The result of the expression is always 'true' since a value of type 'DateTime' is never equal to 'null' of type 'DateTime?'

This call site is reachable on all platforms. 'Font' is only supported on: 'windows'. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)

This call site is reachable on all platforms. 'Graphics.MeasureString(string?, Font)' is only supported on: 'windows'. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)

This call site is reachable on all platforms. 'FontStyle.Bold' is only supported on: 'windows'. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)

This call site is reachable on all platforms. 'Cell.Tag' is only supported on: 'Windows' 7.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)

This call site is reachable on all platforms. 'Grid.this[int, int]' is only supported on: 'Windows' 7.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)

This call site is reachable on all platforms. 'ICell.ColumnSpan' is only supported on: 'Windows' 7.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)

This call site is reachable on all platforms. 'CustomScrollControl.VScrollBar' is only supported on: 'Windows' 7.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)

This call site is reachable on all platforms. 'Grid.Columns' is only supported on: 'Windows' 7.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)

This call site is reachable on all platforms. 'Grid.this[int, int]' is only supported on: 'Windows' 7.0 and later. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)