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This represents the parent window. 开始学习
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Calls the button's callback, and returns what that function returns. Has no effect if the button is disabled or there is no callback. 开始学习
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Background color when the button is under the cursor. For button 开始学习
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Foreground color when the button is under the cursor. 开始学习
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Border width in pixels. Default is 2. 开始学习
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Function or method to be called when the button is clicked. 开始学习
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For entry: A procedure to be called every time the user changes the state of this checkbutton.
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Normal foreground (text) color. 开始学习
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Text font to be used for the button's label. 开始学习
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Height of the button in text lines (for textual buttons) or pixels (for images). 开始学习
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The color of the focus highlight when the widget has focus. 开始学习
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Nowhere works.
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Image to be displayed on the button (instead of text). 开始学习
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How to show multiple text lines: LEFT to left-justify each line or RIGHT to right-justify. CENTER to center them. 开始学习
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Additional padding left and right of the text. 开始学习
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Additional padding above and below the text. 开始学习
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Relief specifies the type of the border. Some of the values are SUNKEN, RAISED, GROOVE, and RIDGE. 开始学习
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Set this option to DISABLED to gray out the button and make it unresponsive. Has the value ACTIVE when the mouse is over it. Default is NORMAL. 开始学习
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Default is -1, meaning that no character of the text on the button will be underlined. If nonnegative, the corresponding text character will be underlined. 开始学习
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Width of the button in letters (if displaying text) or pixels (if displaying an image). 开始学习
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If this value is set to a positive number, the text lines will be wrapped to fit within this length. 开始学习
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If you set this option to a cursor name (arrow, dot etc.), the mouse cursor will change to that pattern when it is over the checkbutton. 开始学习
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! By default, if you select text within an Entry widget, it is automatically exported to the clipboard. To avoid this exportation, use exportselection = 0 开始学习
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The background color to use displaying selected text. 开始学习
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The width of the border to use around selected text. The default is one pixel. 开始学习
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The foreground (text) color of selected text. 开始学习
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Normally, the characters that the user types appear in the entry. To make a. password. entry that echoes each character as an asterisk, set show = "*". 开始学习
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If you expect that users will often enter more text than the onscreen size of the widget, you can link your entry widget to a scrollbar. 开始学习
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Deletes characters from the widget, starting with the one at index first, up to but not including the character at position last. If the second argument is omitted, only the single character at position first is deleted. 开始学习
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delete (first, last = None)
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Returns the entry's current text as a string. 开始学习
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Set the insertion cursor just before the character at the given index. 开始学习
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Shift the contents of the entry so that the character at the given index is the leftmost visible character. Has no effect if the text fits entirely within the entry. 开始学习
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Inserts string s before the character at the given index. 开始学习
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This method is used to make sure that the selection includes the character at the specified index. 开始学习
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Clears the selection. If there isn't currently a selection, has no effect. 开始学习
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Sets the ANCHOR index position to the character selected by index, and selects that character. 开始学习
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If there is a selection, returns true, else returns false. 开始学习
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Set direction = LEFT to display the menu to the left of the button; use direction = RIGHT to display the menu to the right of the button; or use direction = 'above' to place the menu above the button 开始学习
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The foreground color shown on this menubutton when it is disabled. 开始学习
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To associate the menubutton with a set of choices, set this option to the Menu object containing those choices. That menu object must have been created by passing the associated menubutton to the constructor as its first argument. 开始学习
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