wxPython | wx.ToolBar 中的 GetToolsCount()函数
在本文中,我们将学习与 wxPython 中的 wx.ToolBar 类关联的 GetToolsCount()函数。 GetToolsCount()函数只返回工具栏中工具的数量。 GetToolsCount()函数不带参数。
Syntax :
Parameters :
Return Type:
代码示例 1:
wx.ToolBar.GetToolsCount(self)
输出 :
窗户:
打印输出:
No parameters are required in GetToolsCount() function.
代码示例 2:
int
输出 :
窗户:
打印输出:
import wx
class Example(wx.Frame):
def __init__(self, *args, **kwargs):
super(Example, self).__init__(*args, **kwargs)
self.InitUI()
def InitUI(self):
self.count = 5
self.locale = wx.Locale(wx.LANGUAGE_ENGLISH)
self.toolbar = self.CreateToolBar()
tundo = self.toolbar.AddTool(wx.ID_UNDO, '', wx.Bitmap('right.png'))
tredo = self.toolbar.AddTool(wx.ID_REDO, '', wx.Bitmap('wrong.png'))
self.toolbar.Realize()
self.Bind(wx.EVT_TOOL, self.OnUndo, tundo)
self.Bind(wx.EVT_TOOL, self.OnRedo, tredo)
print(self.ToolBar.GetToolsCount())
self.SetSize((350, 250))
self.SetTitle('Undo redo')
self.Centre()
def OnUndo(self, e):
if self.count > 1 and self.count <= 5:
self.count = self.count - 1
if self.count == 1:
self.toolbar.EnableTool(wx.ID_UNDO, False)
if self.count == 4:
self.toolbar.EnableTool(wx.ID_REDO, True)
def OnRedo(self, e):
if self.count < 5 and self.count >= 1:
self.count = self.count + 1
if self.count == 5:
self.toolbar.EnableTool(wx.ID_REDO, False)
if self.count == 2:
self.toolbar.EnableTool(wx.ID_UNDO, True)
def OnQuit(self, e):
self.Close()
def main():
app = wx.App()
ex = Example(None)
ex.Show()
app.MainLoop()
if __name__ == '__main__':
main()