but let you change to other controls

3 comments:

Anonymous said...

dham, this should be default!

Anonymous said...

For users who enter data only with the keyboard and change fields with TAB, the first solution is better because the cursor stays on the non correct textbox.

Dominique

ds4h said...

And here I was digging why focus was locked on that particular listbox... Well, now I know.

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