Delphi Open Form Times "corrupt Portfolio Stream"

Today in the opening of a Delphi form times has made such a mistake:

Corrupt Portfolio Stream

Checked, mainly due to the Delphi form of *.DDP file corruption caused.

WORKAROUND: Delete the. ddp file and reopen the form.

Sometimes not, this time with Notepad to open the. dfm file, usually the form is stored in text format, if found to be binary code, then the probably form file is also broken, this time delete the form file, the *.~DFM backup file changed to name *.DFM, and then you can.

About *.DDP file,

Delphi Diagram Portfolio (*.DDP) files contain documentation diagrams created with Diagram tab near the bottom right Corne R of the Editor window. For more information, click the "about the Diagram page" of Delphi Help topic.