combobox

问题 In a ComboBox, we can jump to an item by typing its first few letters. This is when IsTextSearchEnabled property is set, which by default is true. I have a custom ComboBox with images in the beginning, followed by a short text. icon1 + Violet icon2 + Red icon3 + Blue If I type "r", I expect to navigate to the Red item in the dropdown. However, because of an icon in the beginning, the IsTextSearchEnabled property does not behave as expected. How can I make this work? For example, in MyDropdown

问题 I have a combobox that feeds from a mysql request. The problem if the result has space seems wrong If i have in mysql: test1 in my combobox i have test1 = OK test 2 in my combobox i have {test 2} = Wrong #FRAME INFO frame_info = LabelFrame (Product, text = 'Info Maker',height=240,width=1000) frame_info.place (x=220, y=10) combo_maker = ttk.Combobox(frame_info,state="readonly") #combo_maker['value'] = combo_input() combo_maker['value'] = combo_input() combo_maker.current(0) combo_maker.place(x

问题 I have two Comboboxes on a from: txtKategorie and txtTyp. The values for the frist Combobox (txtKategorie) are fix! I want the values of the second Combobox (txtTyp) to change according to what the user chooses in the first one. If the user chooses "Datalogger" the second combobox should only contain "Base Layer Classic" and "Base Layer Plus" as can be seen in the image. The same idea is true for "Accelerometer". I've put my code in the AfterUpdate Event of the first Combobox: If txtKategorie

问题 I'd like to create a comboBox in visual studio 2019 as presented as shown, How can I extract the images from the ChartType ComboBox and show list of ChartType in my ComboBox with the images? 回答1: To get the images you need to extract them from the embedded resources within the compiled .Net assembly. You will need to add using System.Resources; to your using statements. Get the manifest stream System.Windows.Forms.DataVisualization.Charting.Design.resources from the assembly containing the

问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 2 years ago . Improve this question i'd like to find out, which CheckBoxes are checked and which are unchecked by one method. Furthermore, i'd like to find out how can i add label in ChomboBox, E.G. there are numbers to choose, and from 1-9 there is heading "weak",from 10-20 there is heading

问题 Question... How can I toggle the visibility of several other fields (checkboxes/textboxes) on form based upon the selection of a combobox item. The image below shows a listbox but either way, how do use vba code to turn on or off visibility of all the fields in the grey box. Basically, if the combobox selection is scheduled then visible=true. Else visible=false How can I code this??? 回答1: Use combobox AfterUpdate event and probably form Current event as well. So build a procedure that can be

问题 This time I am stuck with another PowerShell GUI challenge. I have a Form that contains two different comboboxes (combobox1 and combobox2) What I want to do is: The first combobox to show a list of all the clients that I have and the second combobox to show all the different mailboxes that are available for the client that has been selected on the first combobox. Once again I don't know how to do it so I am asking you guys for advise. I managed to show a list of all the clients on the first

问题 I'm trying to trace a variable using a ComboBox Widget. When I change the ComboBox value I get the following error: AttributeError: 'StringVar' object has no attribute '_report_exception' What am I doing wrong? import tkinter as tk from tkinter import ttk, StringVar class TEST(tk.Frame): def __init__(self, parent): tk.Frame.__init__(self, parent) self.parent = parent self.estvalue = StringVar() self.pestanas = ttk.Notebook(self.parent) self.geometria = ttk.Frame(self.pestanas) self.viento =

问题 I'm trying to trace a variable using a ComboBox Widget. When I change the ComboBox value I get the following error: AttributeError: 'StringVar' object has no attribute '_report_exception' What am I doing wrong? import tkinter as tk from tkinter import ttk, StringVar class TEST(tk.Frame): def __init__(self, parent): tk.Frame.__init__(self, parent) self.parent = parent self.estvalue = StringVar() self.pestanas = ttk.Notebook(self.parent) self.geometria = ttk.Frame(self.pestanas) self.viento =

问题 currently I have a combobox with three hard coded items. Each item carries 2 values. I'm using a switch case statement to get the values for each item depending on which item is selected. Switch(combobox.selectedindex) { case 0: // Item 1 in combobox a = 100; b = 0.1; break; case 1: // Item 2 in combobox a = 300; b = 0.5; break; //and so on.... } I'm trying to add a feature to allow the user to add more items into the combobox with inputted a and b values. How would i be able to dynamically