reogrid在显示20多万条的时候就不显示了

[yuyangyang886]

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Description

A clear and concise description of what the bug is.

To Reproduce

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Screenshots

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Edition

Which edition of ReoGrid do you using?

• Windows Form
• WPF

Environment

• OS: [e.g. Windows 10]
• Language of OS: English