There are too many characters in the selection for the edit text window.
所选内容中有无法用文字编辑窗口编辑的字符。
Getting this property returns the number of characters in the current selection.
取得这个属性会传回目前选取范围中的字元数。
Getting this property returns the number of characters in the current selection.
取得这个属性会传回目前选取范围中的字元数。
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