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選擇已選擇的攝影機

取得已選定的攝影機

				
					{"blocks":"<xml xmlns=\"https://developers.google.com/blockly/xml\"><block type=\"Camera_getSelectedCameras\"/></xml>"}
				
			

這積木是用作顯示已選定的攝影機的畫面。

參數:N/A

輸出:螢幕項目
示例代碼:

這程式是用作取得已選定的攝影機。

				
					{"blocks":"<xml xmlns=\"https://developers.google.com/blockly/xml\"><block type=\"variables_set\"><field name=\"VAR\">selectedCameras</field><value name=\"VALUE\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"Camera_getSelectedCameras\"/></value></block></xml>"}
				
			
				
					{"blocks":"<xml xmlns=\"https://developers.google.com/blockly/xml\"><variables><variable>mainLayout</variable><variable>mainScreen</variable><variable>cameraLayout</variable><variable>cameraControl</variable><variable>selectedCameras</variable><variable>recentlySelectedCameras</variable><variable>recentlyUnselectedCameras</variable><variable>value2</variable><variable>cameraResultLayout</variable><variable>resultTextBlock</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=\"Camera_enableCameraFeature\"><value name=\"enable\"><shadow type=\"logic_boolean\"><field name=\"BOOL\">TRUE</field></shadow></value><next><block type=\"variables_set\"><field name=\"VAR\">cameraLayout</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\">cameraControl</field><value name=\"VALUE\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"Camera_getCameraControl\"/></value><next><block type=\"variables_set\"><field name=\"VAR\">selectedCameras</field><value name=\"VALUE\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"Camera_getSelectedCameras\"/></value><next><block type=\"Control_OptionList_setMultiple\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">cameraControl</field></block></value><value name=\"isMultiple\"><shadow type=\"logic_boolean\"><field name=\"BOOL\">TRUE</field></shadow></value><next><block type=\"ScreenItem_Layout_add\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">cameraLayout</field></block></value><value name=\"item\"><block type=\"variables_get\"><field name=\"VAR\">cameraControl</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\">cameraLayout</field></block></value><next><block type=\"Camera_setOnCameraControlChanged\"><value name=\"HANDLER_DRAG_PARAM_selectedCameras\"><shadow type=\"variables_get_reporter\"><field name=\"VAR\">selectedCameras</field></shadow></value><value name=\"HANDLER_DRAG_PARAM_recentlySelectedCameras\"><shadow type=\"variables_get_reporter\"><field name=\"VAR\">recentlySelectedCameras</field></shadow></value><value name=\"HANDLER_DRAG_PARAM_recentlyUnselectedCameras\"><shadow type=\"variables_get_reporter\"><field name=\"VAR\">recentlyUnselectedCameras</field></shadow></value><statement name=\"HANDLER\"><block type=\"pxt_controls_for_of\"><value name=\"VAR\"><shadow type=\"variables_get_reporter\"><field name=\"VAR\">value2</field></shadow></value><value name=\"LIST\"><block type=\"variables_get\"><field name=\"VAR\">recentlySelectedCameras</field></block></value><statement name=\"DO\"><block type=\"variables_set\"><field name=\"VAR\">cameraResultLayout</field><value name=\"VALUE\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"ScreenItem_createLayout\"/></value><next><block type=\"ScreenItem_Layout_add\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">cameraResultLayout</field></block></value><value name=\"item\"><block type=\"variables_get\"><field name=\"VAR\">value2</field></block></value><next><block type=\"variables_set\"><field name=\"VAR\">resultTextBlock</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=\"ScreenItem_Layout_add\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">cameraResultLayout</field></block></value><value name=\"item\"><block type=\"variables_get\"><field name=\"VAR\">resultTextBlock</field></block></value><next><block type=\"ScreenItem_Layout_add\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">cameraLayout</field></block></value><value name=\"item\"><block type=\"variables_get\"><field name=\"VAR\">cameraResultLayout</field></block></value></block></next></block></next></block></next></block></next></block></statement></block></statement></block></next></block></next></block></next></block></next></block></next></block></next></block></next></block></next></block></next></block></statement></block></xml>"}
				
			

當選擇第一個攝影機時的輸出結果:

當選擇第三個攝影機時的輸出結果:

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