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How can I create a new control that is derived from CGXMaskControl? I want to extend the mask character set and modify the behavior.
Here are some steps how you can subclass CGXMaskControl:
- Derive class from CGXMaskData. Make sure to insert DECLARE_DYNCREATE in the class declaration.
- Override the IsCharValid() and IsMaskChar() member functions.
- When registering the mask control in OnInitialUpdate(), pass runtime class information for your CGXMaskData derivative to the CGXMaskControl constructor.
|RegisterControl(GX_IDS_CTRL_MASKEDIT, new CGXMaskControl(this, GX_IDS_CTRL_MASKEDIT, RUNTIME_CLASS(CMyMaskData)));|
The IsCharValid() is the method that let's you validate and adjust individual characters.
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