LoginFilter.Filter(String, Int32, Int32, ISpanned, Int32, Int32) Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
This method is called when the buffer is going to replace the
range dstart … dend of dest
with the new text from the range start … end
of source.
public string? Filter(string? source, int start, int end, Android.Text.ISpanned? dest, int dstart, int dend);member this.Filter : string * int * int * Android.Text.ISpanned * int * int -> stringParameters
- source
- String
The string that contains the proposed replacement.
- start
- Int32
The first source character index in the proposed replacement.
- end
- Int32
The exclusive end index of the proposed source range.
- dest
- ISpanned
The current text in the destination buffer.
- dstart
- Int32
The first destination character offset being replaced.
- dend
- Int32
The exclusive end offset of the replaced destination range.
Returns
The replacement with rejected characters removed, or null to accept the original replacement unchanged.
Remarks
This method is called when the buffer is going to replace the range dstart … dend of dest with the new text from the range start … end of source. Returns the CharSequence that we want placed there instead, including an empty string if appropriate, or null to accept the original replacement. Be careful to not to reject 0-length replacements, as this is what happens when you delete text.
Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.