文檔
當輸入變更時發生事件
當InputControl變更時
{"blocks":"<xml xmlns=\"https://developers.google.com/blockly/xml\"><block type=\"Control_ChangeableInputControl_onInputChanged\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">inputControl</field></block></value></block></xml>"}
這積木是用作當用家輸入後，並按下鍵盤上的enter鍵時，它會進行一些動作。
參數：螢幕項目（輸入控制）
輸出： N/A
示例代碼：
當用家在文字框內輸入並按下enter鍵，程式會顯示你所輸入的文字。
{"blocks":"<xml xmlns=\"https://developers.google.com/blockly/xml\"><block type=\"Control_ChangeableInputControl_onInputChanged\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">inputControl</field></block></value><statement name=\"HANDLER\"><block type=\"Control_TextBlock_setContent\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">createOutput</field></block></value><value name=\"content\"><block type=\"Control_ChangeableInputControl_getInputValue\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">inputControl</field></block></value></block></value></block></statement></block></xml>"}
{"blocks":"<xml xmlns=\"https://developers.google.com/blockly/xml\"><variables><variable>mainLayout</variable><variable>mainScreen</variable><variable>inputControl</variable><variable>createOutput</variable><variable>youWrote</variable></variables><block type=\"pxt-on-start\" x=\"0\" y=\"0\"><statement name=\"HANDLER\"><block type=\"variables_set\"><field name=\"VAR\">mainLayout</field><value name=\"VALUE\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"ScreenItem_createLayout\"/></value><next><block type=\"variables_set\"><field name=\"VAR\">mainScreen</field><value name=\"VALUE\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"Screen_create\"><value name=\"label\"><shadow type=\"text\"><field name=\"TEXT\">Main</field></shadow></value><value name=\"layout\"><block type=\"variables_get\"><field name=\"VAR\">mainLayout</field></block></value></block></value><next><block type=\"variables_set\"><field name=\"VAR\">inputControl</field><value name=\"VALUE\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"Control_createTextInput\"><field name=\"type\">TextInputType.Text</field></block></value><next><block type=\"variables_set\"><field name=\"VAR\">createOutput</field><value name=\"VALUE\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"Control_createTextBlock\"><mutation xmlns=\"http://www.w3.org/1999/xhtml\" _expanded=\"0\" _input_init=\"false\"></mutation></block></value><next><block type=\"variables_set\"><field name=\"VAR\">youWrote</field><value name=\"VALUE\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"Control_createTextBlock\"><mutation xmlns=\"http://www.w3.org/1999/xhtml\" _expanded=\"1\" _input_init=\"true\"></mutation><value name=\"text\"><shadow type=\"text\"><field name=\"TEXT\">You wrote:</field></shadow></value></block></value><next><block type=\"ScreenItem_Layout_add\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">mainLayout</field></block></value><value name=\"item\"><block type=\"variables_get\"><field name=\"VAR\">inputControl</field></block></value><next><block type=\"ScreenItem_Layout_add\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">mainLayout</field></block></value><value name=\"item\"><block type=\"variables_get\"><field name=\"VAR\">youWrote</field></block></value><next><block type=\"ScreenItem_Layout_add\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">mainLayout</field></block></value><value name=\"item\"><block type=\"variables_get\"><field name=\"VAR\">createOutput</field></block></value><next><block type=\"Control_ChangeableInputControl_onInputChanged\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">inputControl</field></block></value><statement name=\"HANDLER\"><block type=\"Control_TextBlock_setContent\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">createOutput</field></block></value><value name=\"content\"><block type=\"Control_ChangeableInputControl_getInputValue\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">inputControl</field></block></value></block></value></block></statement></block></next></block></next></block></next></block></next></block></next></block></next></block></next></block></next></block></statement></block></xml>"}
當沒有輸入任何文字時的輸出結果：
當輸入了文字並按下enter鍵時的輸出結果：
