GraphOnLeftDown

Help Contents GUI programming Graphs GraphOnLeftDown
GraphOnKeyUp GraphOnRightDown

GraphOnLeftDown agraph commands

This command sets the Logo event handler for a mouse left button down event of the Graph window agraph.

Example: 

g=(Graph GraphCurrent
	wxFull_Repaint_on_Resize
	[100 100][200 150])
GraphOnLeftDown g [PenDown]
GraphOnLeftUp g [PenUp]
GraphOnMotion g [setPosXYZ MousePos  updateGraph]

Reference:

GraphOnKeyUp GraphOnRightDown